THE CLASSIFICATION OF THE OPHIDIA. 



219 



Plate XXXI. 



Proteroglypha and Platycerca. 



Dendraspis jamesonii Traill {Dinophis hammondii Hallow.), W Africa. X 



Aeanthophis antaretica Shaw, Australia. X 3. 



Sepedon hamachates Merr., S. Africa, x 3 



Bungarus semifasciatus Kuhl , India. X 3. 



Adeniophis bivirgatus Schl., Siam. X 4. 



HoplocepJialus coronatus Schl., Australia, x 4. 



Elaps corallinus L., Central America, x 3. 



Elaps surmamensis Cuv., Brazil. X 3. 



Vermicella annulata Gray, Australia. X 4. 



Hydrophis hardwiekii Gray, Siam. X 3. 



Plate XXXII. 



Proterogltpha, Platycerca, Solenoglypha. 



Biemenia annulata Buch. & Pet., W. Africa. X 2. 

 Ophiophagus bungarus Schl., Malacca. X 1. 

 Elaps imperator Cope, Ecuador, x 4. 

 Hydrophis stolcesii Gray, Singapore. X f . 

 Hydrus bieolor Shaw, Pacific Ocean, x 3. 

 BracJiycranium eorpulentum Hallow., W. Africa. X 4. 

 Gausus rhombeatus Licht., Centr. Africa, x 3. 

 Cophias alrox L., Nicaragua, x 3. 

 Boihriopsis affinis Boc, Mexico, x 4. 

 Crotalus molossus B. & G., Arizona, x 4. 



Fig. 



Fig. 

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 Fig. 

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 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 



Plate XXXIII 



Solenoglypha. 



Olotho rhinocerus Schl., Gaboon, x f. 

 Vipera aspis L., Italy, x 3. 

 Cerastes cegyptiacus L. X 2. 

 Ancistrodon contortrix L., New York, x 3. 

 Ancistrodon piscivorus L., Florida, x 2. 

 Cophias alternatus J). & B., Brazil. X 2. 

 Ophryacus undulatus Jan., Mexico. X 2. 

 Croialophorus catenatus Raf, Michigan, x 3. 

 Crotalus horridus L., Pennsylvania. X 2. 

 Crotalus basiliscas Cope, Mexico, x 2. 

 Crotalus durissus L., Brazil ; young, x 3. 



Note. — The Anoplophallus maculatus Hallow., of the preceding pages is the Ophites subcinctus of Boie. There 

 are no hypapophyses on the posterior dorsal vertebrae ; hence the species must be arranged with Lycodon, from which 

 it differs in penial characters. 



