NEW CATALOG "'MICROTOMES 



Containing full descriptions 

 and Photographic Illustrations 

 of our entire line of remodeled 

 microtomes and accessories, 

 including several 



NEW MICROTOMES 



w This new series is the most 

 „X. complete and practical ever 

 listed, and every user of a 

 Microtome should have a 

 j copy of the book for refer- 

 ee purposes, if for no 

 other reason. Mailed free. 



Bausch & Lomb Optical Co. 



ROCHESTER, N. Y. Chicago 



Methods in Plant Histology 



By CHARLES J. CHAMBERLAIN, A.M., PhJ)., ™£.i*oS.£ 



A CONSTANT HELP to Teachers and Students of Botany 

 CONTAINS DIRECTIONS FOR COLLECTING AND PREPARING 

 PLANT MATERIAL FOR MICROSCOPIC INVESTIGATION 



The University of Chicago Press, Chicago, 



