202 BULLETIN 5 0, UNITED STATES NATIONAL MUSEUM 



Range. — Puerto Rico, where rare and apparently confined to a 



small area in the forested hills above Maricao ; range formerly probably 



more extensive (bones found in cave near Morovis). 

 Type locality. — Maricao, Puerto Rico. 



Accipiter striates venator Wetmore, Proc. Biol. Soc. Washington, xxvii, 1914, 

 119 (Cerro Gordo, Maricao, Puerto Rico; coll. U. S. Nat. Mus.); U. S. 

 Dept. Agr. Bull. 326, 1916, 33 (Puerto Rico; food, etc.).— Struthers, 

 Auk, xl, 1923, 472 (near Maricao, Puerto Rico, Nov. 11, Dec. 26).— 

 Wetmore, New York Acad. Sci., ix, pt. 3, 1927, 320 (genl., Puerto Rico).— 

 Danforth, Journ. Dept. Agr. Puerto Rico, xv, 1931, 47 (near Maricao; 

 hills east of Mayagiiez, Puerto Rico). — Peters, Check List Birds of World, 

 i, 1931, 221.— Bond, Birds West Indies, 1936, 414; Check List Birds West 

 Indies, 1940, 21 (Puerto Rico; very rare and local); ed. 2, 1945, 21. 



Accipiter fuscus venator Swann, Synop. Accip., pt. 1, 1921, 52 (Puerto Rico). 



Accipiter venator Stresemann, Journ. fiir Orn., Ixxii, 1924, 436 (crit.; tax.). 



Accipiter velox venator Swann, Monogr. Birds Prey, 1, 1926, 290 (monogr.). 



Accipiter striatals Wetmore, Bull. Amer. Mus. Nat. Hist., xlvi, 1922, 306 

 (bones from cave near Morovis). 



Accipiter fringilloides (not of Vigors) Phillips, Verh. 6th Internat. Orn. Kongr., 

 1929, 517, in text, part (Puerto Rico). 



accipiter chionogasteb chionogasteb (kanp) 

 Guatemalan Sharp-shinned Hawk 



Adult male. — Whole top of head sooty black; nape sooty black with 

 pure w^hite bases to the feathers, giving this area a somewhat mottled 

 appearance; remainder of upperparts fuscous black, with a slight 

 grayish tinge on the scapulars and tertials, which also have large 

 concealed white spots; upper tail coverts narrowly tipped with white 

 and with concealed white spots toward their bases; tail between hair 

 brown and mouse gray above, pallid neutral gray below, white toward 

 the bases of the inner webs of the outer rectrices, narrowly tipped 

 with white and crossed by five broad bands (distinctly broader than 

 the paler interspaces) of fuscous-black (fuscous below). Cheeks and 

 lower part of ear coverts white, narrowly streaked with black; upper 

 part of ear coverts and sides of neck black like the upper surface; 

 entire underparts, except the tibiae, which are light ochraceous-buff, 

 pure wdiite, with fine blackish shaft streaks on the chin, throat, and 

 upper breast. Wings fuscous above, grayish on the inner secondaries, 

 which are narrowly tipped with white, pallid neutral gray below, 

 white toward the bases of the inner webs, and regularly banded with 

 darker fuscous. Iris blood red; tarsi and toes bright yellow to 

 ocher; cere and eyelids gallstone yellow to olive-green. 



Adult female. — Similar to the male, but slightly paler, more slatey 

 and more brownish above, and generally larger; iris said to be orange 

 by Kaup (Proc. Zool. Soc. London, 1851, 41, 42). 



Immature. — Entire upperparts fuscous, darkest on the crown, with 



