hy THE NAUTILUS. 
Wi SC OAS eS eee SS 
By Prof. Josiah 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 Swrcula Carpenteriana, Gabb. 
To aid in the study of Shells, the pronunciation of the 
Latin names is indicated, and a Glossary, Key, Biograph- 
ical Index of Naturalists, and a Check List are added. 
! a Beautifully printed and bound, Price, postpaid, $1.75, 
Helix (Aglaia) fidelis Gray, Oregon. Samuel Carson & Co,, Publishers, 208 Post St., San 
Francisco, Cal. Please mention this paper. 
FOR SALE.—A COLLECTION OF 
LAND, FRESH-WATER AND MARINE 
soe oo Bt cls tg ete 
Many of the most desirable West Coast Species. 
The following genera well represented : 
Cypreea, Oliva, Conus, Trochus, Strombus, 
Ete. 
700 Species. Over 2500 Examples. Price, $250. 
Address, HARRY E. DORE, 122 Front Street, Portland, Oregon. 
Do you appreciate an absolutely Pure, Uncolored, and Fragrant Tea? Drop us a 
postal card, mentioning this paper, and we will mail you a free sample of 
ACERS CHY LOIN Wag AzA 
After trying it, we believe you will use it regularly. Address, 
FINLEY ACKER & CO,, 123 North Eighth St., Philadelphia, Pa, 
or? BUOOKS.—Catalogues of Old, Rare and Second-hand Standard Books, sent free’ 
JORDAN BROS., No. 211 N. Ninth St., Philadelphia, Pa- 
ae B. Wheeler, East Templeton, Mass., Importer and dealer in Curiosities, 
Shells, Relics, and Natural History specimens from all parts of the world. Send $1.00 
for best 50 specimen collection ever put up. Warranted to give satisfaction. 
THE NAUTILUS 
ADVERTISING RATES. 
CASH WITH ORDER. 
Space. ||| nm10.#|esimo: 6 mo. | 1 year. Space. I mo. 3 mo. | 6mo. |r year. 
3 inch. 25} .60} 1.00) 1.9034 page| 1.50 | 4.00} 7.00) 12.50 
1 inch. 50 | 1.10; 2.00) 3.80/3 page.| 2.75 | 7.00} 12.00) 20.00 
2 inches.) .90 | 2.15] 3.90 7.90 } page.) 4.00 | 10.00) 18.00) 30.00 
3 inches.| 1.30 | 3.20 | 6.00, 11.50|1 page.| 5.00 | 12.00) 22.00| 40.00 
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Address, Wm. D. Averell, Manager, Mt. Airy, Phila., Pa. 
