THE NAUTILUS. 



A New Catalogue of North American 



Land Shells- 



A revised reprint of the Catalogue published iii 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. 



COMPLETE VOLUMES OF THE NAUTIT.US, 

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



NAUTILUS ADVERTISING RATES. 



Advertisements will be inserted at the rate of $ 1.00 per inch for 

 each insertion in advance. Smaller space in proportion. A discount 

 of 25 per cent, will be made on insertions of six months or longer. 

 In order to haw the paper out promptly, "copy" is put in the printer's 

 hands on the 15th of each month. 



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 a* 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. 



SOUTHERN UNIOS : The collections this season promise to be so 

 vast that we shall not be able to avail ourselves of all the tempting 

 offers unless additional subscribers to the collecting fund be ob- 

 tained. For particulars address BERLIN H. WRIGHT, Penn Yan, N. Y. 

 Printed check list of North American species upon application. 



WANTED : Species of Plectopylis in exchange for other shells or 

 cash. Lists first. 



G. K. GUDE, 114 Adelaide Road, London, N. W., England. 



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. 



