VERTEBRATE ANIMALS OF THE UNITED STATES 



R. pretiosa (B. & G.)- Body large, yellowish or reddish brown in 

 color with 2 rows of irregular black spots between the dorso-lateral ridges; 

 beneath light, marbled with gray; flanks and under surface of legs red; 

 length 75 mm.: Montana and Utah, and westward to the Pacific 

 coast; common; entirely aquatic. 



Family 6. Brevicipitidae.- — Narrow-mouthed toads. Head narrow 

 and pointed; mouth small; no maxillary or mandibular teeth: tropical 

 toads with 4 species and 2 genera in the United States. 



Key to the United States Genera of Brevicipitidae 



ai Foot with one small tubercle i. Gastrophryne. 



a2 Foot with two large tubercles 2. Hypopachus. 



1. Gastrophryne Fitzinger. Head very narrow and pointed, 



much narrower than the body; 

 skin smooth or glandular, but 

 not warty: 3 United States 

 species. 



G. carolinensis' (Holbrook) 

 (Fig. 97). Size very small; 

 body stout; color dark brown 

 to gray, with two reddish dorso- 

 lateral stripes bordered by dark 

 brown; back and sides speckled 

 with black; length 25 mm.; hind 

 leg 28 mm. : Virginia to Florida, 

 and westward to Texas; north- 

 ward in the Mississippi Valley 

 to southern Indiana. 



G. areolata (Strecker) . Color 

 light gray above, marbled with 

 brown; under surface hght gray, 

 with closely placed pale spots; 



skin of back highly glandular; length 22 mm.: southeastern Texas. 

 G. texensis (Girard). Color gray or brownish above, speckled or 



spotted with black spots tending to form longitudinal rows; skin of 



back smooth: Texas. 



2. H3rpopachus Keferstein. Head small; body large; limbs short; 

 no vomerine teeth: i species. 



H cuneus Cope. Color light brown or grayish brown, sometimes 

 tinged with ohve, with a pale median vertebral line; length 41 mm.; 

 hind leg 46 mm. : southwestern Texas. 



Fig, 



9 7 . — Gaslrophyne carolinensis (frotn 

 Dickerson). 



