POLYBORUS. 253 



tinged with orange-rufous or salmon-color. Male: 

 Wing 6.80-7.30, tail 4.90-5.20, culmen .46-.51, tarsus 

 1.30-1.45, middle toe .90. Female: Wing 7.00-7.60, 

 tail 4.70-5.60, culmen .50-.52, tarsus 1.40, middle toe 

 .91. Sab. Cuba and Haiti. 



F. dominicensis GMEL. Haitien Sparrow Hawk. 1 



Back rufous only in the female and young male, plumbeous or 

 dark bluish gray in adult male; breast, etc., deep rusty or 

 rufous ; forehead and ear-coverts dusky. 



Adult male : Above, except tail, entirely dark plumbeous, or 

 slate-gray, or else chiefly of this color; a blackish collar 

 across hind-neck ; breast and sides deep rufous, sometimes 

 inclining to chestnut ; throat grayish white, or light gray- 

 ish ; inner webs of quills grayish, transversely clouded or 

 mottled with dusky. Young male: Similar to adult, but 

 back and scapulars mixed with more or less of rufous, 

 rusty of breast paler, etc. Adult female : Lower parts 

 deep rusty ; inner webs of quills rusty, marked with about 

 twelve transverse bars or narrow spots of dusky. Male : 

 Wing 6.90-7.10, tail 4.80-5.10, culmen .50, tarsus 1.45-1.48, 

 middle toe .90. Female: Wing 7.00-7.50, tail 5.00-5.15, 

 culmen .50, tarsus 1.35-1.40, middle toe .88-.90. Hab. 

 Cuba and Haiti ; accidental or casual in southern Florida. 

 361. F. sparverioides YIG. Cuban Sparrow Hawk. 



GENUS POLYBORUS YIEILLOT. (Page 224, pi. LXYIL, fig. 2.) 



Species. 



COMMON CHARACTERS. Tail dull white, or pale isabella-color, narrowly barred 

 with grayish or dusky, and crossed at end by a broad band of dark brown or black- 

 ish. Adult : Whole top of head, together with greater portion of body and wings, 

 blackish, or dark brown ; cheeks, neck, chest, and tail-coverts dull white or pale 

 isabella-color; nape, back, and breast (sometimes wing-coverts and belly also) 

 barred with whitish (or pale isabella-color) and dusky. Young : Plumage striped 

 with dull brownish and dull whitish or dull buffy, the pileum plain dull brownish ; 

 tail as in adult. 



a 1 . Eump and upper tail-coverts, in adult, white (with or without bars) ; tail 

 white, the narrow bars grayish, the terminal dark band 2.00, or more, 

 wide. 



6 1 . Scapulars, breast, belly, and middle wing-coverts barred with blackish and 

 whitish in adult, striped in young ; tail-coverts barred ; wing 16.00-17.70, 



1 Falco dominicensia GMEL., S. N. i. 1788, 285. 



