58 



yiPERID.E. 



SQUAMATA. 

 {OPHIDIA.) 



VIPERID^. 



^j^^^'.^'M^m 



'!^WiVi!; 







Genus, Pelius. Merr. 



Generic Character. — Head depressed, oblong-ovate, somewhat compressed 

 before, and wider behind the eyes ; vertex covered with scuta ; no pit between 

 the nostrils and eyes ; tail with double plates beneath. 



COMMON VIPER. 



ADDER. 



Pelius Bents. 



