Marshall, 1939 General Comment Top of Aubrey Cliffs, 6500 ft., 15 mi. NW Seligman, Coconino Co., Ariz. May 28 Stopped here for lunch while on prospecting trip with truck. Rich timbered Upper Sonoran - good soil - heavy forest of juniper & pinyon, grass and abundant wild-flowers in clearings. Tops of a high-land, fairly level country. Hunted with slingshot - many W(?) Bluebirds - found one nest in hole near bottom of juniper - several young inside calling. Chippys abundant - 1 collected for identification - singing. Mockers & grey vireos abundant & singing as were Black-throated Grey Warblers (all these in the forest). Heard 2 Hairy (perhaps Downy Woodpeckers, & a Bewick Wren (singing). Several White-breasted [illegible] Nutatches heard & seen. Need. Vireos attracted very close by owl calls - in pairs. Several Ash-throated Flycatchers seen - alarmed about nest tree. Of particular interest were the grey Flycatchers, which were abundant (See species acct.)