The RrpTiLK Hook 



I'LAIK CXXXIV 



PRAIRIE RATTLESNAKE. Crotalus conflucnlu^ 

 A reptile swarming over the western prairies. The clay-colored markings are in perfect harmony with the soil. Few examples 



are over four feet long 



TACUTC R,\rri.i:.S.\.\KE. Cn'ttilus oregonus 

 The common rattlesnake of the Pacific Repon. A jet l>i:Hk |)hase is abundant in the northern portion of the range 



.\n adult is about four feet long 



