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 

 mountings are neatly finished 



DIAMETER, 3-4 IN. $1.50 



and nickeled. 



SEND FOR BOOKLET OF MAGNIFIERS AND READERS 



Bausch & Lomb Optical Co, 



Rochester, N. Y. 



New York - Boston - IVashingtoTi - (Jiirai^o - San Francisco 



When ; nsweriiiK advertirsement mention Mycological Bulletin. 



