212 REAGENTS AND STAINS. 



son carmine, little by little, with continual stirring. 

 Keep in a cool place with surface covered with meth- 

 ylated spirit. When wanted for use, dissolve on water- 

 bath and filter through flannel wrung 1 out of hot 

 water." (Fearnley's Method.) 



CLEARING AGENTS. 



Those commonly used are cedar oil, creosote, clove- 

 oil, xylol, and aniline oil. Clove oil cannot be used 

 with celloidin sections. 



MOUNTING MEDIA. 



Glycerine jelly and Canada balsam, are commonly 

 used for mounting purposes. For the laboratory, bal- 

 sam will be found a satisfactory medium. Should 

 xylol be used for clearing, the balsam should be dis- 

 solved in xylol. Chloroform balsam may be used in 

 in xylol. Chloroform balsam may be used in sections 



For the formulae of reagents and stains required for 

 work in bacteriology and urinalysis, the reader is re- 

 ferred to the chapters in which is discussed the micro- 

 technique of these subjects. 



