igi8. CATALOGUE OF BIRDS OF THE AMERICAS CORY. 137 



*Nyctipolus hirundinaceus cearae Cory* CEARA NIGHTHAWK. 



Nyctipolus hirundinaceus cearae CORY, Field Mus. Pub., No. 193, Zool. Ser., XII, 

 No. I, 1917, p. 4 (Quixada, Ceara, Brazil). 



Range: Northeastern Brazil (Prov. of Ceara). 

 10 : Brazil (Quixada, Ceara, and Jua, Ceara). 



Four outer primaries of 



1. Nyctipolus hirundinaceus hirundinaceus (SPix), from drawing and description 

 of Spix's type given by Hellmayr (I.e.). 



2. Nyctipolus h. crissalis (CORY). Shafts of feathers in white areas black. 



3. Nyctipolus h. cearae CORY. Shafts of feathers in white areas white. 



Suborder CYPSELI. 

 Family CYPSELIDJE. Swifts. 



Genus CHAETURA Stephens. 

 Chaetura Stephens, Shaw's Gen. Zool., XIII, 1825, p. 76 (Hirundo pelagica Linn.). 



*Chaetura pelagica (Linn.). CHIMNEY SWIFT. 



[Hirundo] pelagica LINNAEUS, Syst. Nat., ed. 10, 1758, p. 192 (Carolina, U. S. A.). 

 Chaetura pelasgia AUDUBON, Bds. Am., Oct. ed., I, 1840, p. 164, pi. 44. 

 Chaetura pelagica HARTERT, Cat. Bds. Brit. Mus., XVI, 1892, p. 480; RIDGWAY, 

 Bull. U. S. Nat. Mus., No. 50, V, 1911, p. 717. 



Range: Eastern North America, north to south Labrador, Mani- 

 toba and Alberta (and accidental in southern Greenland) , west to border 



Nyctipolus hirundinaceus cearae CORY. Similar to the male of N. h. crissalis 

 (CORY), but the general plumage somewhat paler, the belly more rufous (especially 

 in females), and the black bands on the lower belly narrower and less distinctly 

 marked; all outer primaries with white band crossing both webs, the shafts of the 

 feathers in the white areas being white. Wing, 120; tail, 90 mm. 



