REPTILES 



20I 



with brown and with a median yellow band; head spines very long: 

 Kansas and Nebraska to Texas and Colorado; common. 



P. blainvilli Gray. Length 150 mm. ; tail 56 mm. ; color light brown: 

 California, southward and eastward of San Francisco; common. 



Subspecies of P. blainvilli 



P. b. blainvilli Gray. Southern California; Lower Cahfornia. 



P. b. frontale Van Denburgh. In the northern portion of the range. 



Fig. 109. — Phrynosoma cornulum (from Dilmars). 



P. solare Gray. Length 140 mm.; tail 51 mm.; 4 equally long occi- 

 pital horns form with the lateral horns an uninterrupted series: deserts 

 of Arizona; westward to Tucson. 



P. modestum Girard. Length 95 mm.; color yellowish brown, 

 sometimes pinkish, with a black patch on each side of the nape : Texas 

 to Arizona; common. 



P. douglassi (Bell). Length 100 mm.; tail 26 mm.; color brown, with 

 2 rows of large dark blotches on the back ; horns rudimentary ; abdominal 

 scales smooth: Oregon and Washington to Salt Lake Valley; common. 



