ORDER PASSERES. 223 



[B ZZlipart, c l6l > R J 97 c 2 32.] 



GEOG. DIST. Eastern North America to the Plains, from Nova 

 Scotia and Ontario southward; breeds from Virginia, Kentucky, 

 and Missouri northward. 



540 <r. Poocaetes gramineus confinis BAIRD. 



Western Vesper Sparrow. 



Pooc&tes gramineus var. confinis BAIRD, B. N. Am. 1858, 448 (in 

 text). 



[ B 3371/^4 C l6 itf, R 1970* c 2 3 2 -] 



GEOG. 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. 



540/>. Poocaetes gramineus affinis MILLER. 



Oregon Vesper Sparrow. 



Poocates gramineus affinis MILLER, Auk, V. Oct. 1888, 404. 



[B 337, part, C i6ia,#art, R igja,part, C 232, part.} 

 GEOG. DIST. Northern California and western Oregon. 



GENUS AMMODRAMUS SWAINSON. 



Ammodramus SWAINS. Zool. Journ. III. 1827, 348. Type, 

 Fringilla caudacuta WILSON. 



SUBGENUS PASSERCULUS BONAPARTE. 



Passerculus BONAP. Geog. & Comp. List, 1838, 33. Type, 

 Fringilla savanna WILS. 



541. Ammodramus princeps (MAYN.). 



Ipswich Sparrow. 



Passerculus princeps MAYN. Am. Nat. VI. 1872, 637. 

 Ammodramus princeps RIDGW. Pr. U. S. Nat. Mus. VIII. 1885, 

 354- 



