THE NAUTILUS. lil 
BXCHANGES. 
As a Premium, each subscriber is allowed an exchange of 25 words, including address. 
Exchanges printed in this column for 25 cents per 25 words, including address. Notices over 
25 words printed at the rate of one-half cent per word. No exchange inserted for less than 25 
cents. Notices which are merely indirect methods of soliciting cash purchasers will not be 
admitted in this department under any pretence. Terms, cash with order. 
West Coast Shells offered in exchange for American and Foreign Shells. W. J. RAYMOND, 
626 13th Street, Oakland, Cal. 
Offered :—Chlorostoma gallina, Conus Californicus, Donax Californicus, Chione succincta, 
Tapes staminea for Mussels from Mississippi River and Ohio, near Cincinnati. M. BURTON 
WILLIAMSON, University P. O. Cal. 
Offered :—Random Notes on Natural History (odd numbers or complete volumes) for Num- 
bers 1 (postal card), 3, 4, and 5 of Vol. 1, and No.3 of Vol. 2. Conchologists’ Exchange. 
Address, W. D. AVERELL, Mt. Airy, Phila. 
BYRON P. RUGGLES, Hartland. Windsor Co., Vermont, will exchange land and fresh- 
water shells, sedges, grasses and ferns for desirable species of same from other localities. 
Anodonta suborbiculata Say. 
A few specimens of this rare Shell for sale. - Price 20 cents each. 
Address THOMAS A. WORTHEN, Box 78, Warsaw, Ills. 
JUST OUT.—OONTRIBUTIONS 10 THE MULLUSCA OF FLORIDA, 
By CHAS. T. SIMPSON. Price 25c., postpaid. 
Nomenclature and Check-List of American Land Shells. 
By H. A. Pilsbry. Price, 10c., postpaid. 50c. per dozen copies, postpaid. 
Address W. D. AVERELL, - - - - - - - Mt. Airy, Phila. 
Cones’ New Key to North American Birds. 
Revised Edition containing a full accounto fevery known species, 
8)) pages, 561illustrations. Boundin cloth or flexible leather. $7.00 
Illustrated prospectus for 4c. postage, I. C. Greene, Fitchburg, Mass. 
WHS COAST SEehh.aasS- 
By Prog. Jostau 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. 
Wi To aid in the study of Shells, the pronunciation of the 
Y/ / Latin names is indicated, anda Glossary, Key, Biographi- 
cal Index of Naturalists, and a Check List are added. 
Beautifully printed and bound, Price, postpaid, $1.75. 
Helix (Aglaia) fidelis, Gray, Oregon. Samuel Carson & Co,, Publishers, 208 Post St., San Fran- 
cisco, Cal. 
Please mention this paper. 
ARIS CIs WIS Sie YAaMnaehaSsi0 OWACING SiSabaaany Sha eSsae 
Will hereafter be published by the undersigned. Mr. CHARLES R. ORCUTT of San Diego 
will continue as its editor. 
First issued as a four-page monthly in 1884, this magazine has steadily grown in merit and 
popular favor until it is now in the forefront of the scientific magazines of the country. 
SAMUEL CARSON & CO. 
Publishers, Booksellers and Stationers, Wholesale and Retail, 
208 Post St., San Francisco. _ 
“Frank H. Lattin, of Albion, Orleans Co., N. Y.,a dealer in natural history specimens, 
instruments, supplies and publications of all kinds. Every A. A. Chapter should have a copy of 
his complete catalogue and price-lists before making purchases. His specimens are the very 
best, and his prices will be found to be much lower than those of any other reliable dealer.”’ 
The above we copy from Three Kingdoms, the Hand-Book of the Agassiz Association. Our 
readers would no doubt save money by complying with this advice. 
HAT HAVE YOU TO EXCHANGE for a Catarrh Remedy that never Fails? 
Address, Mrs. E. E. Yates, Sharon, Wisconsin. 
