a. Ad. sk. 



b. fS ad. sk. 



c. d. Ad. sk. 



e. 2 Imm. ; /. 



S ad. sk. 

 ^, 7i. (S ad. sk. 

 I. Imm. sk. 

 k. Ad. sk. 



/. c? ad. sk. 



7. CrPSELOIDES. 



San Cristobal, Cuba {G. F. 

 Gaumer). 



Jamaica, Sept. 22 {E. New- 

 ton). 



Jamaica {Gosse). 



Le Vefja, San Domingo, 

 July 27 (C. B. Cory). 



Guadeloupe, W. I. 



Martinique, W. I. 



St. Vincent, May {Dr. W. 

 Smith). 



Mernme Mts., Brit. Gvuana, 

 June 13 (If. Whitely). 



495 



Salvin-Godman Coll. 



Salvin-Godman Coll. 



Sclater CoU. 

 Salvin-Godman Coll. 



C. B. Cory Coll. 

 Purchased. 

 Salvin-Godman Coll. 



Salvin-Godman Coll. 



Subsp. a. Cypseloides borealis. 



Cypselus borealis, Kenn. Proc. Ac. Nat. Sc. Phil. 1857, p. 202. 

 Nephocajtes niger, Baird, B. N. Avier. p. 142 (1858). 

 Jsephoscetes borealis, <S<:7. P. Z. S. 1859, p. 236 (Vancouver Is.). 

 Cypseloides borealis, Scl. P. Z. S. 1865, p. 615 ; id. J. f. O. 1867, 



'p. 138. 

 Cypseloides niger, Lawr. Proc. U.S. Nat. Mus. i. pp. 459, 487 (1878) ; 



Midgw. Ma?i. N. Amer. B. p. 302 (1887) ; Gormley,Auk, v. p. 424 



Nephocsetes niger, var. borealis, Coues, Key N. Amer. B. p. 183 



(1872). 

 Nephoecetes mger, Baird, Brew., Sf Ridgw. N. A. B. ii. p. 429 



(1874). 

 Cypseloides niger borealis, Drew, Auk, ii. p. 17 (1885) ; Heiish. Auk, 



iii. p. 78 (1886) (migrat.). 



Adult. Similar to C. niger, from which it differs only by its 

 larger size, the wing measuring from 6-4 to 6-8 inches and oven 

 longer. 



Tounfj. Feathers of the lower (and upper ?) parts with white 

 edges terminally. 



Though Kennerly had apparently no idea of the smaller insular 

 form, his name must stand for the northern form, Gmelin's name 

 being founded on Brisson's " Hirunclo apus dominicensis." 



Uab. Western parts of North America from British Columbia and 

 Nevada south to Costa Rica. 



a. Ad. sk. 

 h, c. Imm. sk. 

 d, e. Ad. sk. 

 f,y. cS 2 imm- 



sk. 

 h. c? vix ad. sk. 



i-l. cJ 2 imm. 

 sk. 



N.W. America (Baird). 

 British Columbia. 

 Pitt River, N. California. 

 San Bernnrdino Mts., June 



(i?. B. Herron). 

 San Miguel Molino, Mexico 



(Ferrari-Perez). 

 Sierra Madre de Tepic, Mexico, 



June ( ir. B. liichardson). 



Sclater Coll. 

 J. K. Lord Coll. 

 Tweeddale CoH. 

 Salvin-Godman Coll. 



Salvin-Godman Coll. 



Salvin-Godman Coll. 



