SNAKES. 7' 



Var. 1 . Like the preceding, but the upper and lower lips are 



dark, being very closely and minutely puuctulated. 

 Bothrops affinis, Gray^ Brit. Mus. 1848. 



I. In spirits. Half grown. Berbice. Presented by Lady Essex. 



7W, n. In spirits. Young. Tropical America. 



o. In spirits. Young. Demerafa. Presented by Lieut. Friend, 



K.N. 

 p. In spirits. Young. Tropical America. 



4. The Elegant fer de Lance. Craspedocephalus elegans. 

 Pale brown : back with a central series of oblong spots, and a 



series of small round spots on each side : head brown ; crown with 

 a dark streak on each side of the back of the neck ; temple, side of 

 face, the lips and under part pale, minutely puuctulated ; temporal 

 streak narrow, oblique, extending across the upper half of the series 

 of scales above the hinder upper labial shields. 



a, 6. Inspirits. Adult and young. West coast of (North ?) America ? 

 Presented by Capt. Sir Edward Belcher, C.B., R.N. 



*** Green, v:ith yellow lateral streak. 



5. The Green fer de Lance. Craspedocephalus bilineatus. 

 Trigonocephalus bilineatus, Schlegel, R. S. ii. 540, i. 19,/. 7, 8. 

 Cophias bilineatus, Pr. Max. Beytr. 37, 483. Abbild. v. t. 6. 



Green-brown, varied beneath yellowish, compressed : scale verv 

 small, lanceolate, keeled, with a yellow line on the lower part of 

 each side: lips yellow: temporal streak reddish: upper labial 

 shields 7, the hinder one smaller than the lateral ones. 



Inhab. Brazils. 



2. Trimesurus. 



Scales lanceolate, keeled : hinder labial shields small ; head- 

 scales convex or keeled ; superciliary shield single, half-ovate or 

 linear. Confined to the Old World. Asia. 



Trimesurus, Gray, Zool. Misc. 48, 1842. Trimesurus sp., 

 Lacep. Ann. Mus. iv. Bothrops, Sect. IL, Wagler, Amph. 174, 

 1830. Tropidolaemus, Wagler, Amph. 175, 1830. 



* Second labial plate very high, forming the front of the suborbital 

 pit : back uniform, with a ivhite line on each side. Trimesurus. 



f Superciliary shield half-ovate. 



1. The Green Trimesup.us. Trimesurus viridis, Lacep. Ann. 

 Mus. iv. 19. Gray, Zool. Misc. 48. Cophias viridis, Merrem, 



