112 BULLETIN 5 0, UNITED STATES NATIONAL MUSEUM 



to white basally, where they are narrower; iris yellowish glaucous; 

 feet lemon-yellow. 



Immature male. — Like the adult female, but slightly paler above, less 

 heavily barred below, the bars being more hair brown than russet, 

 and with about five light bars in the tail. 



Immature female. — None seen. 



Juvenal. — Said to be brownish gray above, the feathers bordered 

 terminally with pale rusty; remiges indistinctly banded with darker; 

 tail ash gray, becoming gradually white at the extreme base, narrowly 

 tipped with the same, and crossed by six narrow bands of dull fuscous- 

 black; head plain pale ashy, becoming gradually white on the throat; 

 beneath white, distinctly and narrowly barred with brownish. 



Natal down. — Not known. 



Adult male (two specimens). — Wing 240-244; tail 177-178; culmen 

 from cere, 35.5-37.5; tarsus, 29-30; middle toe without claw, 

 26-27 mm. 



Adult female (two specimens including type). — Wing 251-262; 

 tail, 181-188; culmen, from cere, 35-38.5; trasus, 28-30; middle toe, 

 without claw, 28-29 mm. 



Bange. — Cuba; confined to the eastern part of the island where the 

 arboreal snail on which it feeds, Polymita picta, is found; said to be 

 very local. 



Type locality. — Near Gibara, Cuba. 



Cymindis wilsonii Cassin, Proc. Acad. Nat. Sci. Philadelphia, iii, 1847, 199, 200 

 (Gibara, Cuba; coll. Acad. Nat. Sci. Philadelphia). — Sclater, Proc. Zool. 

 Soc. London, 1857, 3, in text (crit.). 



Cymindis wilsoni Cassin, Journ. Acad. Nat. Sci. Philadelphia, ser. 2, i, pt. 1, 1847, 

 21, pi. 7 (reprint of orig. descr.). — Bonaparte, Consp. Gen. Av., i, 1850, 21. — 

 Strickland, Orn. Syn., i, 1855, 129.— Lawrence, Ann. Lye. Nat. Hist. 

 New York, vii, 1860, 257 (crit.).— Gray, Hand-list, i, 1869, 28, No. 255.— 

 Pelzeln, Orn. Bras., Abth. 4, 1870, 398. — Sclater and Salvin, Nom. Av. 

 Neotr., 1873, 122. 



Pernis (Regerhinus) wilsoni Katjp, Archiv fur Naturg., 1850, i, 40. 



Regerhinus wilsoni Bonaparte, Rev. Mag. Zool., vi, 1854, 534. — Ridgway, 

 U. S. Geol. and Geogr. Surv. Terr., ser. 2, Bull. 2, 1876, 159 (monogr.).— 

 GuRNEY, Ibis, 1880, 321, in text (color of bill, etc.); List Diurn. Birds Prey, 

 1884, 88; Cat. Birds Prey, 1SG4, 27, 32.— Cory, Cat. West Indian Birds, 

 1892, 139 (crit.).— Gundlach, Orn. Cubana, 1895, 13.— Stone, Proc. Acad. 

 Nat. Sci. Philadelphia, 1899, 31 (type spec; crit.). 



Regerhinus wilsonii Brewer, Proc. Boston Soc. Nat. Hist., vii, 1860, 306. — 

 Gundlach, Journ. fur Orn., 1861, 322; Rep. Fisico Nat. Cuba, i, 1865-66, 

 222; .Journ. fur Orn., 1871, 360 (habits; crit.); Contr. Orn. Cubana, "1876" 

 = (1873), 35; Cat. Aves Cubana, Anales Soc. Esp. Hist. Nat., ii, 1873, 98.— 

 Cory, List Birds West Indies, rev. ed., 1886, 23; Auk, iv, 1887, 47; Birds 

 West Indies, 1889, 205. 



Leptodon wilsoni Sharps, Cat. Birds Brit. Mus., i, 1874, 333; Hand-list, i, 1899, 

 269. 



Regerhinus uncinatus wilsoni Swann, Sj^nopt. List Accip., pt. 3, 1920, 100. 



