XIV 



Page 



Genus Cystignathus 60 



Pipa 65 



Sufo 65 



Hyla 66 



Class REPTILIA. 

 Order I. OPHIDIA. 



Section SQUAMATA. 



Family 1. Colubridas. 



Genus Coluber 67 



Tropidonotus 70 



Heterodon 71 



Herpetodryus 71 



Psammophis 71 



Dendrophis 72 



Dipsas 72 



Oxyropus 72 



Eungaris 72 



Ablapis 73 



Coryphodon 73 



Family 2. Boida. 



Genus Tortrix 75 



Gongylophis 75 



Eunectes 75 



Epicrates 76 



Boa 76 



Family 3. Hydrides. 



Genus Hydrus 77 



Pelamis 77 



Hydrophis 77 



