Occasional Papers of the Museuin of Zoology 15 



length of the hind limb to the heel equals the body length for- 

 ward to the eye or nostril ; the tibia is longer than the femur. 

 Small specimens were of a uniform dark green color when 

 collected, but changed quickly to the characteristic adult color- 

 ation. 



The species was not found in the Humboldt \"alley al- 

 though it was fairly abundant in James Canyon to the basin 

 floor. Early in August many partly grown specimens were col- 

 lected under stones and in the sage brush around the two small 

 alkaline ponds near James Creek. Many tadpoles belonging to 

 this species were observed in Alary Lake, and three recently 

 transformed individuals were found under stones on its bank. 

 Two adult specimens were taken in rock slides on the Carlin 

 Peaks, one not far from a spring, the other several miles from 

 water. 



This little tree frog was frequently heard singing on wet 

 nights early in August, among the willows along James Creek. 



ScapJiiopiis hanunondii Baird. 



Common in the Humboldt \'alley about Carlin. One partly 

 grown specimen taken in a spring in the lower part of 

 James Creek. 



The single adult spadefoot obtained is quite typical of the 

 species. Many half grown and recently transformed speci- 

 mens were taken. Those partly grown had the adult colora- 

 tion except that the tubercles were tipped with orange red. 

 The Aounger specimens were much darker in color with little 

 or no trace of the curving dorsal stripes ; the toes and fingers 

 were frequently tipped with black, and the sole tubercle was 

 prominent. 



The western spadefoot is apparently common in the Hum- 

 boldt A'alley, although but one adult specimen was secured, 



