BIRDS OF NOKTH AND MIDDLE AMERICA. 53 



PETROCHELIDON FULVA FULVA (Vieillot), 

 CUBAN CLIFF SWALLOW, 



Similar to P. Iwnifrons melanogastra but smaller, with sides of head, 

 chin, and throat pale cinnamon-rufous, vinaceous-cinnamon, or whitish 

 tinged with cinnamon, instead of deep chestnut; lower throat without 

 trace of blackish spot; rump deeper chestnut, and back more broadly 

 streaked with white. 



Adults {sexes alike). — Forehead deep chestnut, forming a broad 

 frontal patch, less sharply defined posteriorly and less pointed at 

 extremities than in P. lunifrons and its subspecies; crown and occi- 

 put glossy blue-black or greenish black; hindneck brownish gray, 

 usually with the upper portion (next to black of pileum) chestnut; 

 back and scapulars glossy blue-black, the former conspicuously streaked 

 with white, especially along median portion; rump chestnut or deep 

 cinnamon-rufous; upper tail-coverts hair brown, sometimes with paler 

 margins; wings and tail dusky hair brown, the secondaries sometimes 

 with paler terminal margins; lores blackish; auricular, suborbital and 

 malar 'regions, chin, and throat varying from whitish, tinged with 

 cinnamon-rufous to between vinaceous-cinnamon and pale cinnamon- 

 rufous; chest, sides, flanks, and crissum similar in color to throat and 

 sides of head, but usually more or less tinged with pale grayish brown; 

 under tail-coverts hair brown, broadly margined with white (this 

 sometimes tinged with pale cinnamon-rufous); breast and abdomen 

 white; axillars and under wing-coverts light broccoli brown or hair 

 brown; bill black; iris brown; legs and feet horn color. 



Young. — Much duller in color than adults. Pileum, back, and scap- 

 ulars dull black; frontal patch much narrower and less distinct than 

 in adults, dull chestnut or cinnamon-brown; tertials and upper tail- 

 coverts broadly margined terminally with cinnamon; auricular region 

 dusky; chin and throat usually white, or verj' nearly so, sometimes 

 minutely flecked with dusky. 



Adult male.— Length (skins), 111-131 (123); wing, 101-108 (103.5); 

 tail, 42-47 (45); exposed culmen, 6.5-7.5 (7); width of bill at frontal 

 antise, 5.5-7 (6.2); tarsus, 11.5-12 (11.9); middle toe, 11-12 (11.3)." 



Adult female.— Length (skins), 121-129 (123.5); wing, 101-106 

 (103.7); tail, 44-48 (45.7); exposed culmen, 7; width of bill at frontal 

 antiffi, 6-6.5 (6.1); tarsus, 11-11.5 (11.2); middle toe, 11-11.5 (11. 2). » 



Island of Cuba (including Isle of Pines), Greater Antilles; island of 

 Haiti?." 



« Eleven specimens, from Cuba and Isle of Pines. 

 6 Four specimens, from Cuba and Isle of Pines. 



" I have not seen any specimens from the island of Haiti, and therefore am not 

 sure that the Curban birds are really the same form. 



