NOW READY. 



The International Directory 



OF 



Malacologists and Conchologists, 



ONE DOLLAR PER COPY. 



MAXWELL SMITH, Hartsdale, New York, U.S.A. 

 NEW CATALOGUE OF 



European-Palaearctic 

 and Exotic Helices. 



One of the largest catalogues of the Helices 

 ever published. Containing about 400 genera and 

 3,400 species, with localities and prices. Arranged 

 according to the systems of Dr. H. A. Pilsbry and 

 Professor Dr. W. Kobelt. Price Is., can be paid 

 in stamps. 



KOSMOS NATURHISTOR. INSTITUT, 



Speyerstr. 8, Berlin W. 30, Germany. 



STEPHEN AUSTIN AND SONS, LTD., PRINTERS, HERTFORD. 



