1 82 BACTERIOLOGY 



162. Bact. Giardii 



Pkotobact. of Giardi : Compt/rend. Soc. Biol., 1896. 

 Bact.phospkorescens-Giardi : Kruse, Fliigge, Die Mikroorganismen, 1896. 



Morphology. Bacilli and cultural characters like 161, but bacilli smaller and 



more coccoid. 

 Habitat. Isolated from crustaceae. 



163. Bact. Lepierrei 



B. fiuorescens pathogene Lepierre. 



B . fluorescens or Lepierre: Kruse, Fliigge, Die Mikroorganismen, 1896. 



Morphology. Bacilli 1.5 : 2.0-3.0 /1; jiot stained by Gram's method. 



Gelatin colonies. Round to yellowish brown, becoming, in three days, fluores- 

 cent; in 5 days the colonies are green. 



Potato. No fluorescence, becoming black. 



Bouillon. A fluorescence of the medium. 



Milk. Not coagulated, alkaline ; no fluorescence. Indol absent. . 



Glucose-bouillon. No gas. Optimum temperature 20-3o. No fluorescence 

 at 37- 



Pathogenesis. Inoculation of guinea pigs, death in 1-6 days, with abscess of 

 liver and peritonitis. 



164. Bact. iris (Frick) 



B. iris Frick: Virchow's Archiv, CXVI, 1889, 290. 



B. fluorescens-crassus Kruse : Fliigge, Die Mikroorganismen, 1896, 294. 



Morphology. Bacilli very small, slender. 



Gelatin colonies. Of the aerogenes type ; a green color, slowly developed. 



Gelatin stab. Along line of stab no growth ; surface growth an aerogenes- 



like bead ; a green fluorescence of a yellowish brown, to a dark green 



color. 

 Potato. Growth light brown. 

 Bouillon. No membrane ; not colored. 

 Habitat. Air and water. 



165. Bact. Pflugeri (Ludwig) 



M. Pflugeri Ludwig: Hedwigia, 1884, No. 3. 



Photobact. Pflugeri Beijerinck : Centralblatt f. Bakteriologie, VIII, 1890, 716. 



Morphology and cultural characters like Bact. phosphor escens, but somewhat 



larger, longer, and more slender. Grows on potato. 

 Habitat. Isolated from fish. 



