80 



Trans. Acad. Sci. of St. Louis. 



Choropkilus triseriatus. ...April 2, 1910. 

 Wied. 



April 12, 1896. 



May 20, 1897. 



Acris g. crepitans Baird. .April 10 to 



May 30. 



Engystoma texense 



Girard April 15 to 



June 1. 



Bufo americanus 



Le Conte March 19 to 



May 30. 

 Bufo valliceps Wieg April 10 to 



May 30. 



Bufo debilis Girard April 30, 1900. 



May 12, 1906. 



May 20, 1897. 

 Bufo compactilis Wieg. . . May 1 to 



May 30. 



Bufo punctatus B. & G. .May 12, 1907. 



April 15, 1909. 



Water-filled ditches Males 

 on mesquite flats. only. 



Grassy marsh two miles 

 east of city. 



Temporary prairie Spring 



ponds breeding in rains 



company with Bufo later 

 debilis Gir. and En- than 

 gy stoma texense Girard. usual. 



Ponds and small 

 streams. 



Prairie ponds, pools in 

 damp gulches, road- 

 side ditches. 



Brazos river, Waco 



creek, ponds. 

 Pools in damp gulches, 



small creeks. The 



males are usually 



heard a night or two 



before the females 



seek the breeding 



places. The former 



greatly exceed the 



latter in numbers. 

 Prairie ponds. 

 Roadside ditches along 



mesquite covered flats. 

 Prairie ponds. 

 Temporary ponds and 



ditches. Breeding 



habits resemble those 



of Scaphiopus to a 



considerable extent. 



Metamorphosis of 



tadpole unusually 



rapid. 

 One specimen captured 



in a temporary pond 



but may not have 



been breeding. 

 Near Glen Rose, Som- 

 ervell Co., Texas, I 



found this species 



breeding in water- 

 filled hollows in a 



rocky gulch. 



