MANUAL OF FI8H-CULTURE. 



259 



tympanum, Avhich is sometimes iiidistiiict iu some small specimens, is 

 smaller thau the eye. Skin thick. The femur is shorter than the tibia 

 and not quite half length of body. Tlie toes are fully webbed. A 

 depressed ridge extends from eye to flank. The color is dull yellowish- 



Western Frog {Banapretiosa). 



brown (dead leaf) above, darker on sides, with circular brown blotches 

 between the ridges. The outer surface of the limbs is blotched trans- 

 versely. The body spots are often less numerous and smaller than in 

 the specimen figured. The under parts are yellowish white, with obscure 

 brown marbling, posteriorly salmon color. 



Westeru Bullfrog {Bana aurora). 



Rana aurora is found in the western coast region of the United States. 

 The body is depressed and elongated 5 limbs slender, well developed; 

 head broad, acute, rounded anteriorly; eye moderate; tympanum 

 smaller than eye, but not so small as in preceding species. A fold of 



