Hurler and Strecker — Amphibians and Reptiles of Arkansas. 27 



Family Viperidae. 



87. Ancisteodon contorteix Linn. Copperhead. 



Hot Springs (Combs and Hurler), Greenway (Meek), 

 Fort Smith (Pierson). 



88. Ancistrodon ptscivorus Lacepede. Cotton-month 



or Water Moccasin. 

 Hopedale (Hay), Fort Smith (Shumard and Pierson), 

 Hot Springs (Combs), Paragould (Hiirter), 



89. Sistrurus miliarius Linn. Ground Rattlesnake. 

 Sans Bois Creek, Ark. (Jeffers. U. S. Nat. Mus. Coll.) 



90. Crotalus horridus Linn. Timber Rattle Snake. 

 Hot Springs (Combs), Paragould (Hurter), Donald- 

 son (Meek). A specimen of the eastern diamond rattle- 

 snake {Crotalus adamenteus Beau., in the National Mu- 

 seum Collection, is labeled "Arkansas," but probably 

 through error. Crotalus horridus is the prevailing form 

 of large rattlesnake throughout Missouri, Arkansas, 

 eastern Oklahoma, and northeastern Texas. 



Issued May 14, 1909. 



