Summer Birds, Southwestern South Dakota. 5 



Spizella pusilla arizona. Western Chipping Sparrow.— Quite nu- 

 merous in summer. Seen along Fall River, Beaver and Black-tail 

 Creeks. 



Pipilo ynaculatus arcticus. Arctic Towliee. — Frequently met with 

 in groves along the streams. Young observed early in August along 

 Horsehead Creek. 



Zamelodia melanocephala. Black-tieaded Grosbeak. — Several 

 broods were seen in the more mesophytic groves. 



Guiraca ccerulea lazula. Western Blue Grosbeak. — Certainly a 

 common summer resident. Broods were seen in practically all the 

 favorable localities visited. 



Passerina amcena. Lazuli Bunting. — We found a brood on July 

 24th, near Hot Springs. 



Calomospiza melanocorys. Lark Bunting. — A conspicuous bird on 

 the plains. 



Piranga ludoviciana. Western Tanager. — Quite numerous in the 

 pines of the foothill country — seen in four or five localities, es- 

 pecially between Hot Springs and Minnekahta. 



Petroclielhlon liiuifrons<. Cliff Swallow. — Large colonies were 

 found nesting on vertical cliffs along the streams. 



Hirundo erythrogastra. Barn Swallow. — A common summer oc- 

 cupant of sheds. 



Tacliycineta tlialassina lepida. Northern Violet-green Swallow. — 

 An abundant breeder about cliffs. Two nests were examined in 

 crevices in rock near Indian Creek. 



Riparia riparia. Bank Swallow. — Four or five colonies were 

 noted, two on Indian Creek, and two on the Cheyenne River. 



Laniits ludovicianus exciihitorides. White-rumped Shrike.— Nests 

 abundantly in the cottonwoods along the Cheyenne River and other 

 large streams. 



Vireosylva oHvacca. Red-eyed Vireo. — Abundant late in July in 

 the wooded valleys. 



Vireosylva gilva stcainsoni. Western Warbling Verio. — Scarcely 

 a rare breeder along the canyons in the foothills. 



Dendroica (r. crstiva. Yellow Warbler. — Abundant in deciduous 

 groves and thickets along the creeks. 



Geothlyptes trichas occidentalis. Western Yellow-throat. — Com- 

 mon on Horsehead Creek, near Oelrichs. Birds in juvenile plum- 

 age were seen there. 



Icteria virens longicauda. Long-tailed Cliat. — A common summer 

 resident along the wooded stream valleys. 



Mimus poJyglottos leucopterus. Western Mockingbird. — A fledg- 

 ling barely able to fly was collected July 27th, near Minnekahta. 



