COLUBKID^E. LXXV. 179 



3. C. vulpinus, (B. & G.) Cope. Fox SNAKE. Light 

 brown, with quadrate, chocolate-colored blotches; verti- 

 cal plate broader than long; scales 25; G. 200 to 210; 

 L. 60. Mass, to Kansas and Northward. 



4. C. emoryi, (B. & G.) Cope. EMORY'S RACER. Ashy 

 gray with transverse brown blotches; vertical plate 

 elongated; 6 or 8 median rows of scales only carinated; 

 scales 29; G. 210 to 220; L. 40 to 50. Ills, to Kansas 

 and Texas. 



9. CYCLOPHIS, Glinther. SUMMER SNAKES. 



Leptophis, B. & G. 



1. C. CBstivus, (L.) Giinther. SUMMER GREEN SNAKE. 

 Head conical, neck very small; bright clear green, yel- 

 lowish below; scales 17; G. 150 to 160; L. 30. Southern, 

 N. to N. J. and Ills., abundant in the mountains; a most 

 exquisite little creature. 



10. LIOPELTIS, Fitzinger. GREEN SNAKES. 

 1. L. vernalis, (DeKay) Jan. GREEN SNAKE. GRASS 

 SNAKE. SPRING SNAKE. Head elongate, neck slender; 

 eyes very large; uniform deep green (bluish in spirits), 

 yellowish below; scales 15; G. 130 to 140; L. 20. E. 

 U. S., chiefly northerly; a beautiful species. 



//. DIADOPHIS, Baird and Girard. RING - NECKED 



SNAKES. 



< Ablabes, D. & B. 



1. D. punctatus, (L.) B. & G. RING -NECKED SNAKE. 

 Head depressed; eye rather large; blue-black above, 

 bright pale orange below (yellowish in spirits); each 

 plate usually with a black spot; yellowish occipital ring 

 conspicuous; scales 15; G. 140 to 160; L. 15. Whole 

 U.S. 



