598 MANUAL OF DFTERMIXATIVE BACTKRIOLOGY 



B. Non -motile. Gelatin liquefied. Non-chromogenic. 

 1. Milk acid. 



a. Ammonia produced; indole not formed. 



23. Bacterium udum. 



C. Non-motile. Gelatin not liquefied. Non-chromogenic. 



1. Milk unchanged. 



a. Ammonia not produced; indole not formed. 



24. Bacterium lucrosum. 



2. Milk acid. 



a. Ammonia not produced; indole not formed. 



25. Bacterium acidulum. 



26. Bacterium castigatum. 



D. Motile. Gelatin liquefied. Chromogenic. 

 1. Milk acid. 



a. Ammonia produced; indole is formed. 



27. Bacterium hibulum. 



Appendices I to III: These list additional species of cellulose-digesting, 

 Gram -negative, usualh' motile, rod-shaped bacteria. See p. 615 and 622. Also 

 similar species that utilize bacterial poh'saccharides as a sole source of carbon. 

 Seep. 623. 



III. Gram-negative. Digest agar. 



A. Non-motile. 



1. Nitrites not produced from nitrates. 



a. Acid from glucose and other sugars. 



28. Bacteriuttt nrnckii. 

 aa. Do not form acid from glucose. 



29. Bacterium polijsiphojiiae. 



30. Bacterium drohachense. 



2. Action on nitrates unknown. 



a. Do not form acid from glucose. 



31. Bacterium delesseriae. 



32. Bacterium boreale. 



33. Bacterium ceramicola. 



B. Motile but position of flagella not given. May be either peritrichous or 



polar. 



1. Nitrites not produced from nitrates. 



34. Bacterium rhodomelae. 



2. Action on nitrates unknown. 



35. Bacterium alginovorum. 



36. Bacterium fucicola. 



Appendices I and II: These describe 9 additional species and list others that 

 digest agar. All are Gram-negative, motile or non-motile rod-shaped bacte- 

 ria. See p. 627. 



IV. Gram-negative. Digest chitin. 



A. Motile but position of flagella not given. 



1. Non-chromogenic. 



37. Bacteriuin chititwphilum. 



2. Yellow chromogenesis. 



38. Bacterium chitinochroma. 



