294 BACTERIOLOGY 



Milk. Coagulated, with a separation of serum. 



Litmus milk. Decolorized. 



Habitat. Isolated from putrefying flesh. 



244. B. amylozyma Perdrix 



Ann. Pasteur Inst., 1891, 287. 



Morphology. Bacilli 0.5 : 2-3 /x ; in twos or short chains. 



Gelatin colonies. Small, gas-forming. 



Potato. At 37, white colonies, which soften the medium. In saccharine 

 media acetic and butyric acids, with much gas. Starch converted into- 

 sugar, into ethyl and amyl alcohol, and into butyric acid. Cellulose 

 attacked. 



Habitat. Water. 



245. B. solidus Liideritz 



Zeitsch. f. Hygiene, V, 1889, 149. 



Morphology. Bacilli 0.5 : 1-5 /A; not in filaments. 



Gelatin stab. Slight growth in depth ; no gas. 



Glucose gelatin stab. In depth, round colonies, with gas ; odor of butyric acid. 



Agar colonies. Look like little flocculi of cotton wool. 



Bouillon. At 37 turbid ; bad gases. 



Habitat. Earth. 



246. B. tardus 



Anaerobic No. Ill Sanfelice : Zeitsch. f. Hygiene, XIV, 1893. 



Morphology. Bacilli short rods, similar to the preceding. Grow very slowly. 

 Gelatin colonies. Golden yellow, granular, sharp. 

 Gelatin stab. In depth, isolated colonies. 

 Habitat*. Earth, putrefying fluids, etc. 



247. B. muscoides Liborius 



Zeitsch. f. Hygiene, I, 1886, 115. 



Morphology. Bacilli thick, with slight tendency to form filaments. 

 Gelatin and agar colonies. With delicate, branched, mossy offshoots. 

 Gelatin stab. Growth arborescent. 

 Habitat. Earth. 



