Xviii LIST OF PHOTOMICROGRAPHS. 



PLATE XXI. 



No. 



81. Bacillus mallei. 



82. Bacillus des Rauschbrandes (showing spores), 



83. Bacillus of Texas fever (Billings). 



84. Bacillus of hog disease. 



PLATE XXII. 



85. Bacillus of tetanus (Kitasato). 



86. Bacillus erysipelatis porci. 



87. Bacillus typhi murium. 



88. Bacillus capsulatus (Pfeiffer). 



PLATE XXIII. 



89. Bacillus of mouse disease (Laser). 



90. Bacillus subtilis (Ehrenberg). 



91. Bacillus of grouse disease (Klein). 



92. Bacillus of ferret disease (Eberth). 



PLATE XXIV. 



93. Micrococcus prodigiosus. 



94. Vibrio aquatilis. 



95. Vibrio saprophiles (Weibel). 



96. Spirillum Metschnikovii. 



PLATE XXV. 



97. Bacillus enteritidis. 



98. Proteus vulgaris. 



99. Bacillus alvei. 



100. Bacillus indicus ruber. 



