114 PREPARATION AND MOUNTING 



similar to those of the molluscs. It requires great nicety of mani- 

 pulation to obtain these for the microscope ; but it would be use- 

 less to attempt any description- of the process here, as the student 

 can only be successful by experience in dissecting objects less dif- 

 ficult to manage, and by using the most delicate instruments. 



"We have now considered most of those objects which require 

 any peculiar treatment in section-cutting, &c. ; but in no branch 

 of microscopic manipulation is experience more necessary than in 

 this. 



