D. volans, [516], [516]

Duméril, [7], [139];

and Bibron, on classification of Snakes, [592]

Dwarf Chameleon, [579]

Dyscophinae, [139], [235] f.

Dyscophus, [236];

D. antongili, [236]

Ear, of Chelonia, [330];

of Crocodiles, [445] f.;

of Snakes, [583]