2 - 



The Rocky Mountain Toad. Woodhouse's 



Toad. American Toad. 



Plate XXV (xj). i, 2. 

 Females. 3, 4. Males. 



Bufo woodhousii Girard. 



Range: Montana to Texas, 

 west to southeastern Cali- 

 fornia. Great Plains and 

 Great Basin region. 



Habitat: This toad lives in 

 canyons in mountains and 

 out on plains along irrigating 

 ditches. It is also found along 

 rivers and in swamps. In 

 fact its habitat is very di- 

 verse, being any habitat 

 where sufficient moisture ob- 

 tains. 



Size: Adults, 2 1/4-4 3/4 

 inches. (Males, 56-99 mm. 

 Females, 58.5-1 18 mm.). 



General appearance: This 

 toad looks much like our 

 eastern Bufo americanus , but 

 is larger. The general color is 

 grayish drab on the back, 

 with several large brownish 

 warts which are usually sur- 

 rounded by a slightly larger 

 blackish area. There is a nar- 

 row light mid-dorsal stripe. 

 The sides are marked with 

 several black spots. The 

 crests on the head are dark in 

 color, but not particularly 

 conspicuous. They form a 

 right angle around the rear 

 of the eye. The parotoids 

 are large and oblong. The 

 under parts are a dark cream 

 color. The tubercles and tips 

 of fingers and toes are reddish 

 brown. The head is short and 



78 



