Plate XIX. 



Pectoral and pelvic girdles of plesiosaurs. 



Fig. I, pectoral girdle of Plesiosaurus, after Owen. 



Fig. 2, pectoral girdle of Plesiosaurus, after Woodward. 



Fig. 3, pectoral girdle of Plesiosaurus laticeps, after Owen. 



Fig. 4, pectoral girdle of Elasmosaurus platyurus, after Cope. 



Fig. 5, pelvic girdle of same, after Cope. 



ic, episternum; cl, clavicle; so, scapula; co, coracoid ; /», pubis; is, ischium. 



