IT 



GROT ALUS ADAMA 



I'iuU IL 



Characters. Head very large, trianiri ■ 

 covered with plates in front and with scal< 

 between the eye and nostrilj upper jaw ; 

 brown or dusky, marked with a series of 

 continuous, and extending from the head to 

 dirty yellowish-white. PI. 172. Caud. I'l, . ■ 



SvNO^•YMEs. Crotalus adamanteus, Beav 

 Crotalus rhomblfer, LatreiUe, Hist. N;i^ 

 Crotalus rhombifcr, Daudin, Hist Nat 

 Crotalus durissus, Daudin, Gen. Zool. . 

 Crotalus rhombifer, Merrem. \ 

 Crotalus horridus, Harlan, MeJ. ,. 



Description. The In • ' - • 

 covered with pUites ai 

 The rostral plate «« 8ii: 

 plates are small and <; 

 large, quadrilateral, an/, 

 triangular, lunaled m from lo 

 are oval and large, the gi 

 with their outer n 

 plates; the upper Un^. i .; 

 posterior walls of the orbi; .... ...- 



Vol. III.— 3 



