GEN. 71-74 OF KEY. 37 



172. POOSPIZA BILINEATA (Cass.) Scl. 



Black-tliroated Fincli. 



173. POOSPIZA BELLI (Cass.) Scl. 



Bell's Fincli. 



174. JUNCO HYEMALIS (L.) Scl. 



S»iio^vbii'«l. 



175? JUNCO OREGONUS (Towns.) Scl. 

 Oregon iino^^vbii'd. 



176? JUWCO CINEREUS (Sw.) Cab., 

 var. CANiCEPS (Wooclh.) Cs. 

 CinereoMS Snov» bird. 



177. SPIZELLA MONTICOLA (Gm.) Bd. 



Tree Sparron^ 



178. SPIZELLA SOCIALIS (Wils.) Bp. 



Cliipping- Sparroiv. 



178a. SPIZELLA SOCIALIS (Wils.) Bp., 

 var. ARIZONA Cs. 

 Arizona Cliipping- Sparroiv. 



179. SPIZELLA PUSILLA (Wils.) Bp. * 



Field Sparrow. 



180. SPIZELLA PALLIDA (Sw.) Bp. 



Clay-colored Sparrow. 



180a. SPIZELLA PALLIDA (Sw.) Bp., 

 var. BREWERi (Cass.) Cs. 

 Bre^rer'8 Sparrow^. 



181. SPIZELLA ATRIGULARIS (Cab.) Bd. 



Itlack-cliinned Sparrow. 



182. ZONOTRICHIA ALBICOLLIS (Gm.) Bp. 



^f bite-tliroated Sparrow. 



