VI TABLE OF CONTENTS. 



The genus Antrodemus — Continued. 



Osteology Antrodemus — Continued. Page. 



Vertebral column 31 



Atlas 31 



Axis 32 



Cervicals posterior to the axis _ 34 



Dorsal vertebrae . . . . 36 



First and second dorsals 37 



Third and fourth dorsals 37 



Fifth dorsal 39 



Sixth to the thirteenth dorsal 39 



Fourteenth dorsal 42 



Measurements of presacral vertebrae 43 



Sacral vertebrae 43 



Measurements of sacral vertebrae 45 



Caudal vertebrae '. 45 



Chevrons 48 



Ribs 48 



Cervical ribs 48 



Thoracic ribs 50 



Abdominal ribs 53 



Fore limb and foot , 55 



Scapula. 57 



Coracoid 58 



Humerus 58 



Ulna 4 59 



Eadius ' .' 60 



Carpus 60 



Metacarpus : 61 



Phalanges ; 62 



Phalangial formulae of various Theropod Dinosauria 64 



Pelvis 65 



Ilium 65 



Pubis 66 



Ischium 67 



Hind limb and foot : 68 



Femur 68 



Tibia 69 



Fibula 71 



Tarsus 71 



Calcaneum 71 



Astragalus 72 



Metatarsus 73 



Phalanges 74 



Family Ceratosauridae 76 



Family characters 76 



Generic characters 76 



Ceratosaurus nasicornis Marsh 76 



Osteology of Ceratosaurus 78 



Skull 78 



Basioccipital 79 



Exoccipital -. 79 



Paraoccipital 79 



Supraoccipital 79 



Alisphenoid 79 



