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



Cymindis undnatus Scl. & Salv., P. Z. S., 1879, p. 541 (Medellin). 

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



A female from Rio Frio. 



(660) Leptodon palliatus (Temm.). 



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

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

 Leptodon cayanensis Auct. (c/. 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 Valdivia, 4. 



(666) Ictinia plumbea (Gmel). 



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

 Ictinia plumhea 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-coirulescens Vieill., Nouv. Diet. d'Hist. Nat., XI, 1817, p. 90 (Para- 

 guay). 



Fuertes secured a specimen at Call. 



(671) Falco rufigularis Daud. 



Falco rufigvlaris Daud., Traite, 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 (Neoh6). 



