Chelonemydidae, [380]

Chelonia, [312];

number of species, [312];

affinities of, [312];

classification, [313];

key to living families, [314];

plastron, names of the horny shields, [315]; [321], [325];

vertebrae, [314] f., [316];

skull, [280], [317], [356], [364], [379], [400], [405];

skeleton of Testudo, [319];