202 



PRACTICAL MICROSCOPY. 



Fig. 185. Such a machine is clearly only intended for 

 specialists, and therefore a full description of it would be 

 out of place here. 



Dissections and section-cutting are generally looked 

 upon by the student with awe, as being exceptionally 

 difficult. This is not the case : with proper care and perse- 

 verance almost any one may become an expert dissector or 

 section-cutter, and it is to be hoped that whoever purchases 

 a microscope through reading these pages will endeavour 



FIG. 185. 



to do some useful work, and not be content with mounting 

 a few crystals for the polariscope, or with soaking an insect 

 in potash, and mounting in balsam, believing that is all 

 that need be done with it. 



