Bucephalus capensis Thunberg;S .Africa. . . 17 ( 9) 



Bungarus semif asciatas Kuhl; India,... 29 ( 4) 



Cacocalyx percarinatus Cope; Costa Rica.. 17 ( 2) 

 Calamaria gervaissii Dumeril and 



Bibron; Philippine Islands 13 ( 9) 



Cantoria elapiformis Peters; Siam ....... 21 (15) 



Carphophiops amoena Say;N. America....... 23 ( 6) 



Causus rhombeatus Lichtenstein; 



Central Africa 30 ( 7) 



Cemophora coccinea Blumenbach;Florida ... 17 (11) 



Cerastes aegyptiacus Linnaeus ........... 31 ( 3) 



Ceratophallus vittatus Linnaeus ; Java .... 21 (11) 



Cerberus rhynchops Schneider ; India ...... 21 (14) 



Charina bottae Blainville; Oregon 12 ( 3) 



Chilobothrus striatus Fischer ;Haiti 13 ( 3) 



Chilomeniscus ephippicus Cope;California. 16 (11) 



Chrysopelea ornata Shaw; India 28 ( 9) 



Cladophis kirtlandii Hal lowel 1 ;W. Africa. . 28 (14) 



Clotho rhinocerus Schlegel ;Gaboon ., 31 ( 1) 



Coluber emoryi Baird and Girard ;Texas. .. . 19 ( 3) 



Coluber flavescens Laurenti. ............ . 14 ( 2) 



Compsosoma corais Cuvier; Brazil 15 ( 1) 



Compsosoma poecilostoma Wiedmann; Brazil . . 15 ( 3) 



Compsosoma virgatum Schlegel: Asia 15 ( 2) 



Coniophanes fissidens Gunther; 



Central America... ................... 26 ( 8) 



Conopsis nasus Gunther; Mexico...... 18 ( 2) 



Conphis lineatus Dumeril and Bibron; 



Mexico 26 ( 2) 



Contia episcopa Kennicott; Texas 19 ( 7) 



Contia mitis Baird and Girard ;California 15 ( 8) 

 Cophias alternatus Dumeril and Bibron; 



Braz il .... 31 ( 6) 



Cophias atrox Linnaeus; Nicaragua........ 30 ( 8) 



Coronella girundica Daudin; Italy ....... 18 ( 8) 



Crossanthera melanotropis Cope; 



Costa Rica 15 ( 6) 



Crotalophorus catenatus Rafinesque; 



Michigan . ... ..... 31 ( 8) 



Crotalus basiliscus Cope; Mexico 31 (10) 



Crotalus confluentus Say; Texas 31 (10) 



Crotalus durissus Linnaeus; Brazil 



(young) , 31 (11) 



Crotalus horridus Linnaeus ;Pennsylvania. . 31 ( 9) 



