SUBFAMILIES AND GENERA OF COCCACE^ 87 



Paracoccacese 



Metacoccaceae 



Streptococcus 



HABITAT. 7 ° 

 Per Cent 50 



Parasites. 







GRAM STAIN. 75 



Per Cent 50 



Positive Reactions. _ 







75 

 SURFACE 

 GROWTH. 50 

 Per Cent 



Abundant Growth 



25- 



50-- 



ACIDITY IN 75 



DEXTROSE. 



Per Cent Cultures. 



Over O.OOi Normal. 25 







ACIDITY IN 75- 



LACTOSE. 



Per Cent Cultures. 



50 



Over 0.004 Normal. 25 ■ 







75- 



TEMPERATURE 

 RELATION. 

 GROWTH. 50 

 Per Cent Cultures 



Better at 20° 



25 



TEMPERATURE 



75 



RELATION 

 COLOR. 50 



Per Cent Cultures 

 Better at 20° 







25-- 



75-- 



DEPTH OF 

 LIQUEFACTION. 50 

 Per Cent 

 Over 2 Cm. **' 







Fig. I. — Characters of Subfamilies and Genera of the Cocacceae. 



