LIST OF PLATES. 



PLATE PAGE 



I. The Cilia of B. termo and S. voluntans. (Drysdale 



and Dallinger) 40 



II. Different Modes of Grouping of the Bacteria. (Photo- 

 micrographs by Dr. Stern berg) 17 



III. Bacilli and Spores. (Photo-micrographs by Dr. Stern- 



berg) 58 



IV. Disease-Ferments of Wort and Beer. (Pasteur) . . 84 

 V. Different Forms of Bacteria. (Cohn) 95 



VI. Micrococci. (Photo-micrographs by Dr. Sternberg) 127 



VII. Pathogenic Bacilli 264 



VIII. Bacillus anthracis. (Photo-micrographs by Dr. Stern- 

 berg) 272 



IX. Bacillus tuberculosis. (Chromo-lithograph) .... 396 



X. Blood of Yellow Fever Patients. (Photo- micrographs 



by Dr. Sternberg) 421 



