PLATE IX. 



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

 serum. Stained with Loftier' s solution of mechylene blue. x 1,000. 

 Photomicrograph 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. Photomicro- 

 graph by oil lamp. (Borden.) 



FIG. 4. Bacillus typhi abdominalis, from agar culture, x 1,000. 

 Photomicrograph by oil lamp. (Borden.) 



FIG. 5. Streptococcus pyogenes (longus). x 1,000. Photomicro- 

 graph 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.) 



