166 APPENDIX. 
1. Saccharomyces cerevisiz. 
Examine cultures of this yeast, mount, and stain 
exactly as directed for bacteria. 
2. Mucor racemosus. 
(1) Cultures of this mould may be made on the 
surface of gelatin- or agar-tubes, but preferably in 
plates. The developing colonies may be examined 
directly with the low-power lens of the microscope. 
Fic. 96.—Aspergillus repens: a, conidia-bearing head; 4, 
conidia ; ¢, peritheca ; d, sterigmata (after Jelliffe). 
(2) For examination with the high power, re- 
move a small portion of the growth to a mixture of 
glycerin and water on a slide; spread out as thin 
as possible, cover, and examine. 
(3) The preparation may be stained by adding a 
little eosin solution to the glycerin and water. 
(4) Permanent preparations may be made as 
follows : 
(a) Transfer a small amount of the mould to a 
slide, 
