FIG. 268. A group of Bacteria, the bodies being black, and bearing motile cilia in 
various ways. A, the two to the left the common hay Bacillus (B. subtilis), the 
one to the right a Spirillum ; B, a Coccus form (Planococcus); C, D, E, species of 
Pseudomonas : F, G, species of Bacillus, F being that of typhoid fever; H, Micro- 
spira ; J, K, L, M, species of Spirillum. After ENGLER and PRANTL. 
