655. Myrtle warbler. Dendroica coronata. Common migrant; scarcely known west of the range.
656. Audubon's warbler. Dendroica auduboni. Abundant summer resident; breeds from 7,000 to 11,000 feet.
657. Magnolia warbler. Dendroica maculosa. Rare migrant; breeds northward.
658. Cerulean warbler. Dendroica rara. Rare migrant; one record.
661. Black-poll warbler. Dendroica striata. Rare summer resident; sometimes common in migration; one breeding record for the State—at Seven Lakes; altitude, 11,000 feet.
664. Grace's warbler. Dendroica graciæ. Summer resident; common in extreme southwestern part of the State.
665. Black-throated gray warbler. Dendroica nigrescens. Summer resident; not infrequent; breeds in pinon hills near Cañon 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.