Laboratory Outline for General Bacteriology 



DESCRIPTIVE CHART, ENDORSED BY SOCIETY OF AMERICAN BAG 

 TERIOLOGISTS AT THE ANNUAL MEETING DEC. 30, 1920. 



Prepared by H. J. Conn, K. N. Atkins, I. J. Kligler, J. F. Norton, G. E. 

 Harmon, Committee on bacteriological technic. 



MORPHOLOGY 



Note. Underscore required terms. 

 Vegetative Cells, Medium used.. 



temp age days. 



Form, spheres, short rods, long rods, filaments, commas, short spirals, long 

 spirals, curved. 



Arrangements, single, pairs, chains, fours, clusters, cubical packets. 



Limits of Size Size of Majority 



Ends, rounded, truncate, concave. 

 Capsules, present on 



How stained 



Sporangia, present, absent. Medium used 



temp age days. 



Form, elliptical, short rods, spindled, clavate, drumsticks. 



Limits of Size Size of Majority 



Endospores, present, absent. 



Location of endospores, central, polar. 



Form, spherical, elliptical, elongated. 



Limits of Size Size of Majority 



Wall, thick, thin. 



Sporangium wall, adherent, not adherent. 



Motility 



In broth On agar 



Flagella. No Attachment, polar, bipolar peritrichiate. 



How stained 



Irregular Forms. 



Present on in days at C. 



Form spindled, cuneate, filamentous, branched, 



or 



Staining Reactions 



Gram Acid fast 



Special Stains 



CULTURAL CHARACTERISTICS 



Underscore required terms. 



Agar Stroke. Incubation temp C, Age days 



Growth, scanty, moderate, abundant, none. 



Form of growth, filiform, echinulate, beaded, spreading, arborescent, 



rhizoid. 



Elevation of growth, flat, effuse, raised, convex. 

 Lustre, glistening, dull. 

 Topography, smooth, contoured, rugose. 



Optical Characters, opaque, translucent, opalescent, iridescent. 

 Chromogensis Photogenic. Fluorescent. 



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