COLOR PLATE II 



Fig. i. Hypopachus cnneus Cope. Brownsville, Texas. May 

 be gray or warm shades of brown. There is much red on the con- 

 cealed anterior surface of the femur. 



Fig. 2. Engystoma carolinense Holbrook. Raleigh, N. C. 

 Fig. 3. Lithodytes latrans Cope. Helotes, Texas. 

 Fig. 4. Scaphiopus holbrookii Harlan. Providence, R. I. 

 Fig. 5. Scaphiopus couchii Baird. Brownsville, Texas. This 



spadefoot may be gray, green or brown. 

 Fig. 6. Rana onca Cope. Las Vegas, Nevada. The spots are 



evanescent in character ; they may be outlined with light 



or not. 

 Fig. -j.Rana boylii Bd. and Gird. Mill Valley, Cal. This is 



the Yellow-legged Frog of California. 



Refer to Index to locate descriptions. 



