636 ORDER IV. EUBACTERIALES 



9. Clostridium tyrobutyricum. 



kk. Calcium lactate not fermented. 



10. Clostridium pasteurianum. 



hh. Action on coagulated albumin not recorded, 

 i. Milk coagulated without gas production, 

 j. Digestion of milk not recorded. Milk acid- 

 coagulated. 



11. Clostridium toanum. 



jj. Digestion of milk slight, if at all. Milk 

 slowly acid-coagulated. 



12. Clostridium amijlosaccharobutylpropylicum. 

 ii. Milk coagulated with gas production; no di- 

 gestion. 



j. Hydrogen sulfide produced. 



13. Clostridium madisonii. 



jj. Hydrogen sulfide not produced. 



14. Clostridium muelleri. 

 gg. Glucose not fermented, 



h. Hydrogen sulfide not produced. 



15. Clostridium amylolyticuvi. 

 hh. Hydrogen sulfide produced. 



16. Clostridium nigrificans. 



ii. Gelatin and/or glucose-gelatin liquefied, 

 g. Glucose fermented. 



h. Coagulated albumin may or may not be liquefied. 

 i. Coagulated albumin not liquefied, 

 j. Milk not digested. 



k. Milk slowly coagulated. Clot not di- 

 gested. 



I. Glycerol and mannitol not fer- 

 mented. 



m. Lactose fermented. Patho- 

 genic, 

 n. Sucrose not fermented. 

 Salicin fermented. 



17. Clostridium septicum. 



nn. Sucrose fermented. Sali- 

 cin not fermented. 



18. Clostridium chauvoei. 



mm. Lactose not fermented. Non- 

 pathogenic. 



19. Clostridium nauseum. 



II. Glycerol fermented. 



20. Clostridium haeynolyticum. 



kk. Milk acidified but not coagulated. 

 Mannitol not fermented. 

 1. Lactose, sucrose and salicin not 

 fermented. Exotoxin (atoxic strains 

 possible) produced which is toxic 

 on injection but not on feeding. 

 Colonies on egg yolk agar produce 

 intense precipitate and luster zone 

 in regular circle. 



