THE CLASSIFICATION OF BACTERIA l8l 



B. No growth in milk. 



i6i. Bact. phosphorescens (Cohn) Fischer. 



162. Bact. Giardii. 



II. Grow on ordinary (acid) potato. 



A. Grow in nutrient bouillon in the absence of NaCl. 



1. Bouillon fluorescent, potato becomes black. 



163. Bact. Lepierrei. 



2. Bouillon not colored. Potato light brown. Colonies of the 



aerogenes type. 



164. Bact. iris (Frick). 



B. Do not grow in nutrient bouillon in the absence of NaCl. 



165. Bact. Pflugeri (Ludwig). 



160. Bact. smargadinum (Katz) 



B. smargadino-phosfhorescens Katz : Centralblatt f. Bakteriol., IX, 1891, 343. 



Morphology. Bacilli i.o : 2.9 /n; ends somewhat pointed ; solitary and in pairs. 



Gelatin colonies. Deep: 18 hours, oval, entire, 0.15 mm., concentric. Sur- 

 face: 18 hours, thin gray to yellowish, slightly granular; margin translu- 

 cent, slightly dentate ; 20 days,' 2 mm., flat, irregular ; centre yellowish, 

 with a slate-colored zone. 



Gelatin stab. Along line of stab growth thin ; surface growth flat, becoming 

 5 mm., with a stearin lustre. 



Agar slant. Growth slight. 



Bouillon. No growth without NaCl. 



Milk. A glistening, sticky layer on the surface. 



Botato. No growth when acid ; neutralized with sodic phosphate growth 

 thin, brownish. Cultures added to sea water caused a decided phospho- 

 rescence. 



Habitat. Isolated from herring (Sidney). 



161. Bact. phosphorescens (Cohn) Fischer 



M. fhosphorescens Cohn : Vesamaling van stukken betr het genes Slaatsoez in Nederland, 



1878, 126. 

 Bact. phosphorescens Fischer: Zeitsch. f. Hygiene, II, 1887, 54. 

 Photobact. phosphorescens Beijerinck: Centralblatt f. Bakteriol., VIII, 1890, 716. 



According to Kruse (Flugge, Die Mikroorganismen, 1892, 332), closely related 

 to, or identical with, the preceding. 



