AURICLE

(Lat. auricula, a Z2«/e ear.) Signifies, in Mammalogy, the external ears, which are said to be ' marginate ' (aurtculcB marginatce) when bordered by a helix, or involute m.arg in; — to be 'operculate' {auriculcB operculatce) when provided with a largely developed tragus, which stands out like a subsidiary auricle; — to be 'concealed' (auricuUe abscond i tie) when covered by tlie hair. In Ornithology, the circle of feathers surrounding the entry to the ear-pa age are called auriculars. In Anatomy, the venous chambers of the heart are termed auricles. [s. 121]