List of Half-tone Illustrations 



PLATE FACING PAGB 



cvi. RINGED SNAKE, Opbibolus doliatus gentilis. From 



Nebraska ....... 340 



MEXICAN RINGED SNAKE, Opbibolus micropbolis 340 

 (Old Example). Adult Examples are a Rich, 

 Golden-brown, with Obscure, Darker Brown 

 Blotches. The Food Consists Mostly of Small 



Birds and Rodents . . . . . . 340 



cvii. ARIZONA KING SNAKE; RINGED SNAKE, Opbibolus 



%onatus. From Arizona . . . 341 



ARIZONA RINGED SNAKE; KING SNAKE, Opbibolus 



fonatus. From California . . . -34' 



SAY'S KING SNAKE, Opbibolus getulus sayi . . 341 



cviii. COMMON KING SNAKE; CHAIN SNAKE, Opbibolus get- 

 ulus. A notoriously cannibalistic reptile . 348 

 BOYLE'S KING SNAKE, Opbibolus getulus boylii . 348 

 cix. HEADS OF MISCELLANEOUS HARMLESS SERPENTS 349 

 ex. RAINBOW SNAKE, Abastor erytbrogrammus . . 368 

 RED-BELLIED SNAKE, Paranoia abacura . . . 368 

 cxi. WORM SNAKE, Carphopbis amcenus . . . 369 

 SCARLET SNAKE, Cemophora coccinea . . . 369 

 LECONTE'S SNAKE, Rbinocbilus lecontei . . 369 

 cxii. HEADS OF THE HOG-NOSED SNAKES . . . 376 

 cxiii. COMMON HOG-NOSED SNAKE, Heterodon platyrbinus 377 

 RLA.CK.HoG-NOSEDS>NAK.E,Heterodonplatyrhinus niger 377 

 cxiv. SOUTHERN HOG-NOSED SNAKE, Heterodon simus . 384 

 cxv. WESTERN HOG-NOSED SNAKE, Heterodon nasicus . 385 

 cxvi. CROWNED SNAKE, Tantilla coronata . . 400 

 MITER SNAKE, Tantilla gracilis . . . 400 

 cxvii. ANNULATED SNAKE, Sibon septentrionale . .401 

 HEAD OF HARLEQUIN SNAKE, Elaps fulvius . '. 401 

 HEAD OF SONORA CORAL SNAKE, E. euryxantbus . 401 

 cxix. HEADS OF SERPENTS ...... 416 



cxx. HEAD OF RATTLESNAKE ..... 417 



SKULL OF A PIT VIPER, SHOWING DEVELOPING FANGS 417 

 cxxi. COPPERHEAD SNAKE, Ancistrodon contortrix (Com- 

 mon Phase) . . . . . .418 



COPPERHEAD SNAKE, Ancistrodon contortrix (Texas 



Phase) 418 



xxxi 



