468 BOULENGER. 



true (Esopus from Hampton Co., North Carolina, but makes no mention 

 of having compared his specimen with the forma typica (areolata), 

 which might be expected to occur in both the Carolinas. 



17. Rana tarahumarse. 



Rana tarahumaroe Bouleng., Ann. and Mag. N. H. (8) XX, 1917, p. 416, and 

 (9) III, 1919, p. 411. 



Vomerine teeth in small groups close together behind the level of 

 the choanfe. 



Head broader than long, much depressed; snout rounded, feebly 

 projecting beyond the mouth, as long as the eye; canthus rostralis 

 indistinct; loreal region very oblique, slightly concave; nostril equi- 

 distant from the eye and from the tip of the snout ; distance between 

 the nostrils equal to the interorbital width, which is equal to or a little 

 less than that of the upper eyelid; tympanum distinct, without or 

 with a few small asperities, t to i- the diameter of the eye, once to 

 once and a half its distance from the latter. 



Fingers moderate, the tips feebly swollen, first longer than the 

 second, third longer than the snout; subarticular tubercles large, 

 prominent. 



Hind hmb long, the tibio-tarsal articulation reaching the tip of the 

 snout, the heels meeting when the limbs are folded at right angles to 

 the body; tibia 4 to 4| times as long as broad. If to 2 times in length 

 from snout to vent, shorter than the fore limb, as long as Or slightly 

 longer or shorter than the foot. Toes with the tips swollen into small 

 disks, the base of which is involved in the very broad web; outer 

 metatarsals separated nearly to the base; subarticular tubercles 

 rather large and prominent; no tarsal fold; inner metatarsal tubercle 

 elliptic, feebly prominent, i to f the length of the inner toe ; no outer 

 tubercle. 



Skin smooth, or upper parts with small pustules; a feeble, curved 

 glandular fold from the eye to the shoulder. 



Brown or olive above, with small blackish spots or numerous dots; 

 limbs with irregular dark cross-bars; lower parts white, uniform on 

 throat, breast, and limbs mottled with grayish brown. 



Male without vocal sacs, with a thick blackish pad on the inner side 

 of the first finger. 



Nasal bones small and widely separated from each other and from 

 the frontoparietals. 



Habitat. — Sierra Tarahumare, N. W. Mexico, about 3000 feet 

 altitude. 



