76 STEJNEGER AND BARBOUR, 1917 



Diadophis amyi Kennicott 

 DiadopJiis amyi Kennicott 



Proc. Ac. Nat. Sci. Phila., 1859, p. 99. 

 Diadophis regalis amyi Cope 



Ann. Rep. U. S. Nat. Mus. 1898 (1900), p. 745, fig. 156. 

 TYPE locality: Hyatt, Anderson County, Kansas. 

 RANGE : Ohio, Illinois, Indiana, Kansas, Iowa, Missouri, Arkansas, 

 Oklahoma, and Texas. 



Diadophis punctatus (Linne) 

 Coluber punctatus Linn:6 



Syst. Nat., Ed. 12. Vol. 1, 1766, p. 376. 

 Diadophis punctatus Baird and Girard 



Cat. N. Amer. Rept., Ft. 1, 1853, p. 112. 

 Diadophis punctatus Cope 



Ann. Rep. U. S. Nat. Mus. 1898 (1900), p. 751, fig. 162. 

 TYPE locality: Carolina. 



RANGE : In the east from southeastern Canada to Florida, in the 

 west reaching Michigan also found in Illinois, Ohio and Ten- 

 nessee. 



Diadophis regalis Baird and Girard 

 Diadophis regalis Baird and Girard 



Cat. N. Amer. Rept., Pt. 1, 1853, p. 115. 

 Diadophis regalis Cope 



Ann. Rep. U. S. Nat. Mus. 1898 (1900), p. 744, fig. 155. 

 TYPE locality: Sonora, Mexico. 



range : Texas, New Mexico and Arizona to state of Vera Cruz, 

 Mexico. 



YLeteiodon {G E N U S) 1 



Latreille, Hist. Nat. Rept., Vol. 4, 1802, p. 32 

 type: platirhinos = contortrix 

 HOG-NOSE SNAKES 



Heterodon browni Stejneger 

 Heterodon browni Stejneger 



Proc. Biol. Soc. Washington, Vol. 16, 1903, p. 123. 

 TYPE locality: Lemon City, Florida. 

 RANGE : Extreme southern Florida. 



Heterodon contortrix (Linne) ^ 

 PUFFING ADDER, SPREADING ADDER 

 Boa contortrix Linn:6 



Syst. Nat., Ed. 12, Vol. 1, 1766, p. 373. 



1 This snake for years has been called H. platyrhinua or platirhinos but this name is clearly a syn- 

 onym. Linne in the tenth edition of the Systcma Naturae (p. 216) described Coluber conatrictor. This 



