yi ADVERTISEMENTS. 
The International Journal of 
Microscopy and Natural Science. 
EDITOR: 
ALFRED ALLEN, Bath, England. 
Jey g EDITORS 
Pro ee rig d FL R S S., etc. ai PoE, E S. A. 
FREDERICK ERINE `M. etc. s> Pittsbu rgh, P 5, 
. STEVENSON BROWN, 5 breiidezt ict Micro. Soc., Bald ada: 
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The following are a portion of the Contents = Ean: 1893. 
Polarised Light, and its Application to the Mic ni (Illustrated.)} G. H. Bryan, M. A. 
lustrate g 
“The Microscope and Its Accessories. (Mastrated. ) ’ The Edi 
A Device to take the place of the Camera Lucida in e cane gs ) 
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