Exostoma, [588], [586], [587]

External characters, Cyclostomata, [150] f.;

Fishes, [152] f.

Eycleshymer, [592] n.

Eye, [155], [393], [394], [395];

degeneration in deep-sea and cave Fishes, [394];

telescopic, [395]

Eyelids, [395]

Facciola, [685] n.

Fatio, [569] n.