complications in classification, [413].

Ophidiana, s. gossip, [1], [26].

Ophidion, [49];

Ophiodes, ib.

Ophiology;

meaning of, [47];

advance of, [3], [47], [75].

Ophis, the seeing, [48].

Oppel, herpetologist, [383].

Organization of the Animal Kingdom’ (see [Jones]).