PLATE 3 
Dwarfed growth. 
Fig. 25.—Typical gonidial growth. Azotobacter Beijerinckei (No. 6). Beef agar, 3 
weeks. 
Fig. 26.—Typical gonidial growth. A. chroococcum (No. 17). Mannite-nitrate 
agar, 5 days. 
Fig. 27.—Dwarfed cells producing regenerative bodies. A. chroococcum (No. 1). 
Mannite-nitrate agar, 2 weeks. 
Fig. 28.—Gonidia and slime, beginning formation of fungoid cells. A. vitreum 
(No. 9). Mannite-nitrate agar, 5 days. 
Fig. 29.—Formation of fungoid cells from gonidia. A. vitreum (No. 9). Mannite- 
nitrate agar, 7 days. 
Fig. 30.—Dwarfed cells assuming fungoid growth. A. chroococcum (No. 17). Beef 
agar, acid, 16 days. 
Fig. 31.—Gonidia growing to small non-sporulating rods. A. chroococcum (No. 1). 
Potato agar, 7 weeks. 
Fig. 32.—Gonidia growing to small and large rods. A. chroococcum (No. 1). Beef 
agar, n days. 
Fig. 33.-— Symplasm reproducing dwarfed growth and large slime threads (filidia). 
A. chroococcum (No. 1). Potato agar, 3 weeks. 
Fig. 34.—Dwarfed growth and rods of different size from symplasm. A. chroococcum 
(No. 1). Mannite-nitrate agar, 6 days. 
Fig. 35.—Upgrowth of large rods and globules from dwarfed growth. A. c hroococcum 
(No. 1). Beef agar, n days. 
Fig. 36.—Development of dwarfed cells, large globules, and branched filidia from 
symplasm. A. chroococcum (No. 1). Potato agar, 3 weeks. 
