406 BULLETIN 5 0, UNITED STATES NATIONAL MUSEUM 



Type locality. — Gorgona Island, Colombia. 



Uruhitinga anthracina Lawrence, Ann. Lye. Nat. Hist. New York, ix, 1869, 

 238 (Puna Island, w. Ecuador). — Ridgway, Proc. Boston See. Nat. Hist., 

 xvi, 1873, 63, part (Pund Island, w. Ecuador) ; U. S. Geol. and Geogr. Surv. 

 Terr., ser. 2, Bull. 2, 1876, 170 (Acajutla, El Salvador.)— Taczanowski, 

 Proc. Zool. Soc. London, 1877, 329 (Lechugal). — Berlepsch, Proc. Zool. 

 Soc. London, 1885, 119 (Pund. Island, w. Ecuador). — Salvin and Godman, 

 Biol. Centr. Amer., Aves, iii, 1900, 81, part (La Libertad, Salvador). — 

 Thayer and Bangs, Bull. Mus. Comp, Zool., xlvi, 1905, 144 (San Miguel 

 Island, Bay of Panama; crit.). 



Uruhitinga suhtilis Thayer and Bangs, Bull. Mus. Comp. Zool., xlvi, 1905, 94 

 (Gorgona Island, sw. Colombia). — Bangs, Bull. Mus. Comp. Zool., Ixx, 

 1930, 191 (El Salvador). 



Uruhitinga uruhitinga suhtilis Swann, Synopt. List. Accip., pt. 2, 1919, 58. 



Uruhitinga anthracina suhtilis Swann, Synop. Accip., ed. 2, 1922, 98. — Chapman, 

 Bull. Amer. Mus. Nat. Hist., Iv, 1926, 233 (distr. in Ecuador). 



Buteogalhis suhtilis Peters, Check-list Birds of World, i, 1931, 245. — Griscom, 

 Auk, 1, 1933, 303 (Rfo Chepo, Dari^n, Panama; 3 spec); Bull. Mus. Comp. 

 Zool., Ixxviii, 1935, 300 (Panama, coastal mangrove swamps, Darien and 

 Pearl Islands). 



Buteogallus anthracinus suhtilis Aldrich, Sci. Publ. Cleveland Mus. Nat. Hist., 

 vii, 1937, 44, 46, 48 (Azuero Peninsula, Panama; spec; meas.; crit.). — Wet- 

 more, Smiths. Misc. Coll., cvi. No. 1, 1946, 28 (San Jos6 Island, Pearl 

 Islands, Panama). 



Uruhitinga anthracina hangsi Swann, Snyop. Accip., ed. 2, 1922, 98 (San Miguel 

 Island, Bay of Panama; coll. Mus. Comp. Zool.); Monogr. Birds Prey, i, 

 1930, 460 (monogr.).— Bangs, Bull. Mus. Comp. Zool., Ixx, 1930, 191 (type 

 in Mus. Comp. Zool.). — Aldrich, Sci. Publ. Cleveland Mus. Nat. Hist., 

 vii, 1937, 49, in text (Pearl Islands). 



BUTEOGALLUS GUNDLACHII (Cabanis) 



Cuban Crab Hawk 



Adult (sexes alike). — General color brownish fuscous to brownish 

 fuscous-black, usually darker on the top of the head and underparts, 

 lighter on the wings; feathers of the occiput and nape and the inter- 

 scapulars with whitish bases, the under color showing through as 

 irregular mottling, the white tinged with pale tawaiy buff just below 

 the fuscous ends of the interscapulars; feathers of the upper back, 

 scapulars, and some of the inner upper wing coverts often narrowly 

 edged with pale tawny grayish; secondaries dark hair brown to pale 

 fuscous, broadly tipped with dark sepia to fuscous very narrowly 

 edged terminally with grayish white and indistinctly barred with dark 

 fuscous, especially the outer secondaries, the inner webs of which are 

 slightly washed or mottled with pale ochraceous; primaries with very 

 long dark fuscous-black tips, otherwise pale hair brown becoming 

 pure white on the inner portion of the basal area of the inner webs 

 of the five outermost feathers and mottled whitish on the inner ones, 

 the pale hair brown portions incompletely barred with fuscous; third 



