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. Ybytirai, February 8, 1904. 



b. g ad. Sapucay, August 25, 1904. 



c. d. $ ; 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 Seissor-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, 

 llevista Mus. Paulista, vi. p. 323 (Paraguay). 



Molothrus rufoaxillaris Cassin, Proc. Acad. Nat. Sci. Philad. 

 1866, p. 23 (Buenos Ayres) j Sclater, Cat. B. Brit. Mus. 

 xi. p. 338. 



a. cT 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. 



Tordo 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, 

 llevista Mus. Paulista, vi. p. 323 (Paraguay). 



