THK NAUTILUS. Ill 



The Natural Science Journal 



A Monthly Publication Devoted 

 to the Natural Sciences. 



Departments in Anthropology, Botany, Conchology, Geographies, 



Geology, Mineralogy and Ornithology, with other 



special features. 



Subscriptions ONE DOLLAR Per Year. 



AN EXCELLENT LOW PRICED ADVERTISING 

 MEDIUM. 



Published by 



The Atlantic Scientific Bureau, 



1036 ACUSHNET AVENUE, 



NEW BEDFORD, MASS. 



The rare collection of Cyfnea belonging to the late John H. 

 Campbell. This collection embraces about 165 species, 

 many of which are en suite and all in perfect condition, 

 also a fine generic collection. For further information, 



ADDRESS: C. W. JOHNSON, 



WAGNER FREE INSTITUTE, 



PHILADELPHIA, PA. 



R. FRIEDLANDER & SOHN, 



CARLSTR^vSSE 11, 



BERLIN, N. W., GERMANY. 



Reduced in price from $16.00 to $10.00, postage included. 

 Dr. C. A. WESTERLUND'S 



Fauna der in der paloearktischen Region lehenden Binnen-Con- 

 chylien. 



(The Pals-arctic fresh water and terrestrial Mollnsk Fauna. ) 



2 volumes (in 7 parts), with 2 supplements, 1886-90, 2,061 pages 

 in Royal Octavo. 



The chief modern irork on Conchology. 



Please apply for our CONCHOLOGICAL CATALOGUE (106 pages with 

 3,925 titles), which will be sent free. 



