FROGS OF SOUTHEASTERN BRAZIL — COCHRAN 371 



Stereocyclops incrassatus Cope 



Plate 34, Figure a 



1870. Stereocyclops incrassatus Cope, p. 165 (type locality, Sao Matheus 



[in Espirito Santo, fide Carvalho]); 1889, p. 387. — Boulenger> 1882a, 



p. 159.— Gadow, 1901, p. 231.— Baumann, 1912, p. 161.— Nieden, 1926, 



p. 73.— Miranda-Ribeiro, 1926, pp. 192, 226, figs. 103, 104.— Carvalho, 



1948, p. 5, figs. 1-6. 

 1920. Emydops hypomelas Miranda-Ribeiro, 1920c, p. 286, pi. [2], figs. 4-6 



(type locality, Porto Cachoeira, Espirito Santo); 1926, pp. 188, 226. — 



Parker, 1927a, p. 2, fig. 2. 

 1934. Hypopachus parkeri Wettstein, p. 270, figs. 1, 2 (type locality, Colonia 



Santa Cruz, Rio de Janeiro). — Myers, 1946, pp. 15, 33. — Dunn, 1949, 



p. 4. 

 1934. Hypopachus incrassatus (part) Parker, 1934a, p. 111. — Muller and 



Hellmich, 1936, p. 94, figs. 34, 35. — Schubart, 1939, p. 57. — Tbavassos 



and Frbitas, 1942, p. 283. 

 1949. Ribeirina hypomelas Dunn, p. 5. 



Description. — An adult male, USNM 132736, Caxias, Rio de Janeiro. 

 Snout short, rounded when viewed from above, more acute in profile; 

 upper jaw projecting considerably beyond lower; tongue large, one- 

 half width of mouth-opening, ovate in shape, with the smaller lobe at 

 the free posterior end, not incised; anterior edge of lower jaw straight, 

 without conspicuously swollen areas; nostrils on upper surface of 

 snout, their distance from tip of snout one-half their distance from 

 eye, the interval between them equal to their distance from eye; no 

 furrow on front of snout; tympanum indistinct; eye small, one-half 

 the snout length; can thus rostralis rounded; loreal region sUghtly 

 concave, mergmg with the flaring upper lip border; upper eyelid nar- 

 row, one-third the interorbital diameter. Body very stout, in post- 

 axillary region 1)^ times the greatest head width. Fingers fairly long, 

 free, without lateral ridges, second and fourth subequal, extending to 

 base of penultimate phalanx of third; a large oval pad at base of 

 first finger and two larger but less distinct ones on palm of hand; 

 metacarpal tubercles well developed. Toes long, webbed at the base, 

 the webs continuing as ridges part way towards the tip of each toe, 

 third much longer than fifth, reachmg halfway on antepenultimate 

 phalanx of fourth; a large inner metatarsal tubercle, and a long, heavy 

 ridge on outer side of foot representing an outer tubercle; side of 

 tarsus between heel and inner tubercle swollen but not distinctly 

 ridged; tubercles beneath toes large. When hind leg is extended, heel 

 reaches nearly to posterior comer of eye; when limbs are laid along 

 the sides, knee and elbow touch; when hind legs are bent at right 

 angles to body, heels barely touch. Skin smooth above and below, 

 with a few small granules on the sides; a pair of heavy transverse skin 



