TABLE OF CONTENTS. VII 



Family Ceratosauridae — Continued. 



Osteology of Ceratosaurus — Continued. 



Skull — Continued. • Page. 



Basisphenoid v 8^ 



Parasphenoid 80 



Parietal , 80 



Frontal 81 



Prefrontal 81 



Postfrontal + postorbital 81 



Lachrymal 81 



Nasals 82 



Preinaxillary - 82 



Maxillary 83 



Quadratojugal 83 



Jugal 83 



Quadrate 84 



Squamosal 84 



Palate 84 



Comparative measurements of Ceratosaurus and Antrodemus skulls 88 



Lower jaw 88 



Dentary 88 



Supradentary 89 



Angular .' 89 



Surangular 90 



Splenial 90 



Coronoid 90 



Articular 90 



Prearticular 90 



Comparative measurements of Ceratosaurus and Antrodemus lower jaws 91 



Hvoid 92 



Teeth 92 



Brain 93 



Vertebral column 93 



Atlas 94 



Axis 95 



Cervicals posterior to the axis 95 



Dorsal vertebrae 96 



Measurements of presacral vertebrae 97 



Sacral vertebrae 97 



Caudal vertebrae 98 



Measurements of caudal vertebrae 100 



Chevrons 100 



Ribs 101 



Thoracic ribs 101 



Abdominal ribs '. 102 



Shoulder girdle 102 



Scapula 102 



Fore limb and foot 103 



Ulna 103 



Radius 103 



Forefoot 104 



Carpus 104 



Metacarpus 104 



Phalanges 105 



