874 APPENDIX. 
COUES KEY, 1884. a UNION LIST, 1886. 
236. Coturniculus henslowi. 547. Ammodramus henslowii. 
237. lecontii. 548. leconteii. 
238. Ammodramus maritimus. | 500. maritimus. 
239. maritimus nigrescens. dol. nigrescens. 
240. caudacutus. 549. caudacutus. 
241. caudacutus nelsoni. 549a. caudacutus nelsoni. 
242. Melospiza lincolni. | 585. Melospiza lincolni. 
243. palustris. | 584. georgiana. 
244. fasciata. ole fasciata. 
245. fasciata fallax. | 858la. fasciata fallax. 
5810. fasciata montana. 
245 bis. Add: Melospiza fasciata montana. MouNTAIN SONG-SPARROW. Resem- 
bling M. f. fallax, and scarcely distinguishable. Upper parts umber-brown with gray 
margins of the feathers, giving a strong grayish cast to the plumage; the back streaked with 
blackish-brown, and the streaks of the under parts also of this color. This is the form 
occurring in the Great Basin at large. The Auk, July, 1884, p. 224. 
246. Melospiza fasciata heermanni. 58lc. Melosviza fasciata heermanni. 
247. fasciata samuelis. 58ld. fasciata samuelis. 
248. fasciata guttata. 581e. fasciata guttata. 
249. fasciata rufina. 581f. fasciata rufina. 
250. cinerea. 582. cinerea. 
251. Peucea exstivalis. 575. Peuceea eestivalis. 
25pe wstivalis illinoénsis. 575a. estivalis bachmanii. 
2538. estivalis arizone. 576. arizone. 
577. mexicana. 
253 bis. Add: Peuceea mexicana. MEXICAN SUMMER FINCH. Upper parts gray suf- 
fused with bay, streaked on most of the back with bold black bay-edged stripes; crown similar, 
rather darker, in smaller pattern of the markings and without lighter median line. Bend of 
wing yellow; coverts blackish, with broad grayish-bay edgings; flight-feathers dusky, several 
inner secondaries blackish, with firm light edgings. Tail-feathers dusky, with obsolete 
searcely discernible cross-waves, the middle pair with paler edges their whole length, the 
lateral ones fading toward their ends. Under parts pale grayish-brown, blanching on the 
throat and abdomen, unstreaked excepting for a slight pair of black maxillary stripes. Bill 
dark corn-color; feet light brown. Length 6.50; wing 2.65; tail 2.80; tarsus 0.80. (Described 
from Mexican specimens.) Mexico to the Valley of the Lower Rio Grande in Texas; a late 
addition to our Fauna. 
254. Peucsea cassini. 578. Peucsea cassini. 
255. ruficeps 580. ruficeps. 
256. ruficeps boucardi. 580a. ruficeps boucardi. 
000. [See Key, p. 375. 5800. ruficeps eremceca. 
257. Peucea carpalis. 579. carpalis. 
258. Amphispiza bilineata. 573. Amphispiza bilineata. 
259. belli. 574. belli. 
260 belli nevadensis. B74. 5. belli nevadensis. 
261. Junco hiemalis.? 567. Junco hyemalis. 
262. hiemalis aikeni. 566. aikeni. 
1 The snow-bird which breeds on the mountains of North Carolina has been named as a variety, J. h. caro- 
linensis, but the characters adduced do not seem satisfactory. The Auk, Jan. 1886, p. 108. 
ii 
