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vi Colonel C. Russell, who contributes the second article, has made the Sparrow Question the subject of close investigation for fifteen years, and the results are given in interesting detail and fulness in his Article. Colonel Russell gave evidence of great value on the Sparrow and other birds, before a Select Committee on the Protection of Wild Birds, June, 1873. Colonel Russell, it may be added, cultivates one of the farms on his estate, and is known to many for his valuable contributions to the 'Report of Observations of Injurious Insects and Farm Pests,' by Miss Eleanor A. Ormerod. The publishers also desire to express their thanks to this lady for her kind assistance, without which, one of the following contributions would probably have not been obtained.

Dr. Elliott Coues is one of the most distinguished Ornithologists in America, and is the author of numerous books and articles on Ornithology. His greatest work is a 'Key to North American Birds,' etc., with 561 illustrations, a valuable work, the second edition of which was published last year in England, by Messrs. Macmillan and Co.

July, 1885.