

Fig. 268. A group of Bacteria, the bodies being black, and bearing motile cilia in 

 various was's. .4, the two to the left the common hay Bacillus (B. snbtilis), 'he 

 one to the right a Spirillmn ; B. a Coccus form (Planocoecus); C, Z>, B, species of 

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

 spira ; J, K, L, M, species of SpiriUum.— After Englek and Pkantl. 



