46 



U. S. NATIONAL MUSEUM BULLETIN 206 



phalanx crooked. Vomerine and palatine teeth as in Diaglena; these are firm 

 and not cutaneous. 



Aparasphenodon brunoi Miranda-Ribeiro 



Figure 5; Plate 5, FiotrHES a, b 



1920. Aparasphenodon brunoi Miranda-Ribeiro, 1920a, p. 88, pi. [1] (type 

 locality, Rio de Janeiro); 1926, p. 98, fig. 57, pi. 12, figs. l-l,b; 1939, 

 p. 25. — deWitte, 1930a, p. 228.— Mbrtens, 1926c, p. 137.— Carvalho, 

 1939b, p. 25; 1941, p. 101.— Myers, 1946, pp. 14, 31. 



1920. Corythomantis apicalis Miranda-Ribeiro, 1920a, p. 89, pi. [2] (type 

 locality, Esplrito Santo). — Mertens, 1926c, p. 139. 



1925. Corythomantis adspersa, A. Ltjtz, 1925b, p. 213 (type locality, Niter6i, 



Rio de Janeiro); 1926a, pp. 8,|l5. — Mertens, 1926c, p. 139. — Lutz 

 and Lutz, 1939b, p. 251. 



1926. Aparasphenodon apicalis Miranda-Ribeiro, p. 99, fig. 58, pi. 12, figs. 



2-2,b. 

 1926. Corythomantis brunoi Mertens, 1926c, p. 139. 



Description. — Adult male, USNM 964 13|(cotype of Corythomantis 

 adspersa), Lag6a de Saguarema (Nilo Teganha), Rio de Janeiro. 



Figure S. — Aparasphenodon brunoi, USNM 96413: a, Dorsum; b, profile; c, foot; d, hand; 



all X %. 



Vomerine teeth in two v/ell-separated, exceedingly heavy triangular 

 patches between the very large choanae; palatine teeth present, well 

 developed; no parasphenoid teeth; tongue three-fourths the width of 

 mouth-opening, nearly round, without a notch on its attached pos- 

 terior border; top of head osseous; snout long, with a heavy projecting 

 bony ridge extending along the upper lip and another along the 

 canthus rostralis, merging at the tip; top of head and area between 

 these ridges deeply concave; in profile the snout slopes almost hori- 

 zontally forwards to the blunt bony tip, so that the upper jaw projects 



