EXPERIMENT STATION BULLETINS. 351 



Proteolysis. 



Gelatin liquefied. 

 Biochemical tests. 



No indol, hydrogen sulphide, or tininionia present. Nitrates reduced. 

 Chroniogenesis. 



No pigment. 



IVo. 

 Morphology. Bacillus. 



Size — average diameter, .8 microns to 1 micron; length, 1 micron to 3.5 microns. 



Motility — motile. 



Staining — stains readily. 

 Gelatin Colon}^ 



Finely granular. 

 Gelatin Stab. 



Beaded growth with gas. 

 Agar. 



L^ull, opalescent. 

 Bouillon. 



Turbid, sediment and scmn. 

 Potato. 



Discolored. 

 Milk. 



Curding, gas production. 

 Fermentation of Sugars (Dextrose, Lactose, Saccharose). All positive. 

 Proteolysis. 



None noted. 

 Biochemical tests. 



No indol, hydrogen sulphide, or ammonia. Nitrates reduced. 

 Chromogenesis. 



No pigment. 



IVp. 



Morphology. Bacillus. 



Size — average diameter, .5 microns; length, 1.6 to 2.4 microns. 



Motility — motile. 



Staining — stains readily. 

 Gelatin Colony. 



Not noted. 

 Gelatin Stab. 



Filifonn, becoming stratii'oi-m. 

 Agar. 



Dull, opalescent. 

 Bouillon. 



Turbid with sediment. 

 Potato. 



Moist, abundant growth. 

 I\Iilk. 



Curd. Also see chart combination IVp and IVx. 

 Fennentation of Sugars (Dextrose, Lactose, Saccharose). Not noted. 

 Proteolysis. 



Gelatin liquefied. 

 Biochemical tests. 



No indol, hydrogen sulphide, or ammonia present. Nitrates reduced. 

 Chromogenesis. 



Green. 



IVq. 

 Morphology. Bacillus. 



Size — average diameter, .S microns; length, I to 2 microns. 



Motility — motile. 



Staining — stains readily. 

 Gelatin Colony. 



Round, grumose, entire. 

 Gelatin Stab. 



Beaded. 



^Sar. L . t. -^ 



Dull, opalescent. 



