Colonies 

 Temperatur 



Growth, alow, rapid. 



Form, puncli/orm (t. e., tinder 1 mm. 



circular (t. e., otier 1 mm. diam.), filar. 



irregular, rhizoid. 

 Surface, smooth, rough, concentrically 



radiately ridged. 

 Elevation, efune, flat, raised, convex, pulvinate. 





Edge, entire, undulate, lobale, erote, filamenlou; 

 curled. 



Internal structure (low power of microscope), 

 amorphous, finely-, coarsely-granular, fila- 

 mentous, curled, concentric. 



Coloniei 

 Temperatui 



Growth, slow, rapid. 



Form, puncliform, circular, irregular, filamentous 



Elevation, flat, raised, convex, pulvinate, crateri- 

 form (liquefying). 



Edge, entire, undulate, lobate, erase, filamentous, 

 curled. 



Liquefaction, cup, saucer, spreading. 



Internal structure, amorphous, finely-, coarsely- 

 granular, filamentous, curled. 



PHYSIOLOGY 



SPECIAL TESTS («. g., Pathogenicitt) 



This Descriptive Char 



Bacteriological Technic of the Society 

 nittee: H. J. Conn. K. N. Atkins, J. H. Bi 



American Bactebioloqistb. Presented at the annual meeting of the Society, 

 ROWN, Bahnett Cohen, G. J. Hucker and F. W. Tanner. 



