104 CLASSIFICATION AND DESCRIPTION OF BACTERIA | 
discussion in the previous paragraph. From this it will be seen that 
those who have really used the Chart regard it as an aid in the study 
of bacteria. Barring certain recognized limitations it is a convenient 
Structure of colonies: 1, conglomerate colony; 2, toruloid colony; 3, alveolate structure; 4, 
grumose in center; 5, moruloid; 6, clouded; 7, reticulate; 8, marmorated; 9, gyrose. : 
(From Moore’s Laboratory Directions for Beginners in Bacteriology, Ginn & Co., 1905.) 
Types of colonies: 1, cochleate; 2, ameeboid; 3, rhizoid; 4, mycelioid; 5, filamentous; 6, 
curled structure. o | 
. (From Moore’s Laboratory Directions for Beginners in Bacteriology, Ginn & Co., 1905.) 
Fic. 35.—Showing Characteristics of Colonies. These should not be regarded as 
absolutely constant. Other terms may be used which will more correctly 
describe a colony growth. | - CS | 
method for recording the salient characteristics of bacteria. Many 
of those who criticize it most severely have never used it in any extended 
research. The student will find the Chart a convenient factor in the 
