. The Conchologists' exchange. Mollusks. THE • CONCHOLOGISTS' • EXCHANGE. WHAT NEXT? Why just this. After May 1st, 1888, we will give each subscriber sending us 50 cents, a PREMIUM in choice LAND, FRESH WATER or MARINE SHELLS. Make your choice of either of the three kinds mentioned, send us 50 cents by Postal Note, and we will send you, post-paid, "THE CONCHOLOGISTS' EXCHANGE" FOR ONE YEAR, and a neat box containing 25 cents worth of choice SHELLS as a Premium; or, Berlin H. Wright's New Check List of North American Unionidae and other Fresh Water Bivalves (just issued); or, D. D. Ba
. The Conchologists' exchange. Mollusks. THE • CONCHOLOGISTS' • EXCHANGE. WHAT NEXT? Why just this. After May 1st, 1888, we will give each subscriber sending us 50 cents, a PREMIUM in choice LAND, FRESH WATER or MARINE SHELLS. Make your choice of either of the three kinds mentioned, send us 50 cents by Postal Note, and we will send you, post-paid, "THE CONCHOLOGISTS' EXCHANGE" FOR ONE YEAR, and a neat box containing 25 cents worth of choice SHELLS as a Premium; or, Berlin H. Wright's New Check List of North American Unionidae and other Fresh Water Bivalves (just issued); or, D. D. Baldwin's Land Shells of the Hawaiian Islands. BUT WAIT! WE WILL GIVE To each person sending us 100 Fifty Cent Subscriptions with the cash, a Premium of $15 in Cash. To each person sending 50 cash subscrip- tions, $ in Cash. To each person sending us 25 cash subscrip- tions, $ in Cash. Note.—Subscribers' names, together with the cash, must be sent to us as soon as received, to insure prompt delivery of the paper. Address, "The Oonchologists' Exchange," Chestnut Hill, Helix [Aglaid) fidelis, Gray, Oregon. WEST COAST SHELLS. By Keep, Mills College, California. A familiar description of the Marine, Fresh Water and Land Mollusks, found in the United States, West of the Rocky Mountains. 182 Illustrations, 230 pages. The frontispiece is a hand-painted engraving of the very rare and beautiful Surcula Carpenteriana, Gabb. To aid in the study of Shells, the pronuncia- tion of the Latin names is indicated, and a Glos- sary, Key, Biographical Index of Naturalists, and a Check List are added. Beautifully printed and bound. Price, postpaid, $ Samuel Carson & Co., Publishers, 208 Post St., San Francisco, Cal. Please mention this paper. THIE A Monthly. Devoted to advanced methods of educa- tion and general culture, with special stress on Natural Science. Wood-cut illustrated lessons on Natural History, etc. EDITORS: PRINCIPAL MACKAY, B. A., B
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectmollusks, bookyear188
