PLATE IX. 



FIG. 1. Bacillus diphtherise (Klebs-Loffler) from culture on blood serum. 

 Stained with Loffler's solution of methylene blue. X 1,000. Photomicro- 

 graph by oil lamp. (Borden.) 



FIG. 2. Micrococcus gonorrhoeas in urethral pus. Stained with Loffler's 

 solution of methylene blue. X 1,000. Photomicrograph by oil lamp 

 (Borden.) 



FIG. 3. Bacillus tuberculosis in sputum. X 1,000. Photomicrograph 

 by oil lamp. (Borden.) 



FIG. 4. --Bacillus typhi abdominalis, from agar culture. X 1,000. Photo- 

 micrograph by oil lamp. (Borden.) 



FIG. 5. Streptococcus pyogenes (longus). X 1,000. Photomicrograph 

 made at the Army Medical Museum by sunlight. (Gray.) 



FIG. 6. Bacillus mallei. X 1,000. Photomicrograph made at the Army 

 Medical Museum by sunlight. (Gray.) 



