VARIOUS KINDS OF BACTERIA. 



A. To the left the common hay bacillus (B 

 lum. B. A Coccus f 



illus subtilis) \ to the ri 

 . Species of 



. . ccus form (Planococcus). C, />, A. S 



F, G. Species of Bacillus, F being that of typhoid . 



J, K, L, M. Species of Spirillum. (After Engler and Prantl.) 



ht a Spit 

 seudomon 

 Microspi- 



