AMPHIBIANS 



17: 



B . uvod/iousei Girard (Fig. 86) . Color brown, with a pale middorsal 

 line and 3 pairs of brown spots; belly yellow; length 90 mm.; head short, 

 with thickened cranial crests posteriorly: Texas to Kansas and Mon- 

 tana; westward to Nevada and eastern Cahfornia. 



B. punctatus Baird & Girard. Body small and slender; color light 

 brown above and yellowish white beneath; length 52 mm.; parotoid 

 (^land small and round : western Texas to southern California. 



B. compactilis Wiegmann. Color greenish brown; belly greenish or 

 yellowish; length 72 mm.: New Mexico and Arizona. 



B. dehilis Gir. Similar to B. punctatus but with very large parotoid 

 glands, which are elongate and not round; legs with black cross bands: 



Fig. 85. — Upper surface of [head of Biifo 

 lerrestris {from Cope). 



Fig, 



86. — Upper surface of head of Bufo 

 woodhoiisei {from Cope). 



Texas to California; northward into Colorado; southward into Mexico; 

 rather common. 



B. valliceps Wieg. Color chestnut brown above, with a dark 

 cross band behind the orbits and a dark lateral band; legs cross barred; 

 length 85 mm.: Louisiana and Texas. 



B. cognatus Say. Body large, dusky brown in color, with a yellowish 

 middorsal line from which project irregular lateral line to the right 

 and left, giving the back a blotchy appearance; white underneath; 

 length 85 mm.; parotoid glands short and wide: western plains from 

 Kansas, Nebraska and Texas to southern California, 



Subspecies of B. cognatus 



B. c. cognatus Say. Wyoming to Texas; west to the Rockies. 



B. c. californicus Camp. Southwestern California. 



B. aharius Gir. Color dark green or brown; belly whitish; length 

 165 mm.; parotoid gland a long oval: southern Arizona and California; 

 very rare. 



