skull, [399];

Ch. longicollis, [402] f., [403]

Chelone, skull, [317];

skeleton, [320];

plastron, [321];

shields, [327];

intergular shields, [325];

Ch. mydas, [381] f.;

various modes of fishing, etc., [382], [383];

Ch. imbricata, [384], [385]