List of Half-tone Illustrations 



PLATB PACING PAGE 



xcv. EMORY'S COLUBER, Coluber emoryi. A Powerful 



Example of the Useful, Rat-eating Snakes- 

 Genus Coluber . . . . 300 



xcvi. CORN SNAKE, Coluber guttatus . 301 



SMOOTH-SCALED COLUBER, Rbinecbis elegans 301 



xcvii. HEADS OF SMOOTH-SCALED COLUBER, Rbinechis 



elegans, Arizona . 304 

 PINE SNAKE, Pituopbis melanoleucus, New Jersey 



Phase. 304 



PINE SNAKE, Pituopbis melanoleucus. Florida Phase. 304 



BULL SNAKE, Pituopbis catenifer. California. . 304 



xcviii. COMMON PINE SNAKE, Pituopbis melanoleucus . 305 

 PINE SNAKE, Pituopbis melanoleucus Southern 



Phase . . 305 



xcix. COMMON BULL SNAKE, Pituopbis sayi. Largest of the 



North American Serpents. . . . 320 



PACIFIC BULL SNAKE, Pituopbis catenifer . . 320 



c. KEELED GREEN SNAKE, Cyclopbis cestivus . 321 



SMOOTH-SCALED GREEN SNAKE, Liopeltis vernalis 321 



ci. ROCK SNAKE, Hypsiglena ochrorbyncba . . 322 



PACIFIC BROWN SNAKE, Contia mitis . . . 322 



cii. EASTERN RING-NECKED SNAKE, Diadopbis punctatus 323 



WESTERN RING-NECKED SNAKE, Diadopbis amabilis 323 



ciii. HEADS OF MILK SN\KE, Opbibolus doliatustriangulus, 



New York 334 



RED MILK SNAKE, 0. d. clericus, Virginia . 334 

 BROWN KING SNAKE, 0. rbombomaculatus, 



Virginia 334 

 COMMON KING SNAKE, 0. getulus, Florida . 334 

 BOYLE'S KING SNAKE, O. getulus boylii, Cali- 

 fornia. . 334 

 ARIZONA KING SNAKE, 0. %onatus, Arizona . . 334 



civ. BROWN KING SNAKE, Opbibolus rbombomaculatus. 



(Young Adult) . . 335 



BROWN KING SNAKE, Opbibolus rbombomaculatus 335 



xxx 



