Fig. 1. Skeleton of Plesiosaurus rugosus, 1-14th nat. size.

Fig. 2. Bones of forearm, carpus, and metacarpus, of ditto; in outline, 1-6th nat. size.

Fig. 3. Bones of leg, tarsus, and metatarsus, of ditto; in outline, 1-6th nat. size.

Fig. 4. Bones of forearm, carpus, and metacarpus, of Plesiosaurus macrocephalus; in outline, 1-6th nat. size.

Fig. 5. Bones of forearm, carpus, and metacarpus, of Plesiosaurus dolichodeirus; in outline, 1-6th nat. size.

Fig. 6. Bones of forearm, carpus, and metacarpus, of Plesiosaurus Hawkinsii; in outline, 1-6th nat. size.