80 
8, entire, 9, undulate; 10, repand; 11, auriculate; 12, lacerate; 13, j\imbricate 
14, ciliate 
(b) Edge of colony (See Fig. 28): entire; undulate, wavy; repand; 
auriculate; lacerate, irregularly cleft ;/imbricate, fringed; ciliate, 
finely toothed. 
III. Deep colonies. Draw a colony. 
(a) Color. 
( b ) Shape: punctiform, lanceolate, oval, circular, spindle-shaped, 
irregular, branched, filamentous. 
(c) Translucency. 
C. MORPHOLOGY 
1. Form and arrangement (examine stained organisms on slides); coccus, 
single, and grouped; diplococcus; streptococcus; rods, single and in chains; 
spirals. (See Fig. 5). 
2. Size. Measurements in terms of the micron. 
3. Reaction to stains: 
(a) Simple stains; stains easily or with difficulty. 
( b ) Differential stains: Gram’s stain. 
4. Spores: Time required for formation, medium, position in cell. 
5. Special characters. 
(a) Flagella. (Motility in hanging drop.) 
( b ) Capsule. 
(c) Granules. 
(d) Involution forms. 
