INDEX. 



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



A. Page. 



Aceratherium incisivum 98 



tridactylum xxiv 



Acetabular bar 75 



Acetabulum ~6S 



Acknowledgments to those aiding xxvn. xxix-xxx 



Adocus variolosus 179 



Agathaumantidae 72 



Agathaumas Cope 11,72,78.104-105, 



105-111, 112, 113, 161, 16-2-163, 164, 165, 168, 187, 188 



miloCope 11,67,111,112,168 



sphenocerus 188 



sylv eslre Cope 72, 84 



sylvestris Cope 4,11, 104, 105-111, 168, 179, 184, £4* 



Agathaumida: Cope 10, 11. 13, 72, 113 



Alberta, fossil remains discovered in 177-178, 184 



Alisphenoids 17, 18, 27, 18,28, SO, 120, 148 



Angular 11,42,48,130,810,252,888,266,280,286 



Ants, aid ot, in collecting fossils xix, 144 



Apatosaurus 190 



Aphelops xxiv 



Arapahoe beds, description of 182-183 



fossil remains discovered in 7, 1 74, 182-183 



Armor, dermal 156 



Articular 42, 42-43, 48, 130, 210, 252, 264, 266, 880 



Assiniboia, section in 175 



Astragalus 63,79,230 



Atlas 47,48.76 



Auditory cavities 81 



■ Auditory meatus 17,88,87,37 



Austria, Ceratopsia from 12 



Axis 48,76 



Baena antiqua 179 



Basioccipitals . 8, 15-17, 18, 17, 18, 88, 82, 181, 264, 270, 272, 282, 290 



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



Batrachia 83 



Baur, George, on Dinosauria (i 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, 178 



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, 284 



Fage. 



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 141 



Bnvidffi 31, 115, 116, 118 



Brain, description of 36-38 



Brontosaurus xxv, 190 



Brontotheriidae, 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. T fossil remains discovered by. .' 6,7,116 



Carotid artery 87 



Carpus 61 



Caudal ribs 59 



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



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



apertus Lambe 93, 167, 168, 179, 18,4,208, 806, 846 



Centrum, vertebral 11 4 



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, 115-116, 115, 168, 170, 172, 183, 184, 188 



(Monoclonius) belli Lambe 12, S9, 90, 



4, 96-97, 97, 100, 161, 167, 172, 173, 179, 184, 202,240 



(Monoclonius) canadensis Lambe 12, 89, 93-96, &{, £5, 



97, 100, 102, 161, 167, 172-173, 179, 184, 204.208, 234, 286, 244 



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



SO, 38, 84, 104, 116, 11 J-122, 121, 124, 127, 128, 131, 

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



mont anus 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 ISO 



Ceratopsia, appearance of 1S8-193 



bibliography of 196-198 



classification of 10-12 



collection of xix, 144, 185-187 



descriptions, systematic, of 66-157 



discovery of, history of 3-9 



295 



