Cystignathidae, [139], [209] f.;

distribution, [161]

Cystignathinae, [139], [211] f.

Cystignathus = Leptodactylus, [210], [218]

Dab = Uromastix, [526], [526]

Daboia, [643]

Dactylethra;

see Xenopus, [146] f.

Darwin, on Conolophus, [532] n.;

on tortoises of Galapagos Islands, [377]