Duncan, Professor Martin, [376], et seq.
E
Echidnine, [534].
Edentata, [413].
Effeldt, Rudolph; observations of the tongue, [124].
Egg: producers, ‘insects’, [43];
covering, [432], [433], [435], et seq. (see [incubation], [oviparous], [ovoviviparous], etc.).