Bacillus metaflavus Castellani. This bacillus I have grown several times from scrapings of the skin of the axillary and pubic regions. It is a most peculiar organism, and it is very doubtful whether it is a bacillus at all; it is gram-negative.In preparations from agar cultures the organism appears as a long straight, or more often curved, large-sized bacillus; in preparations made from glucose agar cultures 48 hours old globular bodies, cryptococcus-like, 3-7 microns in diameter, are seen in addition to short, thick, bacillary forms. The growth on agar and glucose agar is of a bright yellow color, the surface of the growth may be smooth and shiny or may be crinkled. In stained preparations the organism at times appears as a diplo-bacillus with a large capsule.Bacillus flavoides Castellani. This bacillus has been isolated by me from scrapings of the skin of the axillary and pubic regions. It is Gram-negative. It grows well on all ordinary media, it does not produce gas in any sugar. The growth on glucose ...