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l*or Sale, l?xchange an/t Want Column.--In this space members of the Cooper Club are allowed one notice in each issue free of charge. Notices of over ten lines will be charged for at the rate of ten cents per line. Books and magazines can be offered for sale or exchange; bird skins and eggs can be offered in exchange, but not for sale. For this department address W. L? CHAMBltRS, Eagle Rock, Los Angeles County, California. FoR SALE--Photographs and lantern slides, plain or colored, of birds, nests and eggs, and fiowers.--T?oMAS H. JACKSON, S0? ?. Franklin ?t., West Chester, Pa. To EXCHANOE--I will give 50 cents each, exchange value, in Alaskan specimens, for each colored plate by Fuertes, of bird groups appearing in Bird-Lore previous to 1915.---G?o. G. CANTWELL, Puyallup, Wash. FoR SALE--For $32.50 prepaid, a Fox "Sterlingworth" double barrel, twenty gauge hammerless shotgun, to one barrel of which I have had fitted a 38 cal. auxiliary barrel, making the best all around collecting gun obtainable. Wholly new.--FRED W. DILLE, 927 West 28th Avenue, Denver, Colo. WA?wro--29th and 30th Quarterly Report, Penn'a Board of Agriculture, March, 1886; containing "Birds of Chester County, Penna.", prepared by C. J. Pennock. I will pay any reasonable price.--F. L. B?NS, Berwyn, Pa. FOR EXC?ANoE--Very fine skins of Michi- gan waders and warblers for ?vestern or de- sirable sets.--& CLAIRE WOOD, 179 17th ?treet, Detroit, Mica. WANTrD--Skins of Flammulated and Dwarf Screech owls in exchange for north- em material such as Queen Charlotte Island Jay, Northwestern Sawwhet Owl, Richard- son Grouse, Hepburn Leucosticte, Bohemian Waxwing, etc.--& A. MUNRO, Okanagau Landing, British Columbia, Canada. WANTr. o--A1 sets of the following, nests with smaller kinds and down with ducks: A. O. U. nos. 17, 113.1, 114, 135, 142, 143, 151, 165, 249, 292a, 340, 399, 424, 439, 573, 574, 622c, 623, 626, 634, 646b, 682, 713a, 726b, 759a, 759d, and many others. I can offer in exchange rare A1 sets from the north- west and elsewhere.--J. HOOPER Bow?s, The Woodgtock, Tacoma, Wash. WA?ro--Ridgway's Manual o! ?Vorth Am- erican Birds. Will pay cash.--FmEDA LVr?DrMA?N, BOX 105, LOS Gatos, CaliL To EXCH?NOE--For bird skins not at pres- ent represented in my collection: Cones Key to ?r. A. Birds; Ridgway's Manual o! ?r. A. Birds; U.S. Executive Document No. 91, Explorations from Mississippi Rive? to Pa- cific Coast? 1853-1856, Birds, by Spencer F. Baird, 995 pages. Over 50 odd copies of ornithological mag- azines to exchange as a lot for last four issues of The Auk. Viz: 15 copies Ooqogist, Vol. 7 to 13; 15 copies Osprey, Vol. 1 to 2; 11 copies Nidiologist, Vol. 3 to 4; 10 copies- Museum, Vol. 1 to 2.--Gro. G. CA?'r?LL, Puyallup, Wash. WANTED?Loomis's California Water Birds No. IV, for which I will pay any reasonable cash price.--W. E. CLYDr TODD, Carnegie Museum, Pittsburgh, Pa. BL?-Bmn--Published in co-operation with The Cleveland Bird-Lovers' Association, and devoted to Bird l?tudy and Conservation; $1.00 a year; 10 cents a copy; Agents Want- ed. Address EDITOR BLUE-BIRD, 1010 Euclid Avenue, Cleveland, Ohio. WANTED.--LOOmis's "California Water Birds" number V; "The Blue Bird," vol. 6, nos. 1 and 2, published at Cincinnati, Ohio, by Dr. Eugene Swope; Bulletin of the Cooper Ornithological Club, vol. I, any odd nos.--W, LEE CHAMBERS, Eagle Rock, Los Angeles County, California.