8 CONTENTS. 



Order Passeres: Perching birds — Continued. 



Family Tyrannidae: TjTant flycatcliers — Continued. Page. 



Traill flycatcher 164 



Hammond flycatcher 165 



Family Alaudidse: Larks 165 



Desert horned lark 165 



Family Corvidee: Crows, jays, magpies, etc 165 



Magpie 165 



Black-headed jay 165 



Rocky Mountain jay 166 



Raven 167 



Western crow 167 



Clark nutcracker 167 



Family Icteridae: Blackbirds, etc 169 



Sagebrush cowbird 169 



Thick-billed redwing 169 



Western meadowlark 170 



Brew€>r blackbird 170 



Family FringilUdae: Finches, sparrows, etc 171 



Western evening grosbeak 171 



Rocky Mountain pine grosbeak 171 



Cassin purple finch 172 



Crossbill 173 



White-winged crossbill 173 



Gray-crowned leucosticte 173 



Redpoll 174 



Pine siskin 174 



Snow bunting 175 



Alaska longspur 175 



Chestnut-collared longspur 175 



McCown longspur 176 



Western vesper sparrow 176 



Western Savannah sparrow 176 



Western lark sparrow 176 



WTiite-crowned sparrow 177 



Gattibel sparrow 177 



Western tree sparrow 177 



Western chipping sparrow 177 



Montana junco 177 



Mountain song sparrow 178 



Lincoln sparrow 178 



Slate-colored fox sparrow 178 



Arctic towhee 179 



Black-headed grosbeak 179 



Lazuli bunting 180 



Family Tangaridse : Tanagers 180 



Western tanager 180 



Family Hirundinidse: Swallows 180 



Cliff swallow 180 



Barn swallow 180 



Tree swallow 180 



Northern violet-green swallow 181 



Bank swallow 181 



