CROCODILIANS, LIZARDR, AND SNAKES. 



421 



lanceolate scales closely i)la('e(l. Scales of the short inferior row 

 quite small, and separated from the superior by small, round scales 

 separated by intersi)aces. Arm and forearm covered above vrith large 

 keeled and mucronate scales, of thigh with small keeled scales, mixed 

 with large, more or less free, keeled scales, and tibia with large 

 keeled and mucronate scales, with a few small ones intermixed. 



Fig. 73. 



Phrynosoma solare gray. 



Xh 



01(1 individual with middle horns worn. 



Arizona. 



Cat. No. K«7, U.S.N. M. 



Tail with two lateral fringes of conic scales at the base, the inferior 

 row short and composed of small scales, the superior continued to 

 near the end of the tail. Superior pholidosis of tail irregular, with 

 larger and smaller keeled and tubercular scales, which are more 

 or l.vss free at the apices. Keeled scales of humeri continued across 

 thorax on clavicular angle. Median gular scales rounded. Scales of 



