Explanation of Plate 21. 



BACTERIUM LATERICIUM. Adametz. 



I. Agar streak culture, seven days at 22. 

 II. Gelatin stick culture, fourteen days at 22. 



III. Gelatin plate, seven days at 22. x60. Deep- 



seated colonies on the right, superficial on the 

 left. 



IV. Potato culture, thirty days at 22. Natural size. 

 V. Agar plate, seven days at 22. Superficial colony 



on the right, deep one on the left. 

 VI. Microscopical preparation. Pure culture from 

 agar twenty-four hours. About x 800. 



BACTERIUM H^MORRHAGICUM. (Kolb) Lehm. and 

 Neum. (Morbus Werlhofii.) 



VII. Microscopical preparation. Pure culture from 

 bouillon three days old. (Copied from Kolb : A. 

 G., Vol. VII., PI. II., Figs. 1 and 2). 

 VIII. Smear preparation from the liver of a dog. (Copied 

 from Kolb: I.e., Vol. VIL, PL in., Fig. 8.) 



