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| Polemon (genus) ： ウィキペディア英語版 |
:''"Miodon" redirects here. The mollusc genus of family Carditidae invalidly described by Carpenter in 1863 has been renamed ''Miodontiscus''.''Polemon''''' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is '''snake-eaters''', for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).
:''"Miodon" redirects here. The mollusc genus of family Carditidae invalidly described by Carpenter in 1863 has been renamed ''Miodontiscus''.
''Polemon'' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.〔
The common name of this genus is snake-eaters, for their habit of feeding mainly on smaller snakes.
==Description==
The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial.
This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),〔Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253).〕 or double (divided).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「:''"Miodon" redirects here. The mollusc genus of family Carditidae invalidly described by Carpenter in 1863 has been renamed ''Miodontiscus''.'''''Polemon''''' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is '''snake-eaters''', for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).」の詳細全文を読む
'Polemon'' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is '''snake-eaters''', for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).
:''"Miodon" redirects here. The mollusc genus of family Carditidae invalidly described by Carpenter in 1863 has been renamed ''Miodontiscus''.
''Polemon'' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.〔
The common name of this genus is snake-eaters, for their habit of feeding mainly on smaller snakes.
==Description==
The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial.
This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),〔Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253).〕 or double (divided).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「:''"Miodon" redirects here. The mollusc genus of family Carditidae invalidly described by Carpenter in 1863 has been renamed ''Miodontiscus''.'''''Polemon''''' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is '''snake-eaters''', for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).」の詳細全文を読む
' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is snake-eaters, for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).
:''"Miodon" redirects here. The mollusc genus of family Carditidae invalidly described by Carpenter in 1863 has been renamed ''Miodontiscus''.
''Polemon'' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.〔
The common name of this genus is snake-eaters, for their habit of feeding mainly on smaller snakes.
==Description==
The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial.
This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),〔Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253).〕 or double (divided).
抄文引用元・出典: フリー百科事典『 ''Polemon''''' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is '''snake-eaters''', for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).">ウィキペディア（Wikipedia）』
■ウィキペディアで「:''"Miodon" redirects here. The mollusc genus of family Carditidae invalidly described by Carpenter in 1863 has been renamed ''Miodontiscus''.'''''Polemon''''' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is '''snake-eaters''', for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).」の詳細全文を読む
'Polemon'' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is '''snake-eaters''', for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).">ウィキペディア（Wikipedia）』
■ウィキペディアで「:''"Miodon" redirects here. The mollusc genus of family Carditidae invalidly described by Carpenter in 1863 has been renamed ''Miodontiscus''.'''''Polemon''''' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is '''snake-eaters''', for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).」の詳細全文を読む
' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is snake-eaters, for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).">ウィキペディア（Wikipedia）』
■''Polemon''''' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is '''snake-eaters''', for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).">ウィキペディアで「:''"Miodon" redirects here. The mollusc genus of family Carditidae invalidly described by Carpenter in 1863 has been renamed ''Miodontiscus''.'''''Polemon''''' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is '''snake-eaters''', for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).」の詳細全文を読む
'Polemon'' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is '''snake-eaters''', for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).">ウィキペディアで「:''"Miodon" redirects here. The mollusc genus of family Carditidae invalidly described by Carpenter in 1863 has been renamed ''Miodontiscus''.'''''Polemon''''' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is '''snake-eaters''', for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).」の詳細全文を読む
' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is snake-eaters, for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).">ウィキペディアで「:''"Miodon" redirects here. The mollusc genus of family Carditidae invalidly described by Carpenter in 1863 has been renamed ''Miodontiscus''.''Polemon''''' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is '''snake-eaters''', for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).」の詳細全文を読む
'Polemon'' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is '''snake-eaters''', for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).」の詳細全文を読む
' is a genus of rear-fanged venomous snakes endemic to Africa. Thirteen species are recognized.The common name of this genus is snake-eaters, for their habit of feeding mainly on smaller snakes.==Description==The maxillary is very short, with three small teeth, followed, after an interspace, by a very large, grooved fang situated anterior to the eye. The third and fourth mandibular teeth are large and fang-like. The head is small, and not distinct from neck. The eyes are minute, with round pupils. The nostrils are in a divided nasal which does not touch the rostral, the internasal forms a suture with the first upper labial. No loreal is present. The parietal is narrowly in contact with an upper labial. This snake's body is cylindrical, with a very short tail. Dorsal scales are smooth, without apical pits, and are arranged in 15 rows. The ventrals are rounded; the subcaudals are single (entire),Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I.- XXV. (Genus ''Polemon'', p. 253). or double (divided).」の詳細全文を読む
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