5 4 ME THODS OF EX AM IN A 7I0N. 



Then wash in alcohol. 



Transfer to alcoholic eosin solution (saturated). 





Fig. 13. — Diagram to show method of washing off extra stain. 



a. Wash bottle. 



b. Cover-glass held in platinum-pointed spring forceps. 



Clear up in bergamot or cedar oil. 



Mount in xylol balsam. 



Other methods, to which reference has been made, may also be 

 used, but the above gives the most constant and satisfactory results. 



For special bacteria, such as tubercle bacilli, typhoid bacilli, and 

 others, special methods of treatment must be adopted (§ 26, p. 37 et 

 seq.). 



N.B. — Make a drawing of all micro-organisms about which your knowledge is 

 not accurate, as they may have faded from view when next you come to examine 

 them. 



