THE NAUTILUS. 



^_ Microscopes and Supplies, Magnifjiug Glasses, 



JAMES W. QUEEN & CO., 



1010 CHESTNUT ST., PHILADELPHIA. 



^^^^ Insect Pins, Sheet Cork, Plant Presses, 

 Collecting Cases, Etc. 



Send for Complete CATALOGUE B., also Sample Copy of 

 the Microscopical Bulletin. 



F'lr disposal at very moderate prices a fine lot of rare foreign shells. All are 

 correctly named and localized. British specimens exchanged for American. 

 No Postal Carps. 

 Address: DR. J. T. T. REED, 



RYHOPE, SUNDERLAND, ENGLAND. 



FOR SALE. 



Tryoq's American Journal of Conchology, 7 vols, complete, 

 bound in half-morocco. Price, $25.00. 

 Address: LE ART'S OLD BOOK STORE, 



PHILADELPHIA, PA. 



THE OBSERVER, 



A MEDIUM OF INTERCHANGE OF OBSERVATIONS 



FOR all 



Stiadents and Lovers of Nature 



DEVOTED TO 



All Departments of Nature Studies. Enlarged and Changed to Magazine Form. 



Subsciiption ;^1.00 a year. Send for sample copy. 



Address, E. F. BIGELOW, Publisher, PORTLAND, CONN. 



