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Show 263 men. I freqnently saw small Falcons, which I took to be Pigeon distances and under such circumstances that I did not succeed in No. 437 Sex. ? Jan. Locality. Walker's Basin, Cal Date. Aug. 38 Collector. H. W. Henshaw... Wing. a 30 Hawks, but at such procuring them. TaiL & 75 Bill. 0.53 Tarsns. 1.48 129. Falco sparverius, Linn.- Sparrow Hawk. In California, as throughout the West generally, the Sparrow Hawk is very numerous. The dry hills along the coast near Santa Barbara were resorted to by great numbers of these birds in July, and in following the line of the telegraph one of them was to be seen perched on one of the poles at intervals of every few yards. No. Sex. 368 I $ Locality. Tejon Mountains, Cal Date. Aug. 7 Collector. H. W. Henshaw. 130. Pandion halicetus, ( Linn.), var. carolinensis, Gmel.- Fish Hawk. Present throughout California, both in the interior where the streams are stocked with fish, and on the coast, but more particularly the latter. 131. Circus cyaneus, ( Linn.), var. hudsonius, Linn.- Marsh Hawk. The open country everywhere is visited by this Hawk, which is very numerous in California. Resident in the southern part. No.) Sex. 596 | cf ad. 597 ' 9 673 i cf ad. Walker's Basin, Cal.. do do Locality. Date. Oct S3 Oct. 23 Nov. 9 Collector. H. W. Henshaw. Do. • Do. 132. yi9U8fu8cu$ 9 Gmel.- Sharp- shinned Hawk. A common resident throughout Southern California. This little Hawk is of a bold, dashing disposition, preying indiscriminately upon all the smaller kinds of birds as well as upon small mammals. In procuring these, it beats through the mazes of the woods, following the edges of the thickets, and passing through the leafy openings, and secures its victim, either by surprising and dropping suddenly down upon it, or else, having started it out, pursues it in open chase and clutches it while at full speed. 133. Nisus cooperi, ( Bon.).- Cooper's Hawk. The Cooper's Hawk seems to be about as numerous in Southern California as its smaller relative. In summer it is not often seen in the lower districts, but will then be found to have retired to the mountains, where it nests, choosing some lofty pine as the site of its domicile. In the fall, there appears to be a very decided migration from the north, and then the low country generally is occupied by this species, which winters in the southern half of the State. No. 383 468 640 Sex. 1 9 < f d inn. mn. inn. Locality. Tejon Mountains, Cal Near Monnt Whitney, Cal Walker's Basin, Cal Collector. H. W. Henshaw. Do. Do. 134. Buteo swainsoni, Bon.- Swainson's Hawk. This Hawk appears to be pretty well distributed over the southern part of California, and is, in certain localities, very common. This was the case in the San Fernando Valley in July. Camping here one evening, our attention was directed to the great number of Gophers ( Spermophile hawesii), which in large colonies inhabited some barren hills near the station. Toward dusk the place was visited by at least a dozen of these birds, which took up their positions on the little hillocks thrown up by the animals in front of their burrows, and awaited with patience the moment when a favorable op- |