256 



MICRO-OKGANISMS IN WATER 



Vitality of Bacteria in Gelatine Cultures kept in Freezing Mixture 



(Heyroth) 



Name of organism 



Pink yeast . 



Staphylococcus aureus 

 „ osteomyelitis 



Swine fever 



Babbit septicgemia 



Bacillus pyocyaneus . 



Yellow sarcina . 



Achrococcus tetra- 

 genus 



Pneumococcus (Fried- 

 lander) 



Cheese spirilla (De- 

 neke) 



Mayhbfer's bacillus . 



Coccus of septictemia 

 (Fliigge) 



Miller's bacillus 



Bacillus of blue milk 



Bacillus acidi lactici . 



Proteus vulgaris 

 „ Zenker! 

 ,, mirabilis 



Behaviour 



of culture 



after ten days' 



freezing 



Growth 



No growth 

 Growth 



* Very similar to the bacillus of chicken cholera, but whereas the latter is pathogenic for 

 fowls and pigeons and not for gniuea-pigs, the former is almost without effect on fowls and 

 pigeons, but acts very virulently on guinea-pigs. — Giinther, p. 262. 



^ Rouget des pores. Probably identical with the bacillus of mouse septicaemia. 



