Some months ago the writer published his diagnosis of the holotype female (Bull. So. Calif. Acad. Sci. 39:203) of this very interesting parasite. Since that time there apparently has arisen some uncertainty among Siphonapterists as to its correct generic position. Fortunately this writer has been able to uncover some males undoubtedly strengthening his original diagnosis. It is hoped that the following description and illustrations will substantiate this opinion.