FIG. 84. Bacterium 1'asteuriamuu. 



Morphological change from short rods to long threads. Culture on " doppel-hier " agar-agar in a 

 Bottcher chamber at about 40.5 C. . chain of eight short rods ; a' -a'", the same after six, ten 

 and twenty hours ; b. chain of live short rods ; b'-b". the same after five and nine hours ; c and d. 

 after ten and twenty-one hours. Magu. 1000. {After Hansen.) 



Fio. 85. Bacterium Pasteuriauuin. 



Long threads developed by twenty-four hours' cultivation at 40.5 C. on " doppel-bier.' 

 Magn. 1000. (After Hansen.) 



