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. mbtilis), the 

 one to the right a Spirillum. ; B, a Coccus form {Plan or occur); C, T), E, species of 

 Pseudomonas ; F, G, species of Bacillus, F being that of typhoid fever; 77, Micro- 

 spira ; J, K, L, M, species of Spirillum.— After Engler and Prantl. 



