SCHIZOMYCETES. BACTERIA 105 



This is accompanied by a numerical system for recording the 

 salient characters of an organism, as follows : 



Endospores produced 



Endospores not produced 



Aerobic (strict) 



Facultative anaerobic 



Anaerobic (strict) 



Gelatin liquefied 



Gelatin not liquefied 



Acid and gas from dextrose 



Acid without gas from dextrose 



No acid from dextrose 



No growth with dextrose 



Acid and gas from lactose 



Acid without gas from lactose 



No acid from lactose 



No growth with lactose 



Acid and gas from saccharose 



Acid without gas from saccharose 



No acid from saccharose 



No growth with saccharose 



Nitrates reduced with evolution of gas 



Nitrates not reduced 



Nitrates reduced without gas formation 



Fluorescent 



Violet chromogens 



Blue chromogens 



Green chromogens 



Yellow chromogens 



Orange chromogens 



Red chromogens 



Brown chromogens 



Pink chromogens 



Non-chromogenic 



Diastasic action on potato starch (strong) 



Diastasic action on potato starch (feeble) 



Diastasic action on potato starch (absent) 

 Acid and gas from glycerin 

 Acid without gas from glycerin 



No acid from glycerin 

 , No growth with glycerin 

 (Pseudo?nonas campestris (Pam.) Erw. Smith becomes Ps. 211.333151.) 

 The bacteria are ordinarily grouped in six families, arranged in 

 two orders, but the phytopathological forms are included in the 

 one family Bacteriaceas. 



100. 



200. 



10. 



20. 



3°- 

 1. 



0.1 



0.2 



°-3 



°-4 , 

 .01 



.02 



■°3 



.04 



.001 



.002 



.003 



.004 



.0001 



.0002 



.0003 



.00001 



.00002 



.00003 



.00004 



.00005 



.00006 



.00007 



.00008 



.00009 



.00000 



.000001 



.000002 



.000003 



.0000001 



.0000002 



.0000003 



.0000004 



