THE NAUTILUS. 



BACK VOLUMES OF THE NAUTILUS. 



Vol. IV. .May, 1890 to April, 1891, . 81.00 

 Vol. V. May, 1891 to April, 1892, . 1.00 

 Vol. VI. May, 1882 to April, 1893, . 1.00 

 Vol. VII. May, 1*93 to April, 1894, . 1.00 

 Vol. VIII. May, 1894 to April, 1895. . 1.00 

 Vol. IX. May, 1895 to April, 1*96. . 1.00 

 Of Vols. I and II, which were known as the " Conehologisffs Ex- 



eliini'/?." and Vol. Ill of THE NAUTILUS, we can furnish odd 



numbers only. 



Extras of August and September number, (1895) containing an 



Index to the Concluitoiji*!* E.ri-linnij<: for binding with the latter, 



will be furnished at lit cents per copy. 



Advertisements will be inserted at the rate of $1.OO per 

 inch for each insertion in advance. Smaller space in propor- 

 tion. A discount of 25 per cent, will be made on insertions of 

 six months or longer. In order to have the paper out promptly, 

 "copy' 1 is put in the printer's hands on the 20th of each 

 month. 



Address, C. W. JOHNSON. 



WAGNER FREE INSTITUTE, 



Philadelphia, I'... 



"EXCHANGES^ 



The following space is to be given to exchanges. Notices not 

 exceeding three lines, will be free to subscribers as long as our 

 limit of -pace will allow. 



\VAXTKD. Slims from west of the IJocky Mts. Large li,-t of 

 marine and land shells offered. E. G. VANATTA, 



Acad. Nat. Sci., Logan Square, Philada., Pa. 



FOR ExcriANci: : Marine, land and fresh-water shells for other 

 shells or works on concliology. Send li-ls. MORRIS SCHICK, 



LMltt Keese St., Philada., Pa. 



FOR EXCHANGE: Opals, Amethysts and other gems and pre- 

 cious stones, etc., for good, showy shells. Shells and coral desired in 

 quantity. F. G. HILLMAX, lo/ii; Acushnei . \\-e..Ni-\v Bedford, Mass. 

 FOR EXCHANGE: L. and F. W. shells of southern \V is. for same 

 from other localities. Fine sets of Unios for museums polished or 

 natural. \VAXTKD : 1 T . tiiliei'i-nfninx, colored nacre, opals, Hue 

 crystals, minerals, fossils or marine curios. 



MRS. E. C. WISWALL, Kenosha, Wis. 



OFFERED: Southern California Marine for shells of the same 

 class or land and fresh-water shells. II. X. LOWF, 



113 X. Los Kobles Ave., Pasadena, Cal. 



WANTED: Cyprsea, cones and foreign land shells. Can give 

 land, fresh-water and marine shells. Semi lists and receive mine. 



CIIA-. S. HMHOCPX, Albion, Ills. 



