Supplies for 



the Botanist 



Tripod Dissecting Microscope 



A convenient and portable instru- 

 ment for botanists, as it can be used 

 for dissection when mounted, or the 

 lens may be unscrewed and used as 

 a pocket glass. It gives a large, clear image. 



$ .30 



Triple Aplanats 



$3.25 



This magnifier consists of a 

 crown lens cemented between 

 two flint lenses and is thoroughly achromatic. It 

 gives clear, flat images, free from distortion. The 

 mountings are German silver, nickel plated. 



Coddington Magnifier 



This magnifier gives clear 

 and perfect definition. The 



DIAMETER. 3-4 InT^.SO "^^^^^ings are neatly finished 



and nickeled. 



SEND FOR BOOKLET OF MAGNIFIERS AND READERS 



Bausch & Lomb Optical Co. 



Rochester, N. Y. 



Neiv York - Boston - IVashini^tou - Chicago - San /''^ann'sco 



When answering advertisement mention Mycological Bulletin. 



