BAUSGH & LOMB OPTICAL 6O., 
Microscopes, Telescopes, 
PHOTOGRAPHIC LENSES, 
And other Optical Instruments. 
ROCHESTER, N. Y.—531-539 North St. Paul St. 
NEW YORK—37 Maiden Lane. 
A catalogue with a number of improvements and additions in the line of 
Microscopes is in press now, and will be sent to any person interested in Mi- 
croscopy free on application. 
BOTANICAL PAPER. 
E. MORRISON, 
PAPER WAREHOUSE, 
No. 805 D Street, Washington, D. €. 
Standard Herbarium Paper, 1134 x 164, 25 and = Ibs., at $4.50 and $5.50 per ream. 
genus = — size (16% by 24), No. 1, $4.25; No. 2, $2.50; No. 3, $2.00 per hundred. 
Also drying 
i catheter 
AMERICAN 
MONTHLY 
MICROSCOPICAL JOURNAL; 
A periodical for all who use the Microscope, either professionally or as amateurs. 
‘Iam much pleased with the JourNaL, and } h valuable information 
‘TL learn many new things from it, and Ia that it is th with all who read it. 
The eighth yolume now current. Subscription price, $1.00. 
Editor, HENRY L. OSBORN, vs D., 
ayette, Indian 
Business —— RUFUS *. " DEERING, 
x 630, Washington, D. c 
