little-known South- American Frogs. 297 



subacuminate, as long as the orbital diameter ; interorbital 

 space as broad as the upper eyelid ; tympanum small, very 

 indistinct. Fingers slender, first considerably shorter than 

 second ; toes slender, fringed, with a slight rudiment of web ; 

 subarticular tubercles moderate, not conical ; a small tarsal 

 tubercle ; two small, oval, metatarsal tubercles, which are 

 wider apart from each other than the inner from the tarsal 

 tubercle. The tibio- tarsal articulation reaches the anterior 

 corner of the eye. Skin smooth, with a few very fine oblique 

 or sinuous folds above ; no lumbar gland. Pale olive above, 

 with darker insuliform spots on the back and cross bars on 

 the hind limbs ; a black band, edged above with a fine whitish 

 line, extends from the end of the snout, through the nostril, 

 the eye, and the ear, to the side, obliquely descending and 

 gradually widening from behind the eye ; lower surfaces 

 whitish, mottled with brown round the jaw and on the throat 

 and breast. From snout to vent 29 millim. 



Mundo Novo, Rio Grande do Sul. 



A single female specimen, obtained by Hi'. Th. Bischoff. 



Paludicola Olfersii. 



Fhjyniscus Olfersii, Martens, Nom. Mus. Berol. p. 40. 



Nattereria lateristriga, Steind. Verb, zool.-ljot. Ges. Wien, 1864, 



p. 279, pi. xiv. fig. 2. 

 Paludicola Olfersii, Peters, SB. Ges. nafc. Freunde, 1882, p. 62. 



Tongue elliptic, entire. Vomerine teeth none. Snout 

 subacuminate, nearly as long as the orbital diameter ; inter- 

 orbital space as broad as the upper eyelid ; tympanum hidden. 

 Fingers slender, first not extending as far as second ; toes 

 slender, free, not fringed ; two small metatarsal tubercles, 

 inner oval, outer round ; no tarsal tubercle ; no tarsal fold. 

 The tibio-tarsal articulation reaches the anterior corner of the 

 eye. Skin smooth, without folds ; no lumbar gland. Pale 

 brown above, with darker symmetrical markings and cross 

 bands on the hind limbs ; a light streak along the coccyx ; a 

 blackish band from the end of the snout to tlie groin, passing 

 through the eye, gradually widening and obliquely descending 

 from behind the eye ; the band is sharply defined and finely 

 white- edged above and between the eye and the shoulder; 

 lower surfaces whitish, throat and breast mottled with brown. 

 From snout to vent 28 millim. 



Brazil. 



A half-grown female specimen, one of the types, presented 

 to the author by Professor Peters in 1882, is in the British 

 Museum . 



