342 Bird Studies. 



ORDER PASSERES. PERCHING BIRDS. (Continued^ 

 SUBORDER OSCINES. SONG BIRDS. (Continued^) 



FAMILY FRINGILLID^B. FINCHES, SPARROWS, ETC. (Continued.) 

 GENUS AMMODRAMUS SWAINSON. (Continued.} 

 Ammodramus leconteii (Aud.). 



Leconte's Sparrow. 

 Ammodramus caudacutus (Gmel.). 



Sharp-tailed Sparrow. 

 Ammodramus caudacutus nelsoni Allen. 



Nelson's Sparrow. 

 Ammodramus caudacutus subvirgatus Dwight. 



Acadian Sharp-tailed Sparrow. 

 Ammodramus maritimus (Wils.). 



Seaside Sparrow. 

 Ammodramus maritimus peninsulas Allen. 



Scott's Seaside Sparrow. 

 Ammodramus maritimus macgillivrayi Aud. 



Louisiana Seaside Sparrow. 

 Ammodramus nigrescens Ridgw. 



Dusky Seaside Sparrow. 

 GENUS CHONDESTES SWAINSON. 

 Chondestes grammacus (Say). 



Lark Sparrow. 



GENUS ZONOTRICHIA SWAINSON. 

 Zonotrichia leucophrys (Forst.). 



White-crowned Sparrow. 

 Zenotrichia albicollis (Gmel.). 



White-throated Sparrow. 



GENUS SPIZELLA BONAPARTE. 

 Spizella monticola (Gmel.). 



Tree Sparrow. 

 Spizella socialis (Wils.). 



Chipping Sparrow. 

 Spizella pallida (Swains.). 



Clay-colored Sparrow. 

 Spizella breweri Cass. 



Brewer's Sparrow. 

 Spizella pusilla (Wils.). 



Field Sparrow. 

 Spizella pusilla arenacea Chadb. 



Western Field Sparrow. 



GENUS JUNCO WAGLER. 

 Junco hyemalis (Linn.). 



Slate-colored Snow-bird. 

 Junco hyemalis connectens Coues. 



Hybrid Snow-bird. 



