310 tr. S. NATIONAL MUSEUM BULLETIN 206 



Venancio as he sliced with a machete into the soft red clay near which 

 several adults had been caught hopping about in the fallen leaves. 

 Although some larvae may have been destroyed, four eggs were 

 taken out with the clay mass. When found they were on the 

 point of hatching, as the larvae could wriggle in their soft masses of 

 foam. No egg capsules were to be seen. The eggs were not closely 

 in contact, but this may have been due to the breaking up of the nest 

 with the machete. The larvae were photographed as they hatched. 

 The metamorphosis was rapid; in three days the limbs developed, 

 although a long tail still remained. At this stage the head and body 

 length was 4 mm.; the tail 9 mm. Not more than four eggs have 

 been found in any one female, the largest measuring up to 3 mm., 

 and it is probable that not very many more than that are produced. 



Specimens examined 



BRAZIL: NHMW (1; type of Adenojnera marmorata) . 



DiSTRiCTO Federal: Cosme Velho, USNM 119000-03, Venancio, November 

 1940. Covanca, Jacar^pagud, USNM 97471-85, Cochran, Dias, and Venan- 

 cio, Feb. 7, 1935. Rio de Janeiro, Rio Comprido, USNM 97235, A. Lutz. 

 Tijuca, USNM 81132, 96300-2, MZUM 68792, A. Lutz; MZUM 104249, 

 104275 (5), 104278 (5), Bailey, 1941. 



MiNAS Gerais: Agua Limpa, Ouro Prito, USNM 96997, A. Lutz, Oct. 22, 1923. 



Rio de Janeiro: Angra dos Reis, USNM 70591-2, 96519. Barro Branco, 

 MZUM 104263-4, Bailey, 1941. Guapi, Teres6poUs, USNM 97681-90, 

 Sandig, 1935. Montserrat, Campo Bello, USNM 96936, 96938-43, A. Lutz. 

 Niter6i, ZSBS 34/1947, A. Lutz, 1923. Sacco Sao Francisco, USNM 99122, 

 Venancio, Feb. 7, 1935. Petr6poUs, USNM 96417, 96430, A. Lutz. Tere- 

 s6polis, ZSBS 285, Bresslau, February-March 1929; ZSBS (3), Bresslau, 

 Mar. 22, 1929. 



Santa Catarina: Colonia Hansa, near Itapocd, ZSBS 661/20, Erhardt. 

 Humboldt, ZSBS 659/1920 (type of L. nanus), Erhardt; ZSBS 66/1920 (4; 

 paratypes of L. nanus), Erhardt. Joinville, NMS (2). Ouro Verde, ZSBS 

 (1), Loffler, Nov. 15, 1927. Rio Humboldt, MZUM 58509; USNM 66583, 

 118177-8. Rio Novo, NHMB 2767 (10), 3133 (5), Erhardt, 1916-9. 



Sao Paulo: Alto da Serra, USNM 96815-9 (cotypes of L. trivitlatus) , A. Lutz, 

 1922-4; USNM 97858, Cochran and Venancio, Apr. 25-26, 1935. Boracea, 

 DZSP 2729-32, Bokermann, January 1948. Ibitf, DZSP 2336, Lima, 1946. 

 Rio Paranalba, bridge 21 mi. above Araguari, CM 2688, Haseman, Aug. 15, 

 1908. 



Leptodactylus mystaceus (Spix) 



Plate 27, Figures g, h 



1824. Rana mystacea Spix, p. 27, pi. 3, figs. 1, 3 (type locality, Bahia, Solimoes). 



1904. Leptodactylus mystaceus M^ihely, p. 219, pi. 13, fig. 12. — L. MtJLLER, 1922, 

 p. 170.— NiEDEN, 1923, p. 487.— A. Lutz, 1924a, p. 235; 1926b, 

 pp. 147, 166, pi. 32, figs. 6, 7; 1930, pp. 10, 30.— Miranda-Ribeiro, 1926, 

 p. 141.— Parker, 1928, p. 99; 1935, p. 509.— Crawford, 1931, p. 30.— 

 Crawford and Jones, 1933, p. 89. — Mello-Leitao, 1937, p. 268. — 

 Carvalho, 1939a, p. 280.— Myers, 1946, pp. 10, 28.— B. Lutz, 1947, 

 pp. 247-248; 1949a, p. 4. 



