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Show 236 inclined to think that with the preceding species the Casein's Yireo retires In summer to more northern breeding- grounds. No. 376 Sex. 9 Locality. Tejon Mountains, Cal Date. Aug. 17 Collector. H. W. Henihaw. 43. Vireo eolitariue, ( Wils.), var. plumbeus, Cones.- Western Solitary Vireo. I procured a single specimen of this Yireo in the mountains near Fort Tejon, August I. It is in much- worn plumage, and probably had bred in this locality. The species is, however, one belonging more particularly to the Southern Rocky Mountains. No. 7 « 7 Sex. ? ad. Locality. Tqjon Mountain*, Cal Date. Aug. 1 Collector. H. " W. Henshaw. 44. Vireo putillus, Cones.- Least Yireo. The Least Yireo was the most abundant of its tribe about Los Angeles in June, and their notes, remarkable only for their oddity and qnaintoess, were constantly1 heard issuing from the thickets, often several males singing at a time. The bird seems to be the counterpart of the eastern Yireo belli. It is never seen in the open, and very rarely in the taller, trees, but keeps within the shelter of the shrubbery, either along a stream or in the swamps. It is very active and restless, and, numerous as they were, I found it very difficult to get even a glimpse of them, as they flitted about, now just over the ground, now in the tops of the young trees, that grew so thickly as to limit my view to the space of a few yards. As far north as Santa Barbara and Fort Tejon they were quite numerous, and their range will very probably be found to reach as far north as San Francisco. No. 24 258 312 335 Sex. cfad. d Jun. ? jun. Los Ang Santa Be FortTei do. Locality. eles, Cal irbara, C a l . . . . . . . . . . . . on, Cal Date. June 17 July 7 Aug. 7 Aug. 9 Collector. H. " W. Henshaw. .... do do Wing. 2.12 2.08 2.07 2.20 Tail. 2.25 2.22 2.05 2.14 BilL 0.41 a 38 0.42 0.40 Tarsus. 0.72 0.77 0.74 0.75 45. Vireo huttoni, Cassin.- Hutton's Yireo. Vireo huttoni, Casein, Pr. A. N. Sc. Phila. v, Feb., 1851, 150- Bd., B. N. A., 1858,339.- Coop., B. CaL, i, 1870,121.- Coues, Key N. A. B., 1872,123.- B., B., & R., N. A. B., L 1874,387. This species is one of the least known of all our Yireos; nor is this owing entirely to its rarity, for at Santa Barbara, in June, it was quite common, and according to Dr. Cooper this is true in other parts of California, it wintering plentifully as high as latitude 38°. It breeds, I am inclined to believe, through the whole of Southern California. In habits it is arboreal, as much so, judging from those I saw, as the Warbling Yireo. It frequented the oaks exclusively, ana was at this season entirely silent, so that, though I watched them for the express purpose of listening to their notes, I heard not a single strain. This was probably due to the fact that their broods were just out and required their full attention. All their movements were marked with a quiet deliberation as they silently moved about the ends of the branches, searching them with the utmost care for food. No. 7 « 9 58 109 110 111 135 158 245 Sex. ? ad. tfad. d'juu. ? ad. cfad. d'juu. d" jun. 9 ad. Locality. Santa Barbara, Cal do do do do do Date. June 14 June 25 June 27 June 27 June 27 June 29 June 29 July 17 Collector. H. W. Henshaw. do . . . . do do .... do do do .... do Wing. 2.45 2.43 2.35 2.38 2.29 2.35 2.40 2.45 TaiL 2.15 2.09 2.10 2.04 2.07 2.04 2.12 2.15 BilL 0.43 0.42 a 39 a 43 0.42 0.42 0.43 0.40 Tanas. a 76 0.75 a 73 0.73 0.76 * 0.75 0.73 0.72 |
