158 



INDEX. 



Page. 



Metatarsus 73-75, 112, 113 



measurements of 75, 106, 113 



iddle Park, Colorado, fossil specimens from. G 



Montana, Fergus County, fossil specimens 



from 123 



orrison formation (54 



udge, B. F., fossils collected by 3, 77, 11-1 



Muirkirk, Maryland, fossils found near. 119, 120, 126 



Murphy, J. K., fossils collected by 116 



N. 



Nasal horn 83 



Nasals 15, 18, 19, 83 



Neuropophyses. ; 31, 33, 94 



Niobrara County, fossils from. See Wyoming. 



O. 



Obturator process 68 



Occipital condyle 10, 11 



Odontoid 33, 94 



Oil Creek, Colorado, fossils from 114 



Olecranon process 59, 103 



Orbital opening 38 



Orbitosphenoid - 12, 13, 14 



Ornithomimid 1, 121, 137, 140, 141 



Ornithomimidae 129, 132, 137 



Ornitholestes 20, 55, 61, 64, 82, 128, 136, 145 



hermaiini 59, 61, 64, 126 



Ornithomimus 47, 



59, 61, 107, 123, 129-132, 135, 137, 138, 142, 145 



affinis Gilmore 1, 121, 131, 137-143 



altus Lambe 64, 130-132, 134, 135, 137-143 



grandis Marsh 1, 121, 122, 129, 131 



minutus Marsh 1, 129, 131, 143-144 



sedens Marsh 1, 129, 130, 131-135, 141, 142 



tenuis Marsh 1, 129, 131, 135-137 



velox Mar.sh 129-131, 136, 137, 143 



Ornithopoda 129 



Osborn, H. F 40 



on abdominal rib* 53 



on Deinodon 123 



on dentary 25 



on hallux 73 



on lachrymal 17 



on maxillary 20, 22 



on Ornitholestes 128 



on Ornithomimus 130, 132, 135 



on postfrontal, postorbital complex. ... 16, 81 



on prearticular 28 



on presplenial 26, 89 



on Theropod skull 144 



on Tyrannosaurus 112 



work of 9, 10, 12, 14 



Page. 



Ossicles 113 



Osteology of Antrodemus 7-75 



Osteology of Ceratosaurus 78-114 



Ottawa Museum, fossils in 131 



P. 



Palate 84-87 



Palatine 85, 86 



Paraoccipital 11, 13, 79 



Parasphenoid 13, 80 



Parietal 12,14,15,17,29,80,81 



Peabody Museum, fossil specimens in... 3,56,64 

 Pelvis 65, 106 



of Ornithomimus sedens Marsh 135 



Phalanges, fore foot 63, 63, 105, 106 



measurements of 63 



Phalanges, hind foot 74-75 



measurements of 75 



Phy tosauridae 144 



Pituitary body 93 



Plateosaiirus 144 



Pleurocoelus 141 



Poicilopleuron 2, 6 



bucklandi 6 



valene Leidy 2, 5, 6, 7 



Postfrontal 16, 81, 85 



Postorbital 16, 29, 80, 81 



Postpalatine vacuity 85, 87 



Prearticular 26, 38, 90, 91 



Prefrontal 8, 15, 16, 81 



Premaxillaiy 8, 18, 19, 30, 29, 83, 83, 92 



Presphcnoids 13 



Priconodon 141, 142 



crassus Marsh 141 



Prince Georges County, Maryland, fossils 



from 119, 121, 126, 137 



Prootics 11, 12, 13, 16, 17, 19 



Pterygoids 8, 13, 23, 24, 84-87 



Pubis 66, 67, 107, 108 



of Ornith omimus sedens Marsh 135 



Q. 



Quadrate 8,22,33,78,84,87 



Quadrate foramen 23, 28 



Quadratojugal 8, 32, 33, 83 



Quarry No. 1, fossils from. 7, 58, 72, 77, 114, 124, 129 



Quarry No. 9, fossils from 7, 127 



Quarry No. 13, fossils from 129 



Quarry C, fossils from 7 



map of 38 



Quarry D, fossils from 7 



Quarry "Bone Cabin," fossils from 9, 93, 128 



Quarry Peterson's, fossils from 143 



