1V THE NAUTILUS. 
FOR SALE.—A COLLECTION OF 
LAND, FRESH-WATER AND MARINE 
3 Et Biss. 
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. 
WW SrnC OLAS i SS Ears 
By Prof. Josiah Keep, Mills Co lege, California 
A familiar description of the Marine, Fresh-Water and 
Iand 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 
BA and beautiful Surcula 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 
Beautifully printed and bound, Price, postpaid, $1.75, 
Helix (Agtaia) fidelis Gray, Oregon, Samuel Carson & Co,, Publishers, 208 Post St., San 
Francisco, Cal. Please mention this paper. 
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 
SN Oj ISAs SoS} sl} NIETO) IN Eesha 
After trying it, we believe you will use it regularly. Address, 
FINLEY ACKER & CO,, 123 North Eighth Sie Hae es Pa. 
LD. BOOKS. —Catalogues of Old, Rare and Second-hand Sends foe sent fee 
0 JORDAN BROS., No. 211 N. Ninth St. , Philadelphia, Pa: 
JUST OUT.—CONTRIBUTIONS 10 THE MOLLUSCA OF FLORIDA, 
By CHAS. T. SIMPSON. Price 25c., a See 
Address WM. D. AVERELL, - Mt. ay Phila. 
THE NAUTILUS 
ADVERTISING RATES. 
CASH WITH ORDER. 
Space. | x mo. | 3 mo. 6 mo. | I year. | Space. I mo, 3 mo. 6 mo. | r year. 
ia Vices sc il | |" « | 
+ inch. 25 | :60| 1.00) 1.90/24 page| 1.50 | 4.00 7.00) 12.50 
| 
Linch. | 50) 110; 2.00 3.80} page. 2.75 | 7.00) 12.00 20.00 
2 inches.| .90 | 2.15 | 3.90 7.50 3 = 4.00 | 10.00) 18.00) 30.00 
inches, 1.30 | 3.20 | 6.00 11.501 page. 5.00 | 12.00) 22.00| 40.00- 
In writing to Advertisers please mention “ THE NAUTILUS.” 
Address, Wm. D. Averell, Manager, Mt. Airy, Phila., Pa. 
oo 
