ILLUSTRATIONS. 



Plate I. 

 Figs. 1 and 2. SpirochaetEe and fusiform bacilli in smeai-s from an ulcer of the 



tonsil. 

 Fig. 3. Spirochsetse and fusiform bacilli in a smear from an ulcer of the tonsil, 



showing beaded staining. 



Plate II. 

 Fig. 4. Spirochsetse and fusiform bacilli in a smear from an ulcer of the gums. 

 Figs. 5 and 6. Spirochsetae and fusiform bacilli in smears from an ulcer of the 



foot. 

 Magnification in all figures 1,000 diameters. Photomicrographs by Mr. Cliarles 



Martin of the Bvjreau of Science, Manila. 



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