PKEFAOB. 



IN bringing this Handbook before the public, the Author 

 believes that he is supplying a want which has been long 

 felt. Much information concerning the " Preparation and 

 Mounting of Microscopic Objects '* has been already pub- 

 lished ; but mostly as supplementary chapters only, in 

 books written professedly upon the Microscope. From 

 this it is evident that it was necessary to consult a number 

 of works in order to obtain anything like a complete 

 knowledge of the subject. These pages, however, will be 

 found to comprise all the most approved methods of 

 mounting, together with the results of the Author's expe- 

 rience, and that of many of his friends, in every depart- 

 ment of microscopic manipulation ; and as it is intended 

 to assist the beginner as well as the advanced student, 

 the very rudiments of the art have not been omitted. 



As there is a diversity of opinion as to the best mode 

 of proceeding in certain cases, numerous quotations have 



