CLASS REPTILIA. 



Lin. Sel. Vipera et Echidna caerulescens. Mer. Vip. 

 moderans and Boa elegans, Daud. Coluber glaucus, Gni. 



Xiphes dorsale, and X. ornatum, Wag. Xip. Merrem. 



Corallus obt\isirostris, Daud. accidental deformity. 



Body much compressed^ heeled ; head obliquely cut heJmid 

 and truncated in fronts covered v^i^h sizall shields in 

 front ; siih-caudal plates simple. Cenchris, Gray^ Engy- 

 rus, Wagler. India. 



Cenchris regia, Boa regia, Shaw. Boa carinata, Merrem. 



Wetter, Amer. t. 9. Cenchris ocellata, Boa ocellata, 



Oppel. Boa carinata, Var. C. Mer. 



Body fusiform; head covered with scales; muzzle with 

 small plates ; sub-caudal plates^ two rowed. Python. Asia. 



a. Labial scales with deep pits, dorsal scales rhombic. Con- 

 strictor, Wagler. 



Python Schneideri, Mer. Boa reticulata and Boa rhom- 

 beata, Schn. Python Javanicus, Kuhl. Seba, t. 62. Col. 



Javanicus, Shaw. Python Poda, Boie, Pedda Poda. 



Russel. t. 23. Col. boaformis, Sh. Python Tigris, Daud. 



Python bivittatus, Kuhl. Col. Seboe, Lin. Python 



amethystina, Schn.^ Boa orbiculata, Schn. Bora, Russel, 



t. 39. 



a. Labial scales equal, flat. Python, Wagler. 



Python Peronii, Cuv. Wag. Python punctatus, Mer. K. H. 



Body fusiform ; head covered with keeled scales like the 

 back ; tail short ; sub-caudal plates simple ; spurs dis- 

 tinct. Gongylophis, Wagler, Boa, part Cuv. Asia. 



Boa conica, Schn. Boa ornata, Daud. Boa viperina, Shaw. 

 Padani Cootoo, Russel, t. 4. Mus. Brit. 



Body cylindrical ; head covered like the back with small 



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