western species, coming east to western edge of plains.

455a. =Olivaceous flycatcher.= MYIARCHUS LAWRENCEI OLIVASCENS. Summer
visitor, rare, if not accidental; a southern species; taken once in
Colorado.

456. =Phoebe.= SAYORNIS PHOEBE. Rare summer visitor; comes west to
eastern border of the State.

457. =Say's phoebe.= SAYORNIS SAYA. Common summer resident; most
common on the plains; occurs on both sides of the range; the author
found it a little above Malta, at Glenwood, and in South Park.

459. =Olive-sided flycatcher.= CONTOPUS BOREALIS. Common summer
resident; breeds only in the mountains, from 7,000 to 12,000 feet.

462. =Western wood pewee.= CONTOPUS RICHARDSONII. Common summer
resident; most common in breeding season from 7,000 to 11,000 feet.

464. =Western flycatcher.= EMPIDONAX DIFFICILIS. Common summer resident;
breeds from plains to 10,000 feet, but most common in upper part of its
range.

466. =Traill's flycatcher.= EMPIDONAX TRAILLII. Fairly common summer
resident; most common on the plains, but occurs in mountains up to 8,000
feet; breeds throughout its Colorado range.

467. =Least flycatcher.= EMPIDONAX MINIMUS. Rare migrant; west to
eastern foothills; probably breeds, but no nests have been found.

468. =Hammond's flycatcher.= EMPIDONAX HAMMONDI. Common summer resident;
comes east only to the western edge of the plains; breeds as high as
9,000 feet.

469. =Wright's flycatcher.= EMPIDONAX WRIGHTII. Abundant summer
resident; breeds from 7,500 feet to 10,000.

474a. =Pallid horned lark.= OTOCORIS ALPESTRIS LEUCOLAEMA. Abundant
winter resident; literature on this bird somewhat confused on account,
no doubt, of its close resemblance to the next; winters on the plains
abundantly, and sparsely in the mountains.

474c. =Desert horned lark.= OTOCORIS ALPESTRIS ARENICOLA. Abundant
resident; winters on plains and in mountains up to 9,000 feet; breeds
from plains to 13,000 feet; raises two broods.

475. =American magpie.= PICA PICA HUDSONICA. Common resident; breeds
commonly on the plains and in the foothills and lower mountains; a few
breed as high as 11,000 feet.

478b. =Long-crested jay.= CYANOCITTA STELLERI DIADEMATA. Common
resident; seldom strays far east of the foothills; breeds from base of
foothills to timber-line; winter range from edge of plains almost to
10,000 feet.

480. =Woodhouse's jay.= APHELOCOMA WOODHOUSEI. Common resident; most
common along the base of foothills and lower w