"Cochlea, X3. a, external, b, internal, cartilaginous prism; c, membranous zone; d, saccular extremity of the cochlea, or lagena; e, vascular membrane; f, auditory nerve, its middle fascicle penetrating the internal cartilaginous prism, to reach the membranous zone by its terminal filaments; g, auditory nerve, its posterior fascicle, running to the most posterior part of the lagena; h, filament to ampulla of posterior or inferior vertical semicircular canal." Elliot Coues, 1884

Eagle Cochlea

"Cochlea, X3. a, external, b, internal, cartilaginous prism; c, membranous zone; d, saccular extremity…

"Section of the cochlea, X3. a, vestibular surface of external cartilaginous prism, extending into d, the lagena; c, section of the membranous zone; e, Huschke's process of the fenestra, which, with the margins of the cartilaginous prisms, affords attachment Treviranus; i, canals in posterior wall of the lagena, by which the nervous filaments enter its cavity." Elliot Coues, 1884

A Section of an Eagle's Cochlea

"Section of the cochlea, X3. a, vestibular surface of external cartilaginous prism, extending into d,…