BIRDS OF NORTH AND MIDDLE AMERICA 409 



Uruhitinga anthracina (not Falco anthracinus Lichtenstein) Sharpb, Cat. Birds 

 Brit. Mus., i, 1874, 215, part (in synonymy); Hand-list, i, 1899,258, part 

 (Cuba).— Cory, I-ist Birds West Indies, 1885, and revised ed., 1886, 22, 

 part (Cuba); Auk, iv, 1887, 42, part (Cuba; Jamaica?); Birds West Indies, 

 1889, 200, part (Cuba; Jamaica?); Cat. West Indian Birds, 1892, 99, part 

 (Cuba; Jamaica?). — Gundlach, Orn. Cubana, 1893, 18. — Bangs and 

 Zappet, Amer. Nat., xxxix, 1905, 191 (Isle of Pines). — Chubb, Birds Brit. 

 Guiana; i, 1916, 248, part (Cuba). 



? Uruhitinga anthracina Scott, Auk, viii, 1892, 127 (Jamaica, fide Gosse). — 

 ScLATER, Rev. List Birds Jamaica, 1910, 13. 



Buteogallus gundlnchii Peters, Check-list Birds of World, i, 1931, 245. — Bond, 

 List Birds West Indies, 1940, 24 (West Indies; Cuba, local about Ensenada 

 de Cochinos and cays of nortli coast of Camagfiey; Isle of Pines — common in 

 southern portion); ed. 2, 1945, 24. 



Buteogalhu gundlachi Bond, Birds West Indies, 1936, 68 (in text; egg meas.), 69, 

 414 (West Indies; descr.; distr.; local names; crit.). — Barbour, Mem. 

 Nuttall Orn. Club, No. 9, 1943, 35 (Cuba). 



Buteogallus anthracinus gundlachi Bond, Birds West Indies, 1936, 69, in text 

 (West Indies; Cuba and Isle of Pines; doubtful straggler to Jamaica; descr.; 

 distr.) . 



Genus BUSARELLUS Lesson 



Busarellus "La Fresnaie" Lesson, Echo du Monde Savant, s6v. 2, viii, Sept. 10, 

 1843, 468 {ex Lafresnaye, Rev. Zoo!., ii, 1839, 196 = nomen nudum). (Type, 

 by monotypy and tautonymy. Circus busarellus Viei\\ot = Falco nigricollia 

 Latham.) 



1 chthyoborus Kaup, Mus. Senckenb., iii. Heft 3, 1845, 261. (Type, by monotypj% 

 Circus busarellua Vieillot= /^aZco nigricollis Latham.) 



Icthyoborus (emendation) Bonaparte, Consp. Gen. Av., i, 1850, 17. 



Medium-sized Buteolike Haliaeeti (wing about 380-445 mm.) with 

 middle toe less than three-fifths as long as tarsus, the latter three- 

 fourths as long as tail; outstretched feet reaching to beyond tip of 

 tail; four outer primaries with inner webs shallowly and obliquely 

 sinuated; feathers of thighs short, not plumelike, and culmen not 

 longer than claw of hallux. 



Bill rather narrow, compressed (its width at base of culmen about 

 three-fifths its height at same point), the distance from base of cere, on 

 top, to tip of maxilla equal to only about three-fourths the length of 

 middle toe, without claw; culmen about as long as claw of hallux, 

 strongly and regularly decurved from base, the maxillary tomium 

 relatively long (approximately half the length of corneous rhinotheca) ; 

 gonys a little more than two-fifths as long as culmen; nearly straight, 

 slightly ascending terminally; maxillary tomium very slightly if at all 

 sinuated, but usually with a very slight convexity in middle portion; 

 anterior outline of cere directly transverse across base of culmen, 

 slightly advanced and convex in front of nostril thence nearly straight 

 and strongly receding, becoming faintly concave near low^er end; nostril 

 obliquely ovate (rather nearer to vertical than horizontal) beveled ofT 

 anteriorly to edge of cere. Wing relatively large, but rounded, the 



