List of Half-tone Illustrations 



PLATE PACING PAGE 



cvi. Ringed Snake, Ophibolus doliaius 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 



lonatus. From Arizona .... 341 



Arizona Ringed Snake; King Snake, Ophibolus 



lonatus. From California .... 341 



Sw's Ki'KG StiXKE, Ophibolus getulus sayi 341 

 cviii. CoM.MON King Snake; Chain Snake, Ophibolus gei- 



ulus. A notoriously cannibalistic reptile 348 



Boyle's Ki>iG Snake, Ophibolus gdulus boylii 348 



cix. Heads of Miscellaneous Harmless Serpents 349 



ex. Rainbow Snake, Abastor crythrogrammus 368 



Red-bellied Snake, Farancia abacura . 368 



cxi. Worm Snake, Carphophis amanus 369 



Scarlet Snake, Cemophora coccinea . 369 



LeConte's Snake, Rhinochilus leconiei 369 



cxii. Heads of the Hog-nosed Snakes . 376 



cxiii. Co.M.vioN Hog-nosed Snake, Heterodon platyrhinus 377 



BLACKHoG-r<osEDSNAKe, Heferodonplatyrhinus niger 377 



cxiv. Southern Hog-nosed Snake, /y^/^roi/ow 5/Hn(5 . 384 



cxv. Western Hog-nosed Snake, Heterodon nasicus 385 



cxvi. Crowned Snake, Tanfilla coronata . 400 



Miter Snake, Taniilla gracilis .... 400 



cxvii. Annulated Snake, Sibon septentrionale 401 



Head of Harlequin Snake, Elaps julvius 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 coniortrix — (Com- 

 mon Phase) . . . .418 



Copperhead Snake, Ancistrodon contoririx — (Texas 



Phase) 418 



xxxi 



