THE REPTILE Bootf 



t>LATE CXXXIII 



MOUNTAIN DIAMOND RATTLESNAKE, Crotalus alrox phase scutulalw 

 Recognised by the irregular plates between the eyes. See heads of rattlesnakes 



BLACK-TAILED RATTLESNAKE, Crninlu.t moiossus 

 Abundant m the ifcountains of the Southwest near the Mexican border. Easily told by the jet black tail. One of the larger species 



