U. S. NATIONAL MUSEUM 



BULLETIN 206 PLATE 34 



Stereocyclops incrassatus (photographed by A. de Carvalho, X H): a, Hving frogs from 

 Caxias, Rio de Janeiro. Trachycephalus nigromaculatus (MHNP 4609, type; X }9: 

 B, dorsum. Hyla langsdorffii (MHNP 4634, type; X >0: c, dorsum. Cycloramphus 

 fulginosus (MHNP 750, X ]4): d, dorsum. Hyla goughi (BM 1911.9.8.5, type; X Ya): 

 E, dorsum. Bufo d'orhignyi (MHNP 4960, type; X ]■{)■■ f, dorsum. 



