l8o BACTERIOLOGY 



Potato. Growth dirty white to olive-green. 



Bouillon. A membrane on the surface, fluid brownish. 



Habitat. Water. 



156. Bact. indigonaceum Classen 



Centralblatt f. Bakteriol., VII, 13, 1890. 



See Pseudomonas indigofera Voges. Differs from the latter in being non- 

 motile. 



157. Bact. allii (Griffiths) 



B. allii Griffiths : Proc. Roy. Soc., Edinburgh, XV. 

 Morphology. 0.5-0.7 : 2.5 /A; occur singly and in pairs. 

 Agar slant. Growth a thick green layer. Pigment soluble in alcohol. 

 Habitat. Isolated from decaying onions. 



CLASS IX. FLUORESCENT BACTERIA. GELATIN LIQUEFIED. 

 I. Gelatin liquefied slowly and feebly. 



158. Bact. immobile (Kruse). 

 II. Gelatin liquefied quickly. 



159. Bact. graveolens ( Bordoin) . 



158. Bact immobile (Kruse) 



B.fluorescens-non-liquefaciens Eisenberg : I.e. 



B.jLuorescens-immobilis Kruse: Fliigge, Die Mikroorganismen, 1896,294. 



Morphology. Bacilli 0.3-0.5 : 2.0 /x, to filaments. 



Gelatin colonies. B. a?/*-like; green fluorescence in- the gelatin; slight lique- 

 faction. Cultural characters like Pseudomonas pjitidum. 

 Habitat. Air and water. 



159. Bact. graveolens (Bordoni) 



B.graveolens Bordoni-Uffreduzzi : Fortschritte d. Medezin, 1886, 157. 



Morphology. Bacilli short, 0.8 /x. 



Gelatin colonies. Irregular; bad odor. 



Potato. Growth stinking. 



Habitat. Isolated from the skin of man from between the toes. 



CLASS X. FLUORESCENT BACTERIA. GELATIN NOT LIQUEFIED. 



I. Do not grow on ordinary (acid) potato. 

 A. Grow in milk. 



1 60. Bact. smaragdinum (Katz). 



