arbler.= DENDROICA NIGRESCENS. Summer
resident; not infrequent; breeds in pinon hills near Canyon City.

668. =Townsend's warbler.= DENDROICA TOWNSENDI. Summer resident; not
uncommon; western species, coming east to base of foothills and a few
miles out on plains; breeds from 5,500 to 8,000 feet in western
Colorado; in fall it is found as high as 10,000 feet.

672. =Palm warbler.= DENDROICA PALMARUM. Rare or accidental migrant; one
specimen seen.

674. =Oven-bird.= SEIURUS AUROCAPILLUS. Rare breeder, on Mr. Aiken's
authority.

675a. =Grinnell's water thrush.= SEIURUS NOVEBORACENSIS NOTABILIS. Rare
migrant; appearing from plains to 8,000 feet.

678. =Connecticut warbler.= GEOTHLYPIS AGILIS. Rare or accidental
migrant; one record by Mr. Aiken.

680. =Macgillivray's warbler.= GEOTHLYPIS TOLMIEI. Common summer
resident; breeds from base of foothills to 9,000 feet.

681. =Maryland yellow-throat.= GEOTHLYPIS TRICHAS. One taken at Colorado
Springs by Mr. Aiken.

681a. =Western yellow-throat.= GEOTHLYPIS TRICHAS OCCIDENTALIS. Common
summer resident, almost restricted to the plains; both sides of the
range.

683. =Yellow-breasted chat.= ICTERIA VIRENS. Accidental summer visitor.

683a. =Long-tailed chat.= ICTERIA VIRENS LONGICAUDA. Common summer
resident; scarcely found in the mountains, but frequent in the lower
foothills and on the plains; never seen above 8,000 feet.

685. =Wilson's warbler.= WILSONIA PUSILLA. Abundant summer resident;
centre of abundance in breeding season, 11,000 feet; known to breed at
12,000 feet; also as low as 6,000.

685a. =Pileolated warbler.= WILSONIA PUSILLA PILEOLATA. Summer resident;
not uncommon; Mr. Aiken thinks it as plentiful as preceding.

686. =Canadian warbler.= WILSONIA CANADENSIS. Rare or accidental
migrant; one record by Mr. Aiken.

687. =American redstart.= SETOPHAGA RUTICILLA. Summer resident; not
uncommon in eastern, rare in western, Colorado; breeds below 8,000
feet.

697. =American pipit.= ANTHUS PENSILVANICUS. Common summer resident;
breeds only on summits of the mountains.

701. =American dipper.= CINCLUS MEXICANUS. Resident; common in favorite
localities; one seen above timber-line in October.

702. =Sage thrasher.= OROSCOPTES MONTANUS. Summer resident; breeds from
plains to nearly 10,000 feet; western species, coming east to mountain
slopes.

703. =Mocking-bird.= MIMUS POLYGLOTTOS. Summer resident; common locally;
mostly on plains, but sometimes reaches 8