140 



Manus 72, 74, 89, 90, 101, 103 



Marsh, O. C, figures by 33, 



44, 48, 52, 54, 56, 58, 59, 60, 63, 66, 

 69, 78-80, 82, 84, 88, 90-92, 94, 122 



fossil collections of 24, 106 



fossil remains described by. . . 1, 26, 

 27, 78, 79, 80, 82, 101, 

 102, 105, 106, 108-110 



on Diracodon 109 



on Hoplitosaurus 115 



on Nodosaurus 118 



on Stegosaums 43, 45, 



55, 57, 61, 71, 88, 90, 91, 93, 94, 96, 125 



work of 1 



Mastodon 81 



Maxillary 27, 33, 34, 44, 105, 108, 109 



Medulla oblongata 43 



Metacarpals. 71, 72, 73-75, 77, 105 



Metacarpus 72-75 



Metatarsals 87, 88, 89, 90, 101, 103 



Metatarsus 87-89 



Merrill, George P., on examination of sand- 

 stone matrix 25 



Montana, Fergus County, fossil remains 



found in 122 



Morrison, Colorado, fossil remains found 



near - 103 



formation 103, 105, 109, 111 



Morosaurus sp 4 



agilis Marsli 25 



lentus Marsh 4 



Muscles, caudo-femoral 82 



flexor 84 



gluteal 117 



N. 



Nails 70, 125 



Nares, anterior 41, 105 



posterior 36, 41 



Narial orifice 33,34 



Nasals 27, 31, 32, 33, 34, 41, 102, 105 



Natrona County, see Wyoming. 



Neck 63, 91, 96, 98, 99, 107, 109, 123-125 



Nerves, facial 42 



glossopharyngeal 42 



oculomotor 43 



olfactory 31, 43 



optic 43 



pneumogastric 42 



sacral - 56 



trigemnial 42 



vagus 42 



Nervous system 57 



Neuracentra 45, 46 



Neural arch 49, 50, 57, 78, 102, 103, 117 



Neiual canal 46-50, 56, 59, 101, 103, 117 



brachial enlargement 50 



Neural cavity, see Sacral cavity. 



Neural processes 51, 56, 113, 117 



Neural spines 49-52, 54, 56-59, 94 



Neurapophyses 48 



New Haven, Conn., fossil collection shipped 



to 106 



Nodosaurus '. 118 



Nopcsa, F. Baron 47 



on Polacanthus 118-121 



on Stegosaurus 52, 64, 80-82, 96 



Notch, intercondylar 82, 117 



0. 



Occipital condyle 88, 29, 45, 46, 125 



Occipital segment 28 



Odontoid 45,46,47 



Olfactory lobes 32 



Omosaurus 80, 101, 102 



armatus Owen 102 



hastiger, Owen 102 



Openings in the skull, external 40-43 



Opisthotic 27, 29, 32 



Optic lobes 43 



Orbitosphenoid 27, 30, 31, 43 



Orbits 27, 28, 33, 41, 102, 105 



Omithopoda 30, 55, 80, 87, 88, 102 



Omithopodidae 82 



Osbom, H. F., on Diplodocus 81, 117 



Ossicles 91, 99, 103, 105, 115, 118, 124, 126 



Osteology of Stegosaurus 26-100 



Owen, Richard, on Iguanodon 81 



on Scelidosaurus 124 



Palatine 27, 34, 36 



Paraoccipital - 27, 28, 29 



Parapophyses 48, 50, 54, 63 



Parietal 27, 29, 30, 31, 32, 35,40, 105 



Peduncle, iechiac 78, 79 



pubic 78,79,83 



Pelvic arch 53, 56 



Pelvis 77, 79, 99, 103, 107, 125 



Pes 86, £0, 101, 103 



Phalanges 70, 74, 75-77, 87, 88, 89, 90, 105, 125 



Phalanx 73-77, 89 



Pisces 4,25 



Pisiform 70, 71, 72, 73, 74, 109 



Pituitary body 43 



Plates, caudal 93-95,115,124 



dermal 51, 97-103, 105-107, 109, 



114, 115, 119, 120, 122-124, 126 



