gum bic. 
lose —Cultures were made by using the purest obtain- 
ic ose, in the form of filter paper, mixed into a pulp with 
An excellent growth took place in this 
Stock solution. This naturally fovaied: a layer upon 
, but by frequent shaking the oil was kept mixed with | 
liquid for a considerable portion of the time. Growth 
Mires was very good, anda normal development took 
, while the oil lost its characteristic appearance and : 
ed liquid became homogeneous in appearance. 
ou = Similar results to the last were es with be 
Solution gradually became darker in color until — o a 
