FAMILY BACTERIACEAE 



617 



15. Cellulomonas pusilla. 



16. Cellulomonas gclida. 

 II. Motility not recorded. 



A. Gelatin liquefied. Chroniogenic. 

 1. Milk acid. 



a. Ammonia not produced. Acid from glucose. 



17. Cellulomonas flavigenu. 



aa. Ammonia produced. Xo acid from carbohydrates. 



18. Cellulomonas rossica. 



1. Cellulomonas biazotea (Kellerman 

 et al.) Bergey ot ;i]. (Bacillus biazoteus 

 Kellerman, McBetli, Scales and Smith, 

 Cent. f. Bakt., II Aht.. 39, 1913, 506; 

 Bergey et al., Manual, 1st ed., 1923, 

 158; Proteus cellulomonas var. Proteus 

 biazoteus Pribram, Klassifikation der 

 Schizomvceten, Leipzig und Wien, 1933, 

 72.) 



This is the type species of the genus 

 C ellulomonas . 



Rods: 0.5 by 0.8 micron. Motile with 

 one to three peritrichous flagella. 

 G ram -nega t i ve . 



Gelatin stab: Liquefaction. 

 • Agar slant: Luxuriant yellow growth. 



Cellulose agar: Enzymatic zone 0.25 

 mm or less in width. 



Peptone cellulose agar: Xo enzymatic 

 zone. 



Broth: Turbid. 



Litmus milk: Acid. Xo curdling or 

 digestion. 



Potato: Grovv.s well. 



Indole not formed. 



X'itrites produced from nitrates. 



Ammonia not produced. 



Acid from glucose, maltose, lactose, 

 sucrose, and glycerol. Xo acid from 

 mannitol. 



Aerobic, facultative. 



Optimum temperature 20^C. 



Source: Soil from Utah. 



Habitat: Soil. 



2. Cellulomonas aurogenes (Kcllernuui 

 et al.) Bergey et al. [Bacillus aurogenes 

 Kellerman, McBeth, Scales and Smith, 

 Cent. f. Bakt., II Abt., 39, 1913, 505; 

 Bergey et al.. Manual, 1st ed., 1923, 



157.) From Latin and Greek, gold-pro- 

 ducing. 



Rods: 0.4 by 1.4 microns. Motile 

 with one to three peritrichous flagella. 

 Gram-negative. 



Gelatin stab: Liquefaction. 



Agar slant: Luxuriant yellow growth. 



Cellulose agar: Enzymatic zone 0.5 to 

 1.5 mm wide. 



Broth: Turbid. 



Litmus milk: Acid, digested. 



Potato: Luxuriant growth. 



Indole not formed. 



Xitrites produced from nitrates. 



Ammonia produced. 



Acid from glucose, maltose, lactose, 

 sucrose, starch and glycerol. No acid 

 from mannitol. 



Aerobic, facultative. 



Optimum temperature 20°C. 



Source: From soil from Louisiana and 

 Maine. 



Habitat: Soil. 



3. Cellulomonas galba (Kellerman et 

 al.) Bergey et al. [Bacillus galbus 

 Kellerman, McBeth, Scales and Smith, 

 Cent. f. Bakt., II Abt., 39, 1913, 509; 

 Bergey et al.. Manual, 1st ed., 1923, 157.) 

 From Latin galbus, yellow. 



Rods: 0.4 by 1.0 micron. Motile with 

 one to three peritrichous flagella. 

 Gram -negative. 



Gelatin stab: Liquefaction. 



Agar slant: Lu.xuriant yellow growth. 



Cellulose agar: Enzymatic zone 0.5 mm 

 in width. 



Broth: Turbid. 



Litmus milk: Acid, digested. 



Potato: X'o growth. 



Indole is formed. 



