607 
Birds of Paraguay. 
Family Hiuundinidjs. 
173. Tachycineta leucorrhoa. 
Golondrina rabadilla blanca Azara, Apunt. ii. p. 509. 
no. ccciv. (1805). 
Hirundo leucorrhoa Vieill. N. Diet. d’Hist. Nat. xiv. p. 519 
(1817: La Plata; Paraguay); Berlepsch, J. f. O. 1887, 
p. 114 (Paraguay). 
Tachycineta leucorrhoa Sharpe, Cat. B. Brit. Mus. x. p. 114 
(1885) ; Iheriog, Bevista Mus. Paulista, vi. p. 318 
(Paraguay). 
a. $ imm. Sapucay, April 5, 1904. 
[I have paid very little attention to the Swallows, and 
cannot say with certainty anything about this bird.— 
IF. F.] 
174. Progne domestica. 
Golondrina domestica Azara, Apunt. ii. p. 502. no. ccc. 
(1805). 
Hirundo domestica Vieill. N. Diet. d'Hist. Nat. xiv. p. 520 
(1817 : Paraguay). 
Progne domestica Sharpe, Cat. B. Brit. Mus. x. p. 177. 
Progne chalybea domestica Berlepsch, J. f. O. 1887, 
pp. 5, 114 (Lambare) ; Ihering, Bevista Mus. Paulista, vi. 
p. 318 (Paraguay). 
a. $ ad. Sapucay, August 24, 1904. 
[This species arrives here about the middle of August, 
but owing to the scarcity of nesting-places the number is 
always limited to thirty or forty individuals. Five eggs 
appear to be a full clutch. The birds migrate from here 
about the end of February or early in March.— W. F.~\ 
Family Muscicapid^e. 
175. PoLIOPTILA LACTEA. 
Polioptila laciea Sharpe, Cat. B. Brit. Mus. x. p. 453 
(1885 : South America) ; id. Hand-list B. iii. p. 242 (1901); 
Hellmayr, Nov. Zool. xiii. p. 316 (1906). 
Polioptila melanocephala Bertoni, Aves Nuev. Paraguay, 
p. 143. 
