Order ACTINOMYCETALES
Family MYCOBACTERIACEAE
* Mycobacterium avium Chester
Experimental vectors.—Blatta orientalis, U.S.S.R. (Ekzempliarskaia in Pavlovskii, 1948).
Mycobacterium friedmannii Holland
Habitat.—Parasitic in turtles and possibly sparingly distributed in soils.
Natural vectors.—Periplaneta americana, U.S.A., Texas (Micks, in Roth and Willis, 1957a): Organism isolated from batches of intestinal tracts of cockroaches collected at random.
* Mycobacterium lacticola Lehmann and Neumann?
Natural vectors.—Periplaneta americana, U.S.A. (Leibovitz, 1951).