250 Bulletm American Museum of Natural History. [Vol. XXXVI, 



Cymindis uneinatus Scl. & Salv., F. Z. S., 1879, p. 541 (Medellin). 

 Leptodon uneinatus Allen, Bull. A. M. N. H., XIII, 1900, p. 131 (Bonda). 



A female from Rio Frio. 



(660) Leptodon palliatus (Temm.). 



Falco palliatus Temm., PI. Col., I, 1823, pi. 204 (Brazil). 

 Leptodon palliatus Hellm., P. Z. S., 1911, p. 1204 (Tad6). 

 Leptodon cayanensis Auct. (cf. Hellm., I. c); Allen, Bull. A. M. N. H., XIII, 

 1900, p. 131 (Masinga). 



An immature male collected by Mrs. Kerr appears to be the only recorded 

 instance of the capture of this widely distributed species in Colombia. 

 Baudo, 1. 



(664) Harpagus bidentatus (Lath.). 

 Falco bidentatus Lath., Ind. Orn., I, 1790, p. 38 ("Cayana"). 



We have three adult and five immature specimens, all from the Tropical 

 Zone. 



Dabeiba, 2; Bagado, 2; Cisneros, 1; Puerto Valdi via, 4. 



(666) Ictinia plumbea (Gmel.). 



Falco plumbev^ Gmel., Syst. Nat., I, 1788, p. 283 (Cayenne). 

 Ictinia plumbea Scl. & Salv., P. Z. S., 1879, p. 541 (Concordia; Remedies); 

 Allen, Bull. A. M. N. H., XIII, 1900, p. 131 (Valparaiso; Manaure). 



. Not uncommon in the Tropical Zone and ranging upward to the Sub- 

 tropical Zone. 



Call, 2; Villavicencio, 2. 



(669) Falco fusco-cserulescens Vieill. 



Falco fusco-ccerulescens Vieill., Nouv. Diet. d'Hist. Nat., XI, 1817, p. 90 (Para- 

 guay). 



Fuertes secured a specimen at Call. 



(671) Falco rufigularis Baud. 



Falco rufigularis Datjd., Traits, II, 1800, p. 131 (Cayenne) ; Allen, Bull. A. M. 

 N. H., XIII, 1900, p. 131 (Minca). 



Hypotriorchis rufigularis Scl. & Salv., P. Z. S., 1879, p. 541 (Nech6). 



