Ltet of Half-tone Illustration* 



FACING PAOB 



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

 Example of the Useful, Rat-eating Snakes 



Genus Coluber ...... 302 



xcvi. CORN SNAKE, Coluber guttatus .... 33 



SMOOTH-SCALED COLUBER, Rbinecbis elegans . -33 



xcvii. HEADS OF SMOOTH-SCALED COLUBER, Rbinecbis 



elegans, Arizona . . . 304 

 PINE SNAKE, Pituopbis melanoleucus, New Jersey 



Phase. . . . 304 



PINE SNAKE, Pituopbis melanoleucus. Florida Phase. 304 



BULL SNAKE, Pituopbis calender. 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 astivus . . 321 



SMOOTH-SCALED GREEN SNAKE, Liopeltis vernalis 321 



ci. ROCK SNAKE, Hypsiglena ocbrorbyncba . . 322 



PACIFIC BROWN SNAKE, Contia mitis . . . 322 



cii. EASTERN RING-NECKED SNAKE, Diadopbis punctaius 323 



WESTERN RING-NECKED SNAKE, Diadopbis amabilis 323 



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



New York . . ... 334 



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

 BROWN KING SNAKE, 0. rbombomaculatus, 



Virginia ....... 334 



COMMON KING SNAKE, O. getulus, Florida . . 334 

 BOYLE'S KING SNAKE, 0. getulus boylii, Cali- 



fornia. . . . . . . 334 



ARIZONA KING SNAKE, O. {onatus, Arizona . . 334 



civ. BROWN KING SNAKE, Opbibolus rbombomaculatus. 



(Young Adult) .... 335 



BROWN KING SNAKE, Opbibolus rbombomaculatus 335 



XXX 



