MKTHOD OF MOUNTING OBJECTS IN FLUID. 



297 



than is necessary to hold the preparation, otherwise the latter 

 could only be examined with a magnifier of low power. 



Method of Mounting Objects in Deep Cells. — For this purpose 

 it will be requisite to be provided with a bottle and glass tubes 

 of the shapes represented by fig. 200 and fig. 201. The bot- 

 tle is required to contain the spirit or other fluid about to be 

 used for mounting the preparation, it should be of the shape 

 represented by a, fig. 200, having a wide mouth, into which 

 is fitted loosely a cork, b, with a tube, c, passed through its 



Fig. 200. 



Fig. 201. 



centre ; the tube should not touch the bottom of the bottle. 

 The cell and thin glass cover having been properly cleaned, 

 and the object prepared for mounting, the edges of the former 

 are to be anointed with a small quantity of gold-size, the 

 cell is then to be filled with the preservative fluid by means 



