THE NAUTILUS. 



A New Catalogue of North American 



Land Shells- 



A revised reprint of the Catalogue published in THE NAUTILUS 



from August, 1897, to April, 1898. Giving the geographic 



distribution, most recent synonymy, varieties, and 



classification of all species known to inhabit 



America north of Mexico 



35 pages, in paper cover. PRICE, 25 Cts. 



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 Vols. IV to XI inclusive, $1.OO per Vol 



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Address, C. W. JOHNSON, 



WAGNER FREE INSTITUTE, Philadelphia, Pa. 



EXCHANGES. 



The following space is to he given to exchanges. Notices not exceeding 

 three lines will be free to subscribers as long as our limit of space will allow 



FOR EXCHANGE: Marine, fresh water and land shells for same. 

 Especially desire to receive duplicate lists of foreign collectors. 



CHARLES S. HODGSON, Albion, 111. 



FOR EXCHANGE : Austrian shells ; also various marine, land, 

 and fresh water shells, for species not in my collection. List first. 

 A. OBERWIMMER, Med. Ill, Haupt St. 97, Vienna, Austria. 



OFFERED : Tertiary and recent land and fresh water shells of 

 France. WANTED: Tertiary and recent shells of North America. 

 ANDRE BONNET, 55 Boulevard St. Michel, Paris, France. 



FOR EXCHANGE: U. S. and foreign shells. Send list and receive 

 mine. TH. JANSEN, 1365 N. Washtinaw Ave. , Chicago, 111. 



FOR DISPOSAL : A large collection of marine, fresh water, and 

 land shells (many rare from India, Ceylon, New Guinea and Philip- 

 pines, etc.). Wanted rare land or offers 



Miss LINTER, Saville House, Twickenham, England. 



FOR EXCHANGE : Marine, fresh water, and land shells. 



C. H. LAWTON, P. O. Box 37, Santa Barbara, Cal. 



