THE BOTANICAL GAZETTE will extend 



the term of subscription six months to any one who will 

 send a new name with his ozvn, and the regular subscrip- 

 Hon price for a year — $4.00 for both. 



FLORIDA LICHENS FOR SALE, 



In sets of 100 species accurately named — collected by myself — among them 

 seven or eight new species discovered by me. At the low price of FXVB dol- 

 lars per hundred. Address W. W. CALKINS, 



Chicago, III. 



THE MICROSCOPICAL JOURNAL. 



A monthly magazine designed to encourage students and amateurs 

 in using the microscope; to promote biological research; to record the 

 progress made by means of this instrument; as well as to interest and 



instruct teachers, physicians, and scholars generally. 

 For specimen copy send five cents (stamps) to 



CHARLES W. SMILEY, 



Box 630, Washington, D. C. 



BAUSGH & LOMB OPTICAL CO. 



j 



MANUFACTURE! OF 



Microscopes, Telescopes, 



PHOTOGRAPHIC LENSES, 



And other Optical Instruments. 



Factory and OtHce : ROCHESTER, N. I.- 581 -548 X. St. Paul St. 



Branch Offlee : >'EW YORK -48-50 Maiden Lane. 





Eleventh edition of illustrated catalogue, With ft number of improvements and addi 

 tlons in the line of microscopes, will be sent free on application to any person interested 



in microscopy. 



