THE EXAMINATION OF CULTURES 



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> ' x s ^ s ^ y v 



FIG. 2. Characters of growth in depth of media: I, filiform ; 2, beaded; 

 3, tuberculate-echinulate ; 4, arborescent ; 5, villous. 



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FIG. 3. Types of liquefaction in gelatin stab cultures: I, crateriform; 

 2, napiform ; 3, saccate ; 4, infundibuliform ; 5, stratiform. 



