PLATE XXIV. 



93. MICROCOCCUS PRODIGIOSUS. 



X 2500. Photomicrograph by Wm. Radam, 



94. VIBRIO AqUATILIS. 



(IN STAGNANT WATER.) 



X 2500. Photomicrograph by Wm. Radam. 



95. VIBRIO SAPROPHILES (Weibel). 



(in sewer slime.) 

 X 2500 Photomicrograph by Wm, Radam. 



6. SPIRILLUM METSCHNIKOVJI. 



(IN CHICKEN CHOLERA.) 



2500. Photomicrograph by Wm. Radam. 



