FROGS OF SOUTHEASTERN BRAZIL — COCHRAN 313 



occurs on the shoulder just behind the tympanum. It is still promi- 

 nent in the type of poecilochilus and very distinct in the best-preserved 

 specimens of mystaceus from Brazil. Both Cope and Boulenger failed 

 to mention this structure. 



Specimens examined 

 BRAZIL: 



Bahia: ZSBS 2505/0 (tj'^pe of Rana mystacea), Spix. 



DisTKicTO Federal: Swamp 40 km. on road to Sao Paulo, USNM 97572-3, 



A. Lutz, Cochran, and Venancio, Feb. 10, 1935. 

 EspfRiTO Santo: ltd, IB 129-30, 139, 143-5, 172-3, 205-7, 238-9. 

 MiNAS Gerais: Agua Limpa, USNM 96995-6, A. Lutz, December 1922. 



Janudria, IB 414-6. Rio Pandeiro, IB 477-8, 487, 499, 537-8. 

 Rio de Janeiro: Guapi, Teres6polis, NMS, Sandig. Merity, USNM 96222, 



A. Lutz, Oct. 6, 1923. Niter6i, USNM 96400-2, A. Lutz, Aug. 10, 1923. 



Sacco Sao Francisco, Niter6i, USNM 96407-11, 99120, A. Lutz, Oct. 13, 1923. 



Serra do Friburgo, USNM 98467, Venancio, December 1923. 

 Rio Grande do Sul: CaneUa, ZSBS (1), Gliesch, 1929. 

 Santa Catarina: Humboldt, ZSBS 70/25 Erhardt. Sao Bento, USNM 



97176-8, Behr, 1915. 

 Sao Paulo: Jurd Mirim, IB 237. 

 URUGUAY: Montevideo, MRNH IG 4544 Reg. 392. 



Leptodactylus mystacinus (Burmeister) 



Plate 27, Figures i, j 



1858. Cystignathus schomburgkii (not of Troschel) GtJNTHER, p. 29. 



1861. Cystignathus mystacinus Burmeister, p. 532 (type locality, Rosario [Ar- 

 gentina]).— Weyenbergh, 1876, p. 165.— F. MtJLLER, 1882, p. 130. 



1867. Cystignathus mystaceus (not of Spix) Hensel, p. 125. 



1875. Leptodactylus wuchereri Espada, p. 68 (type locality, Argentina). 



1882. Leptodactylus mystacinus Boulenger, 1882a, p. 244; 1885a, p. 196; 1886b, 

 p. 441.— Boettger, 1885, p. 244; 1892, p. 30.— Cope, 1885a, p. 187.— 

 Berg, 1898, pp. 150, 186.— Peracca, 1897, p. 17.— Gadow, 1901, p. 

 219. — Brandes and Schoenichen, 1901, p. 403. — M6hely, 1904, p. 217, 

 pi. 13, fig. 11.— Baumann, 1912, p. 162; 1917, p. 141.— Nieden, 1923, 

 p. 485.— Marelli, 1924, p. 586.— A. Lutz, 1924a, p. 235; 1926b, pp. 148, 

 167, pi. 32, figs. 8, 9; 1927, pp. 39, 45; 1930, pp. 10, 30 [misprinted "mysta- 

 ceus'' on p. 30]. — Beebe, 1925, p. 124. — Miranda-Ribeiro, 1927, p. 

 114.— Crawford, 1931, p. 30.— Eisentraut, 1932, p. 325.— Crawford 

 and Jones, 1933, p. 89. 



Description. — Adult male, USNM 99121, Sacco Sao Francisco, 

 Niter6i, Rio de Janeiro. Vomerine teeth in two heavy, narrowly 

 separated, transverse patches behind and between the choanae; 

 maxillary teeth present; tongue large, two-thirds as wide as mouth- 

 opening, notched on its free posterior border; snout moderately long, 

 bluntly rounded when seen from above; viewed in profile, snout shows 

 a decided ridge between nostril and edge of mouth extending back- 

 wards to tympanum; upper jaw projecting beyond lower. Nostrils 



