INDEX 



[Names in italic are synonyms; figures in black-face type indicate descriptions; figures in italic denote illustrations.] 



A. 



Pag? 



Aceratherium incisivum 98 



tridactylum xxiv 



Acetabular bar 75 



Acetabulum 56 



Acknowledgments to those aiding xxvn,xxix-xxx 



Adocus variolosus 179 



Agathaumantjdse 72 



Agathaumas Cope , 11, 72, 78, 104-105, 



105-111, 112, 113. 161, 162-163, 164, 165, 168, 187, 188 



milo Cope 11, 67, 111, 112, 168 



sphenocerus 188 



sylveslre Cope 72, 84 



sylvestris Cope 4, 11, 104, 105-111. 168, 179, 184,248 



Agathaumidae Cope 10, 11. 13, 72, 113 



Alberta, fossil remains discovered in 177-178, 184 



Alisphenoids 17, 18, 17, 18, 28, SO, 120, 148 



Angular 41,43,48,130,210,252,262,266,280,286 



Ants, aid of, in collecting fossils xix, 144 



Apatosaurus . . '. 190 



Aphelops xxiv 



Arapahoe beds, description of 182-183 



fossil remains discovered in 7,174,182-183 



Armor, dermal 156 



Articular 42. 42-43, 43, 130, 210. 252, 264, 266, 280 



Assiniboia, section in 175 



Astragalus 63,79,230 



Atlas. . 47,48.76 



Auditory cavities 37 



Auditory meatus 17,28,37,37 



Austria, Ceratopsia from 12 



Axis ...48,76 



B. 



Baena antiqua 179 



Basioccipitals . 6, 15-17, 16,17, 18, 38, 82, 121, 264, 270, 272, 282, 290 



Basisphenoid 16,17,17,18,18,28, 82, 148, 290 



Batrachia 83 



Baur, George, on Dinosauria 10 



Beak : 14, 88, 118, 129, 193 



Bearpaw shales, correlation of 175 



Beecher, C. E., fossil remains discovered by 122 



Belly River beds, correlation of 174 



fossil remains discovered in. . 9,67,88-100, 161. 174, 177-179 



view of 177, its 



Belodon xvm 



Berger, Frederick, drawings by xxx 



Berry Creek, fossil remains discovered in 178 



Bibliography of Ceratopsia 196-198 



of Hatcher's works...: xx,xxm,xxiv,xxv-xxvi 



Birch Creek, fossil remains discovered in 176 



location and description of 176 



Bison .: 115, 116 



alticornis Marsh xvm, 6-8, 



11, 104, 115-116, 115, 168, 170, 172, 183, 184, 188, 234 



Page. 



Bitter Creek basin, Wyo., age of 106-107 



fossil remains discovered in 106-107 



Black Buttes station, Wyo., fossil remains discovered 



near 4, 67, 105, 161, 162, 179, 184 



Bostwick, T. A., work of ]41 



Bovida? 31, 115, 116, 118 



Brain, description of 36-38 



Brontosaurus xxv, 190 



Brontotheriidse, work on xm, xiv, xvn, xvm 



Brown, Barnum, and Lull, R. S., fossil remains discov- 

 ered by 9, 185-187 



Buckman, S. S., and Schuchert, Charles, on " plesio- 



type" 136 



Bunzel, E., on Dinosauria 82 



C. 

 Camarasaurus , xx 



Canada, fossil remains discovered in 5,9, 88-100, 177-179 



Cannon, G. L., fossil remains discovered by 6,7,116 



Carotid artery 37 



Carpus <$i 



Caudal ribs .■ 59 



Caudal vertebra? 53-55, 55, 77, 77 



Centrosaurus 161, 162, 164, 167, 168, 187 



apertus Lambe 93, 167, 168, 179, 184, 202, 206, 246 



Centrum, vertebral 114 



Ceratops Marsh xvm, 11. 



23. 32, 72, 86, 87, 95, 100, 101-104, 115-116, 117, 119, 122, 

 143, 150, 154,161, 165, 166, 168, 172-173, 176,187, 188 



(Bison) alticornis Marsh 6-8, 



11, 104, 1 15-1 16, 115, 168, 170, 172, 183, 184, 188 



(Monoclonius) belli Lambe 12, 89, 90, 



4, 96-97, 97, 100, 161, 167, 172, 173, 179, 184, 202, 24O 



(Monoclonius) canadensis Lambe 12,89,93-96,94,95, 



97, 100, 102, 161, 167, 172-173, 179, 184, 204. 208, 234, 236, 244 



horridus Marsh 11, 12, 18, 23, 27, 28, 29, 



SO, 38, 64, 104, 116, 117-122, 121, 124, 127, 128, 131, 

 148, 164, 168, 169, 172, 180, 181, 183-184, 187, 206, 250 



montanus Marsh 7,8,11, 



21, 71,87,95-97, 100, 100-102, 102, 103, 118, 119, 



161, 165, 172, 173, 176, 177, 183, 184, 204, 208 



(Hadrosaurus) paucidens Marsh. 11,103-104,172,176,184 



(Monoclonius) recurvicornis Cope xvm, 5, 5, 



6, 12, 32,72, 81-87, 86, 92, 100, 161, 

 165, 167, 172, 173, 176. 188.206,208 



sp. 



204 



Ceratops beds, age of xxi 



deposition of 194 



location and description of 180 



Ceratopsia, appearance of 188-193 



bibliography of '.... 196-198 



classification of. 10-12 



collection of xix, 144,185-18" 



descriptions, systematic, of 66-157 



discovery of, history of 3-9 



295 



