379 



AMMODYTES. 



Coluber Ammodytes. C. glauco-fuscus, vitta dorsali dentata 



atra, "verruca nasali erecta. 

 Glaucous-brown Viper, with dentated black dorsal band, and 



upright nasal wart. 



Coluber Ammodytes. Lin. Syst. Nat. p. 376. Aldr. Serp. \6$. 

 Abdominal scuta 142, subcaudal squamae 32. 



THIS species is greatly allied to the Viper in 

 general appearance, but is always distinguished 

 by an erect pointed process on the tip of the 

 snout : its usual colour is either blueish-grey 

 or brown, with a continued black dorsal band 

 resembling that of the Viper. It is found in 

 many parts of the eastern regions, and is used 

 medicinally for the same purposes as the common 

 Viper. It is considered as an extremely poison- 

 ous species, and, according to Matthiolus, proves 

 fatal in the space of three hours. 



CHARASIAN VIPER. 



Coluber Charasii. C. ritfus, naso supra subacuminato, corpore 

 striis brevibus fuscis transversis subcvnfluentibus notato. 



Rufous Viper, with the nose acuminated above, and the body 

 marked with short, subconfluent, dusky transverse streaks. 



La Vipere. Charas. Nov. Exper, t. I. A. A. A. 



THIS species is described by a French author 

 of the name of Charas, who, though well ac- 

 quainted with the anatomy of the animal, and the 



