VARIOUS KINDS OF BACTERIA. 



. To the left the common hay bacillus (Bacillus subtilis) to the right a Spirit 

 lum. B. A Coccus form (Planococcus\ C, D, E. Species of Pseudomonas. 

 f, G. Species of Bacillus. F being that of typhoid fever. H. Microspira. 

 /, A", Z, M. Species of Spirillum. (After Engler and Prantl.) 



