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 Sept., x9o 4 [ THE CONDOR x37 B/eolophus inornatus. Plain Titmouse. Abundant about oaks in the foothills. Parusgambeli. Mountain Chickadee. Very common in higher mountains and occasionally met in the foothills. Chain/ca f. henshawi. Pallid Wrentit. Quite common about brush-covered hills. Psaltriparus m. calffornicus. California Bush-tit. Numerous in oak regions, both in foothills and higher mountains. Polioptila c. obscura. Western Gnatcatcher. Common in foothills. Merula m. propinqua. Western Robin. Quite plentiful in higher mountains. Sialia m. occidentalis. Western Bluebird. Common everywhere but most numerous among the pines and firs. There are probably few writers who have exerted a more wholesome influ- ence on the trend of popular ornithology than Mrs. Florence Merriam Bailey, whose "Birds Through an Opera Glass" (I889) has been one of the most success- ful and effective books of its class. Mrs. Bailey has had the advantage of a wide and varied field experience throughout the West, as well as in the eastern states, and her "A-birding on a Bronco," like all of her works, reflects an intimate acquaintance with the live bird. She has been a frequent contributor to ornitho- logical magazines and has written, besides the two books already mentioned, "Birds of Village and Field," and the well-known "Handbook of Birds oi the Western United States," deservedly characterized as "the most complete text-book of regional ornithology which has ever been published." "As an observer, Mrs. Bailey is unmistakably keen, discriminating, and accurate; as a writer, always simple and true, at times highly vigorous and original."