BW. DEVOE & CO. 
ESTABLISHED 1852. 
OFFICES, COR. FULTON AND WILLIAM STREETS, 
* New York. * 
sy ARTISTS’ MATERIALS € 
Sketching Outfits of all kinds. 
Tube Colorgy, Water Colors, Crayons, Drawing Paper, 
Canvas, Brushes, Oily and Mediums. 
Mathematical Instfuments. 
flouse Painters’ Colory. Freséo Colors. 
Fine Varnishes. 
CORRESPONDENCE INVITED. CATALOGUES OF OUR DIFFERENT DEPARTMENTS TC 
RESPONSIBLE PARTIES. 
COFFIN, DEVOE & CO, : 176 RANDOLPH ST., CHICAGO, 
THE BOTANICAL GAZETTE, 
A monthly journal of 24 to 30 pages, well illustrated, devoted to botany in all 
its branches, and containing articles of interest to both the professional and the | 
amateur botanist. 
The sixteenth volume begins with January, 1891. $2.50 a year; 25 centsa 
number. Address: 
Pror. JOHN M. COULTER, Crawfordsville, Ind. 
Pror. CHARLES R. BARNES, Madison, Wis. 
Pror. J. C. ARTHUR, LaFayette, Ind. 
ESTABLISHED 1860. 
WILLIAM WALES, 
MANUFAOTURER OF 
FIRST-CLASS MICROSCOPE OBJECTIVES, 
SOLE AGENT FOR 
JOSEPH ZENTMAYER’S MICROSCOPES, ETC. 
We also carry a stock of Photographic Goods. Lenses of all makers. Send 
four cent stamp for our large illustrated catalogue of cameras and supplies. | 
53 Nassau Street, New York. 
