Fig. 1. Anterior articular surface of mutilated dorsal vertebra. Fig. 2. Posterior articular surface of the same vertebra. Fig. 3. Side view of the same vertebra. Fig. 4. Anterior surface of entire caudal vertebra. Fig. 5. Posterior surface of the same vertebra. Fig. 6. Side view of three consecutive caudal vertebræ. All the vertebræ are of the cetiosaurus brevis, and are figured one fourth the natural size. Date: 1870s.