296 



INDEX. 



Page. 



Ceratopsia, distribution of 174-184 



distribution of, map showing 294 



environment of 194-195 



European representatives of 12-13 



evolution of 187-188 



extinction of, causes of 195 



genera and species of, list of 11-12 



habits of 193-194 



osteology of 14-64 



phylogeny of 161-162 



restorations of 188-190 



views of Frontispiece, 189, 190, 291, 



taxonomy of 162-174 



Ceratopsia localities, geology and physiography of . . 174-184 



map showing 294 



Ceratopsid® Marsh 5,7,10,11,12,67,69 



Ceratosaurus 101 



Cerebellum 39 



Cervical ribs 4S.59.76 



Cervical vertebra; 46-49. 47, 48, 76, 76, 80, 278 



Cetiosauria 10,11 



Cetiosaurus 107 



Chamaeleo 72 



Chelonia 14 



Cimoliasaurus 179 



Cionodon 69 



arctatus Ill, 112, 113 



Claggett formation, occurrence of 175,176 



Claorhynchus Cope 11, 114, 166 



trihedrus Cope 11, 114, 166 



Claosauridte 156 



Claosaurus XVIII, 194, 195 



Climate, change of, extinction of Ceratopsia due to 195 



Cnemial crest 63 



Collecting, methods of 185-187 



Colorado, fossil remains discovered in 5, 



6, 67, 101, 111, 115-116, 118, 132, 174, 182-18'4 



Colorado group, section of 175 



Converse Co., Wyo. See Wyoming 



Cope, E. D., explorations by 5-6 



figures by 24S 



fossil collections of 66 



fossil remains described by 4,5,67-88,104-114 



fossil remains discovered by 5, 176 



Coracoid 58, 59, 78, 79, 90-91, 238 



Coronoid 137,237 



Coronoid process 40, 



41,43, 94, 130, 137, 137, 14O, 210, 252, 266, 280, 286 



Cow Creek, fossil remains discovered on 176, 177 



location and description of 176-177 



Cow Island, Mont., fossil remains discovered near. ... 87, 176 



Cranial armature 31-34, S3 



Cranium IS, 15-36, 82, 101, 141-142 



Cratseomus Seeley 12 



lepidophorus Seeley 12 



pawlowitschii Seeley 12 



Crest '. 19-22, 89, 90, 97, 150, 162, 202, 240, 244, 246 



See also Frill. 



Crocodilia 107 



Cross, Whitman, fossil remains discovered by 7 



D. 



Dawson, G. M., fossil remains discovered by 5 



on Belly River beds 178 



Deltoid ridge 79 



Dental foramina 26, 41, 41, 130 



Dental groove 29,30,46, 282 



Page. 



Dental magazine 46, 130 



Dentary 19,38, 



40-4 1,41,43,130,140,140,171, 210, 252, 262-266, 280, 286 



Denver, Colo., fossil remains discovered near 6, 182-184 



Denver beds, age of 116 



description of 183 



fossil remains discovered in 6, 



67, 115-116, 132, 161, 174, 182, 183 



Dermal spines and plates 65 



Diapophyses 48, 48, 49, 52, 53, 91 , 92, 95, 106, 107 



Diceratherium xxiv 



Diceratops XXVII, 149, 161, 163. 164, 166, 168, 181, 187, 193 



hatcheri Lull .... 149, 168, 181, 184, 192, 202, 206, 208, 292, 294 



Diclonius (Claosaurus) xvm, 65, 70, 71, 82 



calamarius 82 



perangulatus 82 



Dinocerata xm, 118 



Dinosauria Owen •. . 5, 



10, 11, 56,82, 83, 111, 113, 118, 127, 143, 157, 191 



Dinosaurs, characteristics of 10 



classification of 156 



Diphyodus longirostris 179 



Diplodocus Marsh xx, xxiv, xxv 



carnegiei xxv 



Discovery of Ceratopsia, history of 3-9 



Dog Creek, fossil remains discovered at 5, 81, 103, 175-176 



location and description of 175-176 



Dolichorhinus xxiv 



Dorsal ribs 59 



Dorsal tendons, ossified 55 



Dorsal vertebrse 49-51, 



50,51, 76-77, 77, 95, 106, 107, 109, 212, 214, 278 



Dry Creek, fossil remains discovered on 180 



Dryptosauridse 156 



Dryptosaurus 114, 166 



Dysganus Cope 12, 67, 67-70, JO, 166 



bicarinatus Cope 12, 67, 68. 166 



encaustus Cope 12,67,67-68,69,116 



haydenianus Cope 12, 67, 68, 166 



peiganus Cope 12, 67, 69-70, 166 



Eagle formation, occurrence of 175 



Elasmotherium sibiricum 98 



Eldridge, G. H., fossil remains discovered by.. 7,101,116,132 



Environment of Ceratopsia, character of 187-188, 194-195 



Epijugals 14, 22, 34, 154, 155, 252-256, 266, 270 



Epoecipitals 14, 18' 19, 20, 21,22, 22, 34, 126, 135, 141-142, 



202, 252-266, 270, 274, 276, 280, 282, 286, 288, 292, 294 



Europe, Ceratopsia from 12-13 



Eustachian canal 18,27,29,81,290 



Evolution of Ceratopsia, outlirfe of 187-188 



Exoccipitals 6, 15-17, 



16, 17, 18, 37, 38, 82, 121 , 141, 264, 270, 272, 282, 290 



Exoskeleton : 65 



Extinction of Ceratopsia, causes of 195 



Eyes, development of 38-39 



Feeaing, methods of 46,193-194 



Femur 62,63,79,90,226,228 



Fibula 62-63, 64, 80, 80 



Fish Creek beds, correlation of 174 



Fontanelle, interpremaxillary 31 



Fontanelle, parietal 20,90,151,202 



Fontanelle, postf rontal 20,24,38,202,272,276, 294 



