PLATE 9 
Symplasm. 
Fig. 97.—Formation of symplasm by regenerative bodies. A. chroococcum (No. 23) 
Potato, 9 days. 
Fig. 98.—Regenerative units starting to grow. A. chroococcum (No. 19). Beef 
gelatine, 4 weeks. 
Fig. 99.—Regenerative bodies growing from symplasm. A. chroococcum(No. 25). 
Beef agar, 4 weeks. 
Fig. 100.—Various cell forms growing from symplasm. A. Beijerinckii (No. 15). 
Mannite soil extract, 2 months. 
Fig. 101.—Branching small cells growing from symplasm. A. chroococcum (No. 1). 
Mannite-nitrate solution, $ days. 
Fig. 102.—Sporulating small rods growing from symplasm. A. Beijerinckii (No. 15). 
Mannite-nitrate solution, 17 days. 
Fig. 103.—Beginning formation of rods. A. vitreum (No. 9). Mannite-nitrate 
solution, 10 days. 
Fig. 104.—Radial growth of rods from symplasm. Bacillus fusiformis Gottheil 
(No. 149). Beef agar, 2 weeks. 
Fig. 105.—Tangential growth of rods from symplasm. A. Beijerinckii (No. 6). 
Mannite-nitrate solution, 2 weeks. 
Fig. 106.—Formation of new cells by agglomeration of regenerative units. A. chroo¬ 
coccum (No. 22). Mannite soil extract, 4 days. 
Fig. 107.—Formation of filidia by agglomeration. A. Beijerinckii (No. 15). Mannite 
soil extract, 8 months. 
Fig. 108.—Formation of sclerotia. A chroococcum (No. 19). Potato, 4 weeks. 
