FAMILY BACTERIACEAE 599 



Appendix I: One additional species is described. See p. 632. 



V. Gram-negative. Phosphorescent bacteria. 



A. Non -motile coccobacilli from sea water. 

 1. No liquefaction of gelatin. 



39. Bacterium phosphoreum. 



B. Motile rods from sea water. Position of flagella not given. 



1. Xo growth in broth, and on coagulated blood serum or potato. 



40. Bacterium phosphorescens indigenus. 



C. Xot stated whether motile or non-motile. From diseased insect larvae. 

 1. Yellow growth on potato. 



41. Bacterium hemophosphoreum. 



Appendix I : This includes a list of more than 40 additional so-called species of 

 phosphorescent l)acteria. See p. 634. 



VI. Gram-negative. Facultative autotrophic bacteria which secure energy from 

 the oxidation of hydrogen and utilize carbon from CO-. 



A. Xon-motile. 



1. Growth shows a red chromogenesis. 



42. Bacterium erythrogloeum. 



B. Motile with peritrichous flagella. 



1. Yellow chromogenesis. 



43. Bacterium lentulum. 



2. Ivory-colored colonies. 



44. Bacterium leucogloeum. 



VII. Gram-negative. Plant pathogens. 



A. X' on-motile. 



1. Gelatin not licjuefied. 



45. Bacterium stewartii. 



B. Motile with a polar flagellum. 

 1. Gelatin not liquefied. 



a. Colonies mustard yellow on agar. 



46. Bacterium tardicrescens. 



b. Colonies hone}' to Xaples yellow on agar. 



47. Bacterium albilineans. 



Appendix I : This includes 19 additional species placed in Bacterium or Bacil- 

 lus by their authors. All are reported to cause or to be associated with plant 

 disease. See p. 639. 



VIII. Gram-negative. Miscellaneous species. 

 A. Produce a pink to red chromogenesis. 



1. Motile. 



a. Gelatin not liquefied. 



48. Bacterium rubefaciens. 

 aa. Gelatin liquefied. 



49. Bacterium rubidum. 



2. Xon-motile. 



a. Gelatin not liquefied. 



50. Bacterium later iccum. 



