48 MICROBIOLOGY 



Sediment, compact, fllocculent, granular, flaky, viscid on agita- 

 tion, abundant, scant. 



7. Milk. 



Clearing without coagulation. 

 Coagulation prompt, delayed, absent. 



Extrusion of whey begins in days. 



Coagulum slowly peptonized, rapidly peptonized. 



Peptonization begins on d, complete on d.. 



Reaction, Id , 2d , 4d , lOd , 20d 



Consistency, slimy, viscid, unchanged. 

 Medium browned, reddened, blued, greened. 

 Lab ferment, present, absent. 



8. Litmus Milk. 



Acid, alkaline, acid then alkaline, no change. 



Prompt reduction, no reduction, partial slow reduction. 



9. Gelatin Colonies. 

 Growth slow, rapid. 



Form, punctiform, round, irregular, ameboid, mycelioid, fila- 

 mentous, rhizoid. 



Elevation, flat, effuse, raised, convex, pulvinate, crateriform 

 (liquefying). 



Edge, entire, undulate, lobate, erose, lacerate, fimbriate, fila- 

 mentous, floccose, curled. 



Liquefaction, cup, saucer, spreading. 



10. Agar Colonies. 



Growth slow, rapid, (temperature ) 



Form, punctiform, round, irregular, ameboid, mycelioid, fila- 

 mentous, rhizoid. 



Surface smooth, rough, concentrically ringed, radiate, striate. 



Elevation, flat, effuse, raised, convex, pulvinate, umbonate. 



Edge, entire, undulate, lobate, erose, lacerate, fimbriate, floccose r 

 curled. 



Internal structure, amorphous, finely , coarsely granular, 

 grumose, filamentous, floccose, curled. 



11. Starch Jelly, 



Growth, scanty, copious. 



Diastasic action, absent, feeble, profound. 



Medium stained 



12. Silicate Jelly (Fermi's Solution). 

 Growth copious, scanty, absent. 

 Medium stained 



13. Cohn's Solution. 



Growth copious, scanty, absent. 

 Medium fluorescent, nonfluorescent. 



