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 For ale, Ezchange and Want Column.--Any Cooper Club member is entitled to one advertising notice in each issue free. Notices of over ten lines will be charged for at the rate of ten cents per line. For this department, address W. Lgz Crrargras, Eagle Rock, Los Angeles County, Cali[ornia. WA'qTED--To hear from anyone having for disposal copies of following: July-August, 1910, Bird-Lore; July, 1908, January, 1911, and April, 1911, Auk.--H. M. HOLLAV, 320 1. Gramercy Place, Los Angeles, Califi WAxTv--Audubon Magazine, vol. 2, no. 2; Bird News, vol. 1, no. 3; Forest and Field, vol. 1, nos. 2, 4; Hawkeye Orn. and Oo1., vol. 1, nos. 6, 10; vol. 2, no. 4; Hoosier Nat. vol. 1, no. 3; vol. 2, nos. 8, 10, 11, 12; Maine O. and O., vol. 1, nos. 5, 7, 11, 12; Naturalist (Austin, Tex.), vol. 1, no. 2; Observer, vol. 1, no. 4; Oologist (Utica), vol. 1, nos. 1, 2, 3, 4, 7, 8, 9, 10; vol. 2, nos. 1, 2; Oologist's Ad- vertiser, vol. 1, no. 1; Random Notes on Nat. Hist., vol. 1, nos. 2, 3: Science News, vol. 1, nos. 4, 5, 6: Western Oologist, vol. 1, no. 2. Please offer singly or in series.--W,.r^a C. BRASLL, ]25 Clinton Ave.. Brooklyn, N. WA-Tro--Warbler (First Series), 1903, vol. 1, nos. 5 and 6; Ariantic Slope Natural- ist, nos. 4, 5, 6; Avifauna, 1895 and 1897, nos. 1 and 3: Birds of Washington, D.C. and Vicinity by Mrs. L. W. 5laynard.--RALrH W. JACKSOn, Route No. 1, Cambridge, Maryland. Fen Excu,x-cg--Fine skins of Aphelocoma insularis and Puffinus griscus for either skins or sets of North American birds, latter with or without nests. Send your list of offerings.--JosErl MAILLIARD, 1815 Vallejo It., San Francisco. CaliL Fen S.xLe--Bird-Lore, vols. 15, 16, 17, 18. orig. parts, per vol., $1.50; Barrow's Eng. Sparrow in Am., cover loose, $.90: Cones' Fourth Installment of Ornitholocal Bibli- ography, Wash. 1880, $1.00; Birds of Austra- lia and Ireland, in N. British Review, 1852, $.75; De Kay's N.Y. Ornithology, colored plates, covers loose, $2.50; Forbush's Game Birds, Wild Fowl and Shore Birds, $1.50; Ridgway's Birds of N. and Mid. Am., vol. vg, $2.50; Piper's Flora of Washington, $4.50. Prices net.--B. F. CASK, Tolland, Conn. WATEo--Osprey, vol. , nos. 2 and 4; Nid- ologist, vol. g, nos. 1, 2, 3, 4, 5, 7, 10, 11, 12; Museum, vol g, no. 12, and vol. 5, nos. 7-11; Am. Ornithology, vol 4, no. 10, vol. 6 com- plete. Fog S..r--Condor, vol. , nos. 1, 2, 4, 5, 6, vol. II complete; Bird-Lore, vol. x; or will exchange for above.--E. A. DOLX'rLE, BOX , Painesville, Ohio. VA-w:--Oologist, 1897, May and Dec., 1899, April and Sept.; Nidiologist, vol. , no. 2, Oct., 1893; Osprey, n. s., 1902, July; Au- dubon, Ornith. Blog., vol 2; Cones, Second Install. Ornith. Bibliog., 1879; Oolost (Utica, N. Y.L vol L nos. 1-4, 9; Zoe; Field and Forest; N. A. Fauna, 23; Loomis's Calif. Vater Birds, parts 1-5.--B. H. SWA,ES, ]728 lSth St., N. W., Washington, D.C. Ms. Jogr/ Lws Cmi. DS, Floral Park, N. Y., has just issued a 150-page catalogue of his Natural History library. This library is rich in expensive editions and rare old sets of all lines of natural history, and is one of the largest in the U.S. Any one desiring one of the few remaining copies of this cata- logue, bound in cloth, may have one by sending $5.00 to--Tg Curvs PRESS, Floral Park, N.Y. AVIFAUNA No. 12 Birds of the Islands off the Coast of Southern California By ALFRED BRAZIER HOWELL 127 pages; published June 30, 1917 A detailed review of the ornithology o the California islands: 195 species are treated; complete synonymies o each are given; contains tables of species by islands, a hypothetical list of 13 species, an exhaustive bibliography, and discussion o problems presented by the island aviauna. This is an important contribution that no active ornitholo- gist can do without. Members o the Cooper Club may take the regalar Club discount (50%). Price, prepaid, $1.50 W. LEE CHAMBERS, Business Manager Eagle Rock, Los Angeles County, California