644 
Mr. Charles Chubb on the 
dull yellow, more or less mixed with black. Bill, tarsi, and 
feet horn-coloured; iris brown. 
234. Molothrus bonariensis. 
Tanagra bonariensis Gm. Syst. Nat. i. p. 898 (1788: 
Buenos Ayres). 
Molothrus bonariensis Sclater, Cat. B. Brit. Mus. xi. p. 325 ; 
Berlepsch, J. f. O. 1887, p. 116 (Paraguay) ; Ihering, Revista 
Mus. Paulista, vi. p. 323 (Paraguay). 
a . $ imm. Ybytimi, February 8, 1904. 
b. S ad* Sapucay, August 25, 1904. 
c. d. S ? e. $ ad. Sapucay, September 9, 1904. 
[Resident and not uncommon throughout Paraguay, but 
not common enough to teach us anything about its parasitic 
habits. I believe that it lays in the nest of the Scissor-tail.— 
W. F] 
235. Molothrus brevirostris. 
Icterus brevirostris d’Orb. et Lafr. Syn. Av., Mag. de 
Zool. 1838, ii. p. 7 (Maldonado ; Corrientes ; Argentina) ; 
Berlepsch, J. f. O. 1887, pp. 10, 116 (Lambare) ; Ihering, 
Revista Mus. Paulista, vi. p. 323 (Paraguay). 
Molothrus rufoaxillaris Cassin, Proc. Acad. Nat. Sci. Philad. 
1866, p. 23 (Buenos Ayres) ; Sclater, Cat. B. Brit. Mus. 
xi. p. 338. 
a . S ad. Sapucay, October 25, 1902. 
b. imm. Sapucay, April 30, 1904. 
c. d , e. £ ad. Sapucay, June 1903-04. 
[Like the preceding species, this is not common enough 
to enable us to learn anything about its peculiar habits.— 
W. F.] 
236. Icterus pyrrhopterus. 
Tor do negro cobijas de canela Azara, Apunt. i. p. 318. 
no. lxxiv. (1802). 
Agelaius pyrrhopterus Vieill. N. Diet. d’Hist. Nat. xxxiv. 
p. 543 (1819: Paraguay). 
Icterus pyrrhopterus Sclater, Cat. B. Brit. Mus. xi. p. 368 ; 
Berlepsch, J. f. O. 1887, pp. 11, 117 (Lambare) ; Ihering, 
Revista Mus. Paulista, vi. p. 323 (Paraguay). 
