Butyric Acid

(bacilli); or of twisted rods (spirilla). Bac- Fermentation. See Bacillus butyric us, teria are either aerobic requiring free oxy- Hueppe and Prazmowski. Bacillus butylicus, gen, or anaerobic, not requiring free oxygen. Fitz. Bacilli of Fermentation of Carbo- Again, certain forms appear to po e the hydrates. See Bacillus acid i lactic i, Hueppe. ability to flourish in either condition, and are Bacillus butyric us, Hueppe and Prazmowski. known as facultative aerobic or anaerobic. Bacillus butylicus, Fitz. Bacillus dysodes, Zopf. Bacteria are either motile or nonmotile; they Bacillus polymixa, Prazmowski. Bacilli of may exist as saprophytes, facultative par- ch120.xhtml g 105