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For Bole, Ezchange and Want Colu?n.--Any Cooper Club member is entitled to one advertising notice in each issue ?ree. Notices of over ten lines will be chared for ?t the rate of ten cents per line. For this department, mldress W. I. dm Cg,?s, Eagle Rock, Los Angelee County, California. FoR S?E--N. A. Fauna no. 3; Land and Sea Mammals of Middle America and the West Indies, Elliot (parts 1 and 2); Collec- tion of Mammals, Wheeler Survey, Coues and Yarrow. Make me an offer.--W. r. B?- ?rr"e, ?tate Agricultural College, Fort Col- lins, Colo. WHo CAN Supply me with choice sets of the following sparrows? A. O. U. nos. 542, 542b, 544a, 546a, 546b, 554a, 559, 563a, 565, 566, 567e, 568, 570a, 574a, 576, 579, ff80a, 580b, 582, 585, 585b, 585c. Also, 597a, 610a, 621, 625, 629a, 629c, 630, 632c, 634 and many oth- ers. Desirable exchange offered.--A. E. PmCE, Grant Park, Illinois. Fou SALE--Vols. 10, 11, and 12, Journal of Maine Ornithological Society; American Or- nithology, 1903, 1904, 1905, and 1906; Guide to Nature, vols. 1, 3, 4, 5, and 6. Also many excellent Devonian fossils.--Louxs S. KOH- Lrm, 98 Watsessing Ave., Bloomfielcl, IV. J. FOR EXCHA?OE--CoIIection of old and rare French letters and parchments dated from 1427 to 1800, two signed by Louis XV; one 5% foot alligator, mounted; collection of 7550 specimens (2098 species) of marine and freshwater shells; collection of 225 moths and butterflies; collection of 1500 beetles (Coleaptera); collection of 300 mineral spe- cimens; collection of 392 fossils; collection of corals; collection of curios. Will exchange for mounted birds, bird skins. sets of eggs, Indian relics, stamps or books. Send list of what you have to offer and I will make you a proposition.--H. F. Dwrm?, R. F. D. 1, Box 78 C, Dixon, Calif. FoR S?E--Eighty copies of The Auk: vols. 7 to 30 (vols. 17 to 30 complete), for $25; 88 copies of Bird-Lore: vol 4, no. 3, to vol. 18, no. 6, with all indexes, for $22.50.-- LAUr? T?r?r?, 136 IV. Dewey Et., Phila- delphia, Pa. FOR EXCHANCE--The Auk, vols. 24 to 33; Condor, vols. 10 to 18, both complete. Want North American Faunas, National Museum publications on Birds, Mammals, Reptiles and Batrachians, and bird skins.--L. E. WYMAN, Museum Of History, Ecience ancl Art, Los Angeles, Cal. EXCHANGE DESIRED--I wish to exchange sets and bird skins from this locality for specimens not in my collection. Correspond with--WamHW M. PmscE, Box 3?$, Clare- mont, Calif. WA?WEO--"The Blue Bird," vol. 6, nos. 1 and 2, published at Cincinnati, Ohio, by Dr. Eugene Swope; Bulletin of the Cooper Or- nithological Club, vol. I, any odd nos.--W. LEE Ct?A?Igras, Eagle Rock, Los Angeles County, California. Pacific Coast Avifauna No. 12 Birds of the Islands off the Coast of Southern California By A. B. HOWELL Now Ready for Delivery -:- Price $1.50 W. Lee Chambers, Business Manager, Eagle Rock, Los Angeles County, California