Contents 



CHAPTEP 



XXXIV. 



XXXV. 



XXXVI. 



xxxvn. 



XXXVIII. 



XXXIX. 



XL. 



XLI. 



XLII. 



The Green Snakes 



Representatives of the Genera Cyclophis and 

 Liopeltis — Small Serpents that arc of a 

 Uniform, Pale Green Above, and thus 

 Characteristic Among North American 

 Snakes .... . . 322 



Small, Miscellaneous Smooth-scaled Ser- 

 pents; Genera Hypsiglena, Stilosoma, Rhadi- 

 nea, and Coniia ...... 327 



The Ring-necked Snakes; Genus Diadophis 

 Small, Smooth-scaled Serpents with Char- 

 acteristic Markings .... 333 



The King Snakes; Genus Ophibolus 

 Smooth-scaled Constricting Serpents of Small, 

 Medium and Large Size, which Derive the 

 Popular Title from their Habit of Killing 

 and Eating Both Harmless and Venomous 

 Snakes ...... 339 



The Rainbow Snakes 



Large and Brilliantly Coloured, Burrowing 

 Serpents, of the Genera Ahastor and 

 Farancia ...... 365 



The Sharp-nosed Snakes; Genera Carpho- 

 phis, Ficimia, Chihmieniscus, Cemophora, and 

 Rhinochilus 



Small, Burrowing Species, with Smooth Scales 369 

 The Hog-nosed Snakes; Genus Heterodon 

 Three North American Species that are Inter- 

 esting from their Peculiar Form and 



Habits 377 



The Opisthoglyph Snakes OF North America 



A Division of Mildly Poisonous Serpents, with 



Grooved Fangs in the Rear of the Upper 



Jaw — The Many Species Occur in Both the 



Eastern and the Western Hemispheres 386 



The Elapine Poisonous Snakes; Sub-family 



Elapince 



A Large Sub-family of the Colubridcp.Emhradng 

 the Old World Cobras and their Allies, 

 xix 



