74 Mr. Charles Chubb on the 



Hypomorphnus urubitinga Berlepsch, J. i". O. 1887, p. 28 

 (Lam hare). 



( T rubitinga urubitinga Sharpe, Hand-list B. i. p. 258 (1899) ; 

 Ihering, llevista Mus. Paulista, vi. p. 338. 



a. J imm. Sapucay, March 8, 1904. 



Bill of a dark horn-colour ; tarsi and feet yellow ; iris 

 golden brown. 



This specimen is in full plumage, but retains a little of the 

 immature rufous colour on the breast and sides of the neck. 



29. ICTINIA FLUMBE \. 



Falco plumbeus Cm. Syst. Nat. i. p. 283(1788 : Cayenne). 



Alcon azulejo Azara, Apuut. i. p. 107. no. xxxvii. (1802). 



Tctinia plumbea Vieill. N. Diet. d'Hist. Nat. xvi. p. 7(5 

 (1817: Paraguay); Sharpe, Cat. B. Brit. Mus. i. p. 364 

 (1874); Herlepsch, J. f. O. 1887, p. 123 (Paraguay); 

 [hering, Elevista Mus. Paulista, vi. p. 339. 



a. ? ad. Ybytimi, January 31, L904. 



Bill black ; tarsi and feet orange-chrome ; iris crimson. 



30. Falco albioularis. 



Falco albogularis Daud.Traite, ii. p. 131 (1800 : Cayenne); 

 Sharpe, Cat. B.Brit. Mus. i. p. 401 (1874) ; Kerr, Ibis, 

 1892, p. 142 (Lower Pilcomayo) ; I hering, llevista Mus. 

 Paulista, vi. p. 339. 



Hypotriorchis melanogyne Bertoni, Aves Nuev. Paraguay, 

 p. H58 (1901 : Alto Parana), cf. Ihering, I.e. 



a. ? ad. Sapucay, March 26, 1904. 



Bill of a slate-colour ; cere and circle round the eye 

 yellow ; tarsi and feet pale orange. 



31. Cerctjneis australis. 



Falco sparverius var. australis Ilidgway, Hist. N. Amer. B. 

 iii. p. 166 (1874: Parana). 



Cerchneis sparveria cinnamomina Berlepsch, J. f. O. 1887, 

 p. 123 (Paraguay). 



Tinnunculus sparverius cinnamominus Ihering, llevista Mus. 

 Paulista, vi. p. 339. 



