SCHIZOMYCETES. BACTERIA 





This is accompanied by a numerical system for recording the 

 salient characters of an organism, as follows : 



ioo. Endospores produced 



200. Endospores not produced 



10. Aerobic (strict) 



20. Facultative anaerobic 



30. Anaerobic (strict) 



1. Gelatin liquefied 



2. Gelatin not liquefied 



o.i Acid and gas from dextrose 



0.2 Acid without gas from dextrose 



0.3 No acid from dextrose 



0.4 No growth with dextrose 



.01 Acid and gas from lactose 



.02 Acid without gas from lactose 



.03 No acid from lactose 



.04 No growth with lactose 



.00 1 Acid and gas from saccharose 



.002 Acid without gas from saccharose 



.003 No acid from saccharose 



.004 No growth with saccharose 



.0001 Nitrates reduced with evolution of gas 



.0002 Nitrates not reduced 



.0003 Nitrates reduced without gas formation 



.0000 1 Fluorescent 



.00002 Violet chromogens 



.00003 Blue chromogens 



.00004 Green chromogens 



.00005 Yellow chromogens 



.00006 Orange chromogens 



.00007 Red chromogens 



.00008 Brown chromogens 



.00009 Pink chromogens 



.00000 Non-chromogenic 



.00000 1 Diastasic action on potato starch (strong) 



.000002 Diastasic action on potato starch (feeble) 



.000003 Diastasic action on potato starch (absent) 



.000000 1 Acid and gas from glycerin 



.0000002 Acid without gas from glycerin 



.0000003 No acid from glycerin 



.0000004 No growth with glycerin 



(Pseudomonas campestris (Pam.) Erw. Smith becomes Ps. 21 1.333151.) 

 The bacteria are ordinarily grouped in six families, arranged in 

 two orders, but the phytopathological forms are included in the 

 one family Bacteriaceae. 



