BRANSON : SNAKES OF KANSAS. 



407 



DIADOPHIS Baird and Giraed. 



Diadophis Baird and Girard, Cat. N. Amer. Rept., Pt. I, 1853, p. 112; Cope, 

 Bull. U. S. Nat. Mus., No. 32, 1887, pp. 54-80. 



Head normal, distinct from body. Maxillary teeth subequal. 

 Two preoculars. Two nasals. One loreal. Scales smooth, in 

 15-17 rows. Anal divided, 



KEY TO SPECIES. 



Seventeen rows of scales; gastrosteges more than 200 D. regal is. 



Fifteen rows of scales; gastrosteges less than 200 D. punctatus. 



Diadophis regalis Baird and Girard. 

 Amy's Ring-necked snake. 



Diado2)his regalis Baird and Girard, Cat. N. Amer. Rept., Pt. I, Serp,, 1853, 



p. 115. 

 Diadophis regalis regalis and D. regalis arnyi Cope, Check-list N. Amer. 



Batr. Rept., 1875, p. 38. 



Scales smooth, in seventeen rows ; first rows broadest. 

 Frontal subpentagonal, narrow behind. Superciliaries narrow 

 anteriorly. Temporals 1-1. Oculars 2-2. Gastrosteges 200- 

 240. Urosteges 50-75. 



Color above greenish to dark brown. Belly reddish or yel- 

 low with many small black spots. Nuchal collar usually not 

 present. 



One specimen from Kansas is in the National Museum. I 

 have examined two specimens from Riley county. 



Diadophis punctatus Linnaeus. 



Ring-necked Snake. 



Coluber punctatus Linnteus, Syst. Nat., 12th ed., 376. 



Diadophis punctatus, D. occijyitaHs, D. dysopes, Cope, Proc. Acad. Nat. 



Sci. Phila., 1850, p. 250. 

 Diadophis punctatus Baird and Girard, Cat. N. Amer. Rept., Pt. I, Serp.' 



1853, p. 112. 



Fig. 28. 

 Diadophis punctatus Linn. 



