58 General Bacteriology. 
B. Deep colonies: 
a. Form. 
b. Size. 
ce. Color. 
d. Internal structure. 
2, AGAR PLATES: 
A. Surface colonies. 
B. Deep Colonies. 
38. GELATIN Stas CULTURES. 
A. Non-liquefying. 
a. Line of puncture: filiform, uniform growth without any special characters; 
tuberculate; papillate, covered with papille; echinulate, minutely prickly; villous, beset 
with long or short undivided hair-like extensions; arborescent, beset with branched hair- 
like extensions; beaded, composed of small round more or less conjointed colonies; 
banded longitudinally. 
b. Surface: (Same as surface colonies gelatin plates 1 c.) 
B. Liquefying. 
a. Shape of liquefied area: crateriform, saucer shaped liquefaction of gelatin; 
saccate, shape of an elongated sack, tubular; cylindrical; funnel formed; napiform, out- 
line of a turnip; fusiform, outline of a parsnip; stratiform, liquefaction extending to 
the walls of the tube and then downward horizontally. 
b. Fluid: clear; turbid; flocculent. 
c. Sediment: flocculent; stringy ; granular. 
d. Membrane: character; color. 
4. STREAK CULTURES: 
. Form. ) 
Size. 
Surface elevation. 
. Consistency. . ; : : ; 
Gctor: ( Same as for colonies on gelatin plates (1). 
} Same points as in gelatin plate, (1). 
Margin. 
Internal structure. 
. Change in medium. / 
5. PoTaTto. 
A. Growth apparent. (Same as plate cultures). 
B. Growth not apparent. 
6. BovmLLoN: 
a. Character of fluid: clear; turbid; ete. 
bv. Sediment. 
c. Membrane. 
7. MILK. 
A. No visible change, even after boiling. 
B. Curd formed: 
a. Time required. 
b. Character of curd: hard; soft. 
c. Digestion. 
FR mMeasecs 
