Note: Formerly, a large part of the Diptera were included
under the genus {Musca}.
2. (Astron.) A small constellation situated between the
Southern Cross and the Pole.
{Musc[ae] volitantes}. [L., flying flies.] (Med.) Specks or
filaments apparently seen moving or glinding about in the
field of vision. Their appearance is often a symptom of
disease of the eye, or of disorder of the nervous system.