Peters 1942 Sept. 13. Wolsey Canyon, Berkeley, Socpx., Alameda Co., Calif. one of these gave a weak call in characteristic tone and pattern, so that I was able to identify it definitely. House Wren, I singing intermittently in eucalyptus south of the mouth of the canyon (north of Greek Theatre). Cedar Waxwing - flocking nine flying over canyon, Green-backed Goldfinch - 1 along south edge. Sept. 20 7:30-9:30 A.M. (in company with Prof. W. Storer). walked along north edge up to horsepath crossing canyon just west of large Baccharis patch. Red-tailed Hawk, 1 Sparrow Hawk, 1 Calif. Quail, two flocks: one near canyon mouth, the other along the willow draw, consisting of two family groups, one of two adults with 7 yng. undergoing what app. post- juvenal molt; the others, nearby and earlier apparently combined with the first had two adults and at least 8 full grown young. Horned Owl - 1 pr. in lower part of canyon; both members of pair called, sometimes individually, sometimes together;