ACTIVITIES OF BACTERIA. 



The most important results of the investigations are : 



Bac. coli l 



Bac. Bischleri 



Bac. typhi 



Microc. acidi paralactici 

 Vibrio choleric (Calcutta) 

 Vibrio cholera; (Massina) 

 Vibrio Metschnikovi . . . 

 Vibrio danubicus .... 

 Vil)rio "Wernicke", i, n, 



i-i 



Vibrio " Dunbar " .... 



Vil>rio proteus 



Vibrio "VYeibel 



Vibrio Bon h off b 



Vibrio berolinensis . . . 



Vibrio aquatilis 



Vibrio tyrogencs . . . . \ 

 Vibrio Bonlioff a / 



INACTIVE 

 LACTIC ACID. 



DEXTRORO- 

 TATORY 

 LACTIC ACID 

 (PARALACTIC). 



LKVOHOTA- 



TORY 



LACTIC ACID. 



While at present these results are not of much value, 

 yet a continuance of these theoretically interesting studies 

 is desirable. (Compare special part, under Vibrio cholera? 

 and Bact. coli. ) 



Various bacteria often, however, insufficiently studied 

 morphologically or biologically are able to produce buty= 

 ric acid, butyl alcohol, or both from carbohydrates. 



For a review of these varieties see Baier (C. B. L. i, 

 17). Compare in special part : Bac. butyricus Hiippe, 

 Bac. butyricus Botkin, Clostridium butyricum, etc. 



In connection with the fermentation of sugar, de= 

 composition of cellulose may be mentioned as caused by 

 various bacteria. It occurs especially in the gastric and 

 intestinal contents of herbivora, and also in quagmire, 

 and forms marsh-gas as its striking product. 



1 The statements regarding the coli ^ronp are from Nencki (C. B. 

 IX, 305) ; regard in# the typhoid, from Blachstein ; regarding the 

 cholera group, from Kuprianow (A. H. xix, J383, 291) and Gosio (A. 

 H. xxi, 114). 



