Narrow-mouthed Toads. Brevicipitidae: 

 Hypopachus. Gastrophryne 



Fig. 7. 1. Broad waist. 2. Femur partially involved in body skin. 



3. Two metatarsal tubercles. 4. Slight basal web. 5. Transverse fold of 



skin across head. 6. Depressed form of body. 7. Body thick. 



8. Legs short. 



a. Two sole (metatarsal) tubercles; basal webs on feet; snout 

 shorter (9-iO'in L.); usually a mid-dorsal yellow line and 

 mid-ventral white line; oblique white band from eye to 

 shoulder. Taylor's toad. Hypopachus cuneus. Plate LXXXII. 



aa. One sole (metatarsal) tubercle; no webs on feet; snout 



longer (6.6-8.2 in L.); no mid-dorsal or mid-ventral lines 



nor oblique postorbital band. 



b. Muzzle shorter; hind foot unusually short, hind limb 



short; back areolate, the posterior parts even pustular 



(Texas). 



Mitchell's narrow-mouthed toad. Gastrophryne areolata. 

 bb. Muzzle longer; hind limb longer. 



c. Body depressed (thickness in length 3-5.6 in 

 males, 4-4.3 in females) ; tibial width in tibial length 

 3-4; body width in females 2.46-3.1 in L.; upper 

 eyelid 10-18 in L.; eye 8.7-12.7 in L.; skin usually 

 smooth; under parts white; dorsum grayish olive. 

 Texas narrow-mouthed toad. Gastrophryne texense. Plate LXXXI. 

 cc. Body less depressed (2.5-3.35 in males, 2.65-3.4 

 in females); tibial width in tibial length 2.5-3 

 times; body width in females 1.83-2.3 in L.; upper 

 eyelid 18.6-28 in L.; eye 10-14 in L.; skin 

 smooth, tuberculate, or pustular; under parts 

 gray, or brown speckled and mottled; dorsum 

 black, gray or brown. 

 Narrow-mouthed toad. Gastrophryne carolinensis. Plate LXXX. 



35 



