CHECK LIST N. AMER. AMPH. REPT. 121 



Ancistrodon contortrix Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 1135, fig. 326. 



TYPE locality: America. 



RANGE : Massachusetts southward to northern Florida, westward 

 to Illinois, Arkansas, and Texas. 



Agkistrodon piscivorus (Lac^pede) 

 COTTON-MOUTH MOCCASIN 



Crotalus piscivorus Lacepede 



Hist. Nat. Serp., Vol. 2, 1789, table method., p. 130. 

 Ancistrodon fiscivorus Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 1133, fig. 325. 



TYPE locality: Carolina. 



range : West Virginia to Florida and the Gulf States. 



Sistnirus (GENUS) 



Garman, Mem. Mus. Comp. Zool., Vol. 8, Pt. 3, 1883, p. 110 

 type: miliarius 



Sistrurus catenatus catenatus (Rafinesque) 

 MASSASAUGA 



Crotalinus catenatus Rafinesque 



Amer. Month. Mag. Crit. Rev., Vol. 4, No. 1, Nov. 1818, p. 41, 

 Sistrurus catenatus Garman 



Mem. Mus. Comp. Zool., Vol. 8, Pt. 3, 1883, p. 176. 

 Sistrurus catenatus catenatus Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 1146, fig. 329. 



TYPE locality: Prairies of the upper Missouri. 

 range: Western New York, through Ohio to Nebraska, north- 

 ward into Michigan and Ontario, southward to Kansas. 



Sistrurus catenatus edwardsii (Baird and Girard) 



Crotalophorus edwardsii Baird and Girard 



Cat. N. Amer. Rept., Pt. 1, 1853, p. 15. 

 Sistrurus catenatus edwardsii Stejneger 



Ann. Rep. U. S. Nat. Mus., 1893 (1895), p. 416. 

 Sistrurus catenatus edwardsii Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. II44, fig. 328, 



TYPE locality: Tamaulipas, Mexico. 



range : Oklahoma southward through western Texas to north- 

 eastern Mexico, 



