252 U. S. NATIONAL MUSEUM BULLETIN 206 



Rio de Janeiro: Barreira, near Teres6polis, ZSBS 26/47, A, Lutz, 1923. 

 Barro Branco, MZUM 104262, Bailey, 1941. Cachoeiraa, MRHN IG 9404 

 Reg. 79 (2; cotypes of Phyllobates brasiliensis), Massart, Nov. 27, 1922. 

 Teres6poli8, ZSBS 285, Bresslau, February-March 1929. 



Crossodactylus trachystoma (Reinhardt and Liitken) 



Plate 22, Figures i, j 



1862. Taraopterus trachystomus Reinhardt and LOtken, p. 177, pi. 3, figs. 2, 

 2a (type locality, Lag6a Santa, near Bello Horizonte, Minas Gerais). 



1923. Leptodadylua gaudichaudii (part) Nieden, p. 490, fig. 335. 



1924. Crossodactylus hresslaui L. Miller, 1924a, p. 169 (type locality, Gorduras, 



near Villa Nova Lima, Minas Gerais); 1927, p. 273. 



Description. — Adult female, USNM 98017, roadside between Morro 

 Velho and Bello Horizonte, Minas Gerais. A slight vomerine ridge 

 in front of and between the choanae; tongue large, about two-thirds 

 the width of mouth-opening, oval but not posteriorly notched ; snout 

 rounded when seen from above and in profile, the upper jaw extending 

 greatly beyond the lower; nostrils more lateral than superior, scarcely 

 projecting, two-thirds the distance from eye to tip of snout, 

 separated from each other by an interval equal to Iji times 

 their distance from eye. Canthus rostralis distinct, the loreal region 

 slanting outwards, slightly grooved along its lower border where it 

 meets the lip. Eye large and prominent, its diameter equal to its 

 distance from end of snout; interorbital diameter equal to width of 

 upper eyelid, about two-thirds the distance between nostrils. Tym- 

 panum large and distinct, one-half the diameter of eye, separated from 

 eye by an interval equal to one-half its own diameter. Fingers free, 

 their tips slightly dilated, the median furrows visible in this specimen 

 on top of third and fourth fingers; second and fourth fingers subequal; 

 narrow marginal fringes along sides of fingers; a large round palmar 

 tubercle and a smaller one on lower base of first finger; two larger 

 and one smaller black spines on outside of first finger; subarticular 

 tubercles prominent, single; toes webbed at base, with small but well- 

 developed disks, having a furrow dividing the upper surface visible 

 on all except the inner one; third toe much longer than fifth, reaching 

 to base of penultimate phalanx of fourth; a prominent conical inner 

 metatarsal tubercle and a smaller outer one ; a wide dermal fold along 

 inside of tarsus, and smaller dermal ridges on sides of toes. Body 

 stout, in postaxillary region equal to greatest width of head; when 

 hind leg is adpressed, heel reaches to center of eye; when limbs are 

 laid along the body, knee and elbow meet; when hind legs are placed 

 at right angles to body, heels slightly overlap. Skin of upper parts 

 minutely glandular, with numerous tubercles along the sides and on 

 sacral region; a prominent supratympanic ridge, and a swollen area 



