List of Half-tone Illustrations 



PLATE FACING PAGE 



cvi. RINGED SNAKE, Ophibolus doliatus gentilis. From 



Nebraska ....... 340 



MEXICAN RINGED SNAKE, Ophibolus micropholis 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, Ophibolus 



^onatus. From Arizona . . . . 341 



ARIZONA RINGED SNAKE; KING SNAKE, Ophibolus 



fonatus. From California . . . -34' 

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

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

 ulus. A notoriously cannibalistic reptile . 348 

 BOYLE'S KING SNAKE, Ophibolus getulus boylii . 348 

 cix. HEADS OF MISCELLANEOUS HARMLESS SERPENTS 349 

 ex. RAINBOW SNAKE, Abaslor erythrogrammus . . 368 

 RED-BELLIED SNAKE, Paranoia abacura , . . 368 

 cxi. WORM SNAKE, Carphophis 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 platyrhinus 377 

 RL\CK\-[oG-'NOSEDSNA.KE,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. euryxanthus . 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 



