CHECK LIST OF NORTH AMERICAN BIRDS. 55 



254. Peucsea cassini (Woodh.) Bd. B 371. c ITO&W. R 228. 



Cassin's Summer Finch. 



255. Peucsea mficeps (Cass.) Bd. B 372/0 m. R 230. 



Rufous-crowned Summer Finch. 



256. Peucaea ruficeps boucardi (Scl.) Ridg. B . c . R 230a. 



Boucard's Summer Finch. 



257. Peucsea carpalis Coues. B . c nibis. R 229. 



Bendire's Summer Finch. 



258. Amphispiza bilineata (Cass.) Coues. B 355. c 172. R 224. 



Black-throated Finch. 



259. Amphispiza belli (Cass.) Coues. B 356. c 173. R 225. 



Bell's Finch. 



260. Amphispiza belli nevadensis Ridg. B . c I73a. R 225a. 



Nevada Finch. 



261. Junco hiemalis (L.) Scl. B 354. c 174. R 217. 



Common Snowbird. 



262. Junco hiemalis aikeni Ridg. B . c I74a. R 216. 



White-winged Snowbird. 



254. P. cas'-sln-i. To John Cassin, of Philadelphia. 



255. P. ru'-fl-ceps. Lat. rufus, reddish, and -ceps, a termination denoting the head; from 



256. P. r. bou-car'-dl. To Adolphe Boucard, a French naturalist, who collected in Mexico and 



Central America. 



257. P. car-pa'-Hs. Gr. Kapwos, fruit, berry, grain ; also, the wrist ; Latinized as carpus. The 



derivation supposed to be icdpQw, I gather, as fruit ; Lat. carpo, I take, seize. The quasi- 

 Latin carpus is only used as signifying the wrist ; the adjective carpalis is an arbitrary 

 form, denoting of or pertaining to the wrist ; carpus and carpal are common terms in 

 anatomy. The allusion is to the bright color on the carpal-joint of the bird's wing. 



258. Am-phl-spl'-za bl-lm-g-a'-ta. Gr. d/*</>{, on both sides, and enrffa, a finch ; in allusion to 



the close relation of the genus to those about it. See Afelospiza, No. 242. Lat. bilineata, 

 two-lined ; bis, twice, and lineatus, striped ; linea, a line : see Linaria, No. 207. 

 This is the Poospiza bilineata of the first ed. of the Check List. 



259. A. belMI. To J. G. Bell, of New York. 



260. A. b. ngv-a-den'-sis. To the Territory of Nevada. It were better written nivadensis,'m 



Latin, but is directly from the Spanish adjective nevada, snowy, white as snow ; Lat. 

 niveus, snowy, from nix, genitive, nh-is, snow. The Territory was named for the snow- 

 capped peaks of its Sierras Nevadas. 



261. Jun'-co [pronounced yooncoj hl-e-ma'-lls. Lat. juncus, a reed or rush; cf. jungo, I join, 



junctus, joined; either, reeds growing densely together, or used as withes to bind with 1 ? 

 For hiemalis, see Anorthura, No. 76. 



262. J. h. ai'-kgn-i. To Charles E. Aiken, of Colorado, its discoverer. 



This and several other connecting forms of Junco (Nos. 264, 266, 267) are not in 

 the orig. ed. of the Check List. 



