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40 THE CONDOR Vol. XV RAY, M. S. 1900. Idle hours. at Idlewild, or observations in central Monterey County. Osprey, 5, pp. 6, 7. RICHARDSON, C. I-I. 1904. A list of summer birds of the Piute mountains, California. CONDOR, 6, pp. 134-137. RIDGWAY, R. 1877. Ornithology, in Report of geological exploration of the fortieth parallel, made by Clarence King, U.S. Geologist, 4, pt. 3, pp. 303-669. ROGERS, R. 1907. Band-tailed pigeons at Santa B?rbara. CONDOR, 9, P. 28. SAUvAnOR% T. 1893. Catalogue of the Columbae, or pigeons, in the collection of the British musetm?. Catalogue of birds (London), zA pp. xvii -Jr- 676, 15 pls. SHARP, C. $. 1903. The band-tailed pigeon in San Diego County. CONDOR, 5, P. 16. Sa?o?, H. H. 1907. A collecting trip by wagon to Eagle Lake, Sierra Nevada mountains. CONDOS, 9, pp. 185-191. S?:m?, J. 1884. List of birds of Santa Cruz, Cal. Ornithologist and Oologist, 9, PP. 149, 150. SWR:A?rOR, C. P. 1886. List of birds observed in the vicinity of Santa Barbara, Cal., during the year 1885. Ornithologist and Oologist, :L. Pp. 66, 67. Swasw?I, H. S. 1900. Avifauna of a 100-acre ranch. CONDOR, z, pp. 14-16. 1904. Birds of the Huachuca mountains, Arizona. Pacific Coast Avifauna, 4, PP- 1-70. TOWNSrND, C. H. 1887. Field notes 'on the mammals, birds, and reptiles of northern California. Proc. U. S. Nation. Mus., Io, pp. 159-241. VAN D,?NBURGF, J. 1899. Notes on some birds of Santa Clara County, California. Proc. Amer. Philos. Soc., $$, pp. 157-180. Wm?ANN, O. 1904. Yosemite Valley birds. Auk, zA PP. 66-73. 1908. Summer birds of the upper Salinas valley and adjacent foothills. CONDOR, pp. 137-139. 1910. Additions to Grinnell's list of ?birds of the San Bernardino mountains. CONDOR, :?, p. 44. Woom OCK, A. R. 1902. Annotated list of the birds of Oregon. Oregon Agric. Experiment Sta. Bull., 68,. pp. 3-117, 1 pl. Woom:ous:, S. W. 1853. Birds, i? Report of an expedition down the Zuni and Colorado rivers, by Cap- tain L. Sitgreaves. (Washington), pp. 1-198, 31 pls., map. XAN!rUS, J. 1859. Catalogue of birds collected in the vicinity of Fort Tejon, California, with a description of a new species of Syrnium. Proc. Acad. Nat. Sci., Phila., H, pp. 189-193. FB, OM FIELD AND STUDY Another Instanoe of Cannibalism in the Spotted Owl.?The Spotted Owl, Strix oc- cidental.is (Xantus), is a rather rare bird in this section of California, judging from the number of skins in southern California collections. Lucky is he who, after a dozen years' work in the field, can place more than one specimen to his credit. For this reason I wish to record one shot by R. D. Jewerr in Pacoima Canyon, above the junction with Maple Canyon, back of San Fernando, California. A pair had been heard the night before, and campers had fired several shots in the direc- tion of the sounds, evidently with results, for on the following night only one bird was in