The natural history of fishes, amphibians, & reptiles, or monocardian animals . double. furcatus. Russ. ii. pi. 19. Platurus Lat, Head indistinct; body cylindrical;dorsal scales equal; tail compressed_, carinated; sub-caudal plates double. P. laticaudatus. Shaw, Zool. ii. 233. Trimesurus Lat. Head distinct; body fusiform ; tail conical; caudal plates partly single^ partly double. T. leptocephalus. Lac. Ann. Mus. iv. pi. 56. f. 1. Oplocephalus Cuv. Like the last, but the caudal platesall simple. O. Cuvieri Gray. Family 3. COLUBERID^. Lower jaw mobile ; upper jaw toothed; fangs eitherentirely wa
The natural history of fishes, amphibians, & reptiles, or monocardian animals . double. furcatus. Russ. ii. pi. 19. Platurus Lat, Head indistinct; body cylindrical;dorsal scales equal; tail compressed_, carinated; sub-caudal plates double. P. laticaudatus. Shaw, Zool. ii. 233. Trimesurus Lat. Head distinct; body fusiform ; tail conical; caudal plates partly single^ partly double. T. leptocephalus. Lac. Ann. Mus. iv. pi. 56. f. 1. Oplocephalus Cuv. Like the last, but the caudal platesall simple. O. Cuvieri Gray. Family 3. COLUBERID^. Lower jaw mobile ; upper jaw toothed; fangs eitherentirely wanting, or very small.* Coluber. Ventral plates broad; anal spurs none ;? tail in general much lengthened, attenuated, andsimple. * In a natural arrangement of this order, I am inclined to believe thatthe whole of the poisonous or fanged snakes will be transferred to the lastfamily. 364 CLASSIFICATION OF REPTILES. Coluber Linn. ( g. 118.) Body sub-cylindrical; scalesequal; nose rounded; head moderate, with plates on thecrown, those beneath the tail either single or C. natrix Linn. Nasicornis. {fig. 118.) Heterodon. {Jig. 1190 General structure of the last, butthe nose is acute and recurved.
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Keywords: ., bookcentury1800, booksubj, booksubjectfishes, booksubjectreptiles
