33G STATE BOARD OF AGRICULTURE. 



Fermentation of Sugars (Dextrose, Lactose, Saccharose). None noted. 

 Proteolysis. 



No liquefaction of gelatin. 

 Biochemical tests. 



No indol, hydrogen sulphide, or ammonia present. Nitrates not reduced. 

 Chromogenesis. 



No pigment. 



Illk. 

 Morphology. Micrococcus. 



Size — average diameter, .4 microns. 



Motility — no motion. 



Staining — stains readily. 

 Gelatin Colony. 



Irregular, smooth, coarsely granular. 

 Gelatin Stab. 



Crateriform, becoming saccate. 

 Agar. 



Dull, opaque. 

 Bouillon. 



Turbid with sediment. 

 Milk. 



Loppers quickly. See chart combination Illk and IIIx. 

 Fcnnentation of Sugars (Dextrose, Lactose, Saccharose). None noted. 

 Proteolysis. 



Liquefaction of gelatin. Casein not determined. 

 Biochemical tests. 



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

 Chromogenesis. 



Orange. 



IIIx. 

 ^lorphologj'. Bacillus. 



Size — average diameter, .6 microns; length, 1 micron. 



^Motility — no motion. 



Staining — readily stained. 

 Gelatin Colony. 



Slightly raised, reticulate, opalescent. 

 Gelatin Stab. 



Filiform. 

 Agar. 



Dull, opalescent. 

 Bouillon. 



Turbid with sediment. 

 Milk. 



Firm curd. Also see chart combination with IIIx. 

 Fermentation of Sugars (Dextrose, Lactose, Saccharose). None. 

 Proteolysis. 



None. 

 Biochemical tests. 



No indol. No hydrogen sulphide, or ammonia. Nitrates not reduced. 

 Chromogenesis. 



No pigment. 



SAMPLE IV. 



The milk for this sample was obtained from a dairy in the neighborhood. 

 The milk was fresh morning's milk, was brought to the laboratory, plated, 

 and the acidity tested at 8:00 o'clock a. m. 



The milk was handled in the same manner as the other samples. 



