■U6 



THE MICROSCOPE. 



to the direction in which the cut is made ; but in order to arrive at a 

 true understanding of the arrangement of the woody and vascular 

 bundles in endogens, horizontal and vertical sections only will be re- 

 quired. Many specimens of wood that are very hard and brittle may 

 be much softened by boiling in water ; and as the cutting- machine will 

 answer other structures besides wood, it may here be stated, that all 

 horny tissues may also be considerably softened by boiling, and can 

 then be cut very easily.* 



fig. 216. 



Mr. WaringtorCs Microscope. — The maker of this instrument, Mr. 

 Salmon, 100 Fenchurch Street, has enabled us to give a drawing of 



♦ Professor Quekett on the Microscope. 



