Metabolism of fluorene in the rabbit.

Mycobacterium &megmati at a concentration of 1: 20,000 and Myco. phlei at 1:10,000 but was completely inactive against an unidentified species of Mycobacterium not listed in Table 1. Fusein-thioglycollic acid. The results obtained. are summarized in Table 2. They indicate that, in general, the conversion of fuscin into its thioglycollic acid derivative caused a remarkably small change in its antibacterial spectrum, cf. Table 1.