ORDER PASSERES. 223 
(3339, fe7t) C abr, Rito 7 C232] 
Groc. Dist.— Eastern North America to the Plains, from Nova 
Scotia and Ontario southward; breeds from Virginia, Kentucky, 
and Missouri northward. 
540 a. Pooczetes gramineus confinis Bairp. 
Western Vesper Sparrow. 
Poocetes gramineus var. confinis Barrp, B. N. Am. 1858, 448 (in 
text). 
[Bi337) part, C v61d, Ri 1974,;C .232.] 
Groc. Dist.— Western United States, from the Plains to the 
Pacific, north into Manitoba and Assiniboia, south into Lower Cali- 
fornia and through Mexico as far as Jalapa, Vera Cruz. 
5404. Pooceetes gramineus affinis MILLER. 
Oregon Vesper Sparrow. 
Poocetes gramineus affinis MILLER, Auk, V. Oct. 1888, 404. 
[B 337, part, C 1614, part, R 1974, part, C 232, part.| 
Geroc. Dist.— Northern California and western Oregon. 
Genus AMMODRAMUS Swainson. 
Ammodramus Swatins. Zool. Journ. III. 1827, 348. Type, 
Fringilla caudacuta WILSON. 
SuBGENUS PASSERCULUS Bonaparte. 
Passerculus Bonap. Geog. & Comp. List, 1838, 33. Type, 
fringilla savanna WILLS. 
541. Ammodramus princeps (Mavyv.). 
Ipswich Sparrow. 
Lasserculus princeps Mayn. Am. Nat. VI. 1872, 637. 
Ammodramus princeps Rrpcw. Pr. U.S. Nat. Mus. VIII. 1885, 
354- 
