Abstract
The biochemical and cultural characters of M. violagabriellae Castellani were examined, and the cultural conditions necessary for pigment production investigated; iron and manganese were essential for pigmentation. Some pigment-containing material was isolated and its simple properties were examined. Taxonomically, the organism might warrant sub-specific rank as Staphylococcus epidermidis (or S. saprophyticus) var. violagabriellae.

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