47 7 
Paraguay , Bolivia , and Southern Brazil. 
it breeds freely in the locality, but I did not succeed in 
taking eggs. 
275. PoDILYMBUS POJDICEPS. 
Podilymbus podicipes Grant, Cat. B. xxvi. p. 553; Arg. 
Orn. ii. p. 206. 
a. $ ad. Los Ynglases, Ajo. Jan. 22, 1909. 
This bird is in full winter dress. It is the only specimen 
of this Grebe that I saw. It was shot on a large open sheet 
of water. 
Fam. TiNAMiDiEh 
276. Crypturus undulatus. 
Crypturus undulatus Salvad. Cat. B. xxvii. p. 5:27. 
a. S • Mortero, Paraguay. Aug. 13, 1909. 
This example, apparently an adult, does not altogether 
agree with the specimens in the British Museum obtained 
by Prof. Graham Kerr on the Rio Pilcomayo, and by 
Mr. Foster at Sapucay, respectively. It is nearer to the 
Rio Pilcomayo specimen, except that the top of the head 
and the primaries are much paler. 
277. Crypturus tataupa. 
Crypturus tataupa Arg. Orn. ii. p. 208; Salvad. Cat. B. 
xxvii. p. 525. 
a. $ ad. Riacho Ancho, Chaco, N. Argentine. July 30, 
1909. 
This specimen is identical with Mr. Foster’s and other 
specimens from Paraguay. It still retains in the left 
wing one inner secondary of the immature plumage, but is 
otherwise quite adult. 
278. Rhynchotis rufescens. 
Rhynchotis rufescens Arg, Orn. ii. p. 209 ) Salvad. Cat. B, 
xxvii. p. 548. 
a, b. £ ? imm. Cape San Antonio. Dec. 17, 18, 1908. 
c. $ ad. Tuyu, Ajo. May 13, 1909. 
d. S ad. Colonia Mihanovitch. Nov, 5, 1909, 
