LABORATORY COURSE IX PATHOLOGY AXI) BACTERlOLOIiY. 
HYGIENIC LABORATORY, 
United States Public Health and Marine- Hospital Service, Washington, I). C. 
[By ?.iii.T()N J. Rosenau, Passed Assistant Surgeon and Director of the Hygienic Laboratory, United States 
Public Health and Marine-Hospital Service.] 
PliEPARATION OF MEDIA— 
1. Bouillon: 
a. Acid. 
h. Neutral. 
c. Alkaline. 
2. Su^ar free bouillon (colon fermentation). 
8. Glucose ])ouillon. 
4. Lacto.se bouillon. 
n. Dunhands solution, 
d. Gelatin. 
7. Ag:ar-agar: 
a. Glycerin agar. 
h. Litmus agar. 
8. Potato. 
9. Blood-serum: 
ft. Fluid. 
Coagulated. 
c. Loftier’ s blood -.serum mixture. 
10. Milk. 
11. Litmus ndlk. 
12. Aqueous humor of <»x (*ves. 
1.8. Ascitic fluid. 
14. Urine. 
(h) 
