i86 



BACTERIOLOGICAL METHODS 



from the organs of chief distribution of the parasite. From 

 these samples cut small flat pieces and compress between two 



Fig. 63. — Colony of Aclinomyces bovis from cow. — (Williams.) 



glass slips and examine under the low power of the compound 

 microscope. As a clearing agent a solution of acetic acid (1-30) 



FxG. 64. — Encysted Trichina spiralis {Trichinclla spiralis) in muscle tissue — 



(Slitl, after Zicglcr.) 



may be used. To clear sections of salted hams or other meat, 

 use diluted potassium or sodium hydrate. Examining minced 



