BACTERIOLOGICAL TECHNIC 55 



Edge: entire or smooth, wavy, with 

 pointed protuberances, serrate, den- 

 tate, lacerate, fringed, hairlike 

 shoots, curled, tubercle-like appear- 

 ance (tuberculated). 

 b) Deep colonies. 



Shape: punctiform, lanceolate, oval, 

 circular, spindle-shaped, conglom- 

 erate, irregular, branched, filamen- 

 tous, rosette-shaped. 



Color. 



Translucency. 



Granulation. 



III. Agar slant culture. 



Limitation: confinement to needle track or 



spreading. If spreading, in what shape? 

 Vigor: luxuriant, fair, or scant. 

 Color: by reflected light. 

 Elevation or depression, more pronounced at 



edges or in center. 

 Translucency. 

 Moistness. 

 Smoothness. 

 Luster. 



Coloration of medium. 

 Odor. 



Gas formation: in culture or in medium. 

 IV. Stab culture in plain agar. 



i. Surface growth (describe like agar slant). 



