INDEX. 



297 



Page. 



Fontanelle, supratemporal 18, 97 



Food, character of 46, 193-194 



Foot, fore 59-60, 61, 62, 190, 232, 294 



Foot, hind 63-64. 64. 1S9, 190, 232, 294 



Foramen, anterior palatine 31,36 



Foramen, infraorbital 26,27,129 



See also Foramen, lachrymal. 



Foramen, interpterygoid 27,28 



Foramen, lachrymal 164, 



169, 171,218, 260, 266, 268, 280, 284, 286, 292, 294 



Foramen, olfactory IS, 18, 28, SO, 37, 164 



Foramen, optic 17, 19, 28, 37, 38 



Foramen, parietal 35, 151 



Foramen, pineal, description of 24,35 



See also Fontanelle, postfrontal. 

 Foramen, postfrontal 22, Zo, 1*51, 154 



See also Fontanelle, postfrontal. 



Foramen, pter--go-palatine 26,27,28 



Foramen, temporal 35, 151 



Foramen laceriim posterius 17, 17, 18, 28. 36-37, 37, 39 



Foramen magnum 6,16,36,121,264,272 



Foramen ovale 17,18,18,37,37,39 



Foramen jotundum 17, IS 



Foramina, dental 26, 26, 41, 41 



Foramina, miscellaneous 16-18, 16, 



17, 26-28, 26-28, 30, 31, 36-37, 37, 41, 41,42, 75, 82, 89 



Fossse, temporal 35, 151 



Fossae, supratemporal 20,22, 34-35. 151 , 154, 154 



Fossils, collecting of. aid of ants in xix, 144 



Frill 14,16,20, 19-22, 



125-126, 131. 154, 162, 164, 166, 169, 170, 171, 187, 202 



Frontal region 24-25 



Frontals 18, 22, 24, 30, 38,74, 



74-75, 80, 99, 124, 145, 242, 254, 256, 268, 276, 288, 294 



Genera and species, systematic descriptions of 66-157 



revision of 161-174 



Gilmore, E. W., on Triceratops prorsus 189-191 



work of 163,189 



Glenoid cavity 58, 59, 78, 90-91, 238 



Gosau beds, Ceratopsia from 12 



Green Mountain Creek, Colo., fossils found on 6 



Guernsey, C. A., fossil remains collected by 7-8,117,118 



II. 



Habits of Ceratopsia, sketch of 193-194 



Hadrosaurida? 113 



Hadrosaurus 5, 71, 103. 107, 112. 156 



breviceps 103 



foulkei : 68 



occidentalis Leidy 111,168 



paucidens Marsh 11, 103-104. 172, 176, 184 



tripos Cope 106 



Hallopus 194 



Haplocanthosaurus xx, xxv 



Hatcher, J. B., biographical sketch of xvii-xxvii 



collections of fossils by xviii-xix, xxrv, 185 



death of xiv, xvn 



discovery, classification, osteology, and systematic 



descriptions of Ceratopsia by 3-157 



explorations of xvn-xx, xxin 



figures by 16-18, 20, 21, 23-31, 33, 37-42, 44-47, 50, 



53-58, 60, 61, 73-81, 88, 99, 10 , 102, 114, 121, 128, 132- 

 134, 137, 140, 154, 189, 250, 258, 260, 274-2S4, 290-294 



fossil remains described by 141-142, 149 



fossil remains discovered by xvin-xi x , 



xxix, 101, 135, 143, 150 



Page, 



Hatcher, J. B., map by 294 



on geologic deposition xxm 



on Hadrosaurus paucidens 172 



on Judith River beds 175 



on Mesozoic conditions 194 



on Monoclonius 172-173 



on stratigraphic range of titanotheres xvm 



on Torosaurus 161, 174 



on Triceratops 164 



preface by xxix-xxx 



scientific contributions of xx-xxvn 



work of xiv. xvii-xxvii 



Hatcher, J. B., and Stanton, T. W., on Judith River 



beds 174-175, 177 



Hay, O. P., on Dysganus 70 



Hayden, F. V., fossil remains discovered by 3 



work of 3 



Hearing, sense of 39 



Hell Creek, Mont., fossil remains discovered on 9, 



179, 182, 1S4-187 



Horn core, nasal 14, IS, 22, 28, 32-33, 33, 38, 85, 86, 88, 88, 



S9, 92, 93, 115, 121, 129. 129, 132, 136, 137, 139, 140, 

 140, 141, 151, 154, 154-155, 162-171, 173, 174, 187, 206, 

 234, 246, 250, 258-262, 266, 268, 274, 276, 280, 284, 286 



Horn core, supraorbital 5, S, 14, 18, 19, 22, 24, 28, 30, 31, 



32, 38, 74, 85, 86, 86, 94, 94, 102, 103, 115, 121, 121 , 128, 

 131, 133, 133, 134, 135, 141, 151, 152, 154, 154, 162-165, 

 167-174, 187, 20*8, 234, 252-276,280, 284-288, 292-294 



Horn cores, discovery of xvm, 7, 8 



Hulke, J . W., on Dinosauria 82-83 



Humerus 60, 60,79,79-80, m,222 



Plyl-eosaurus 13 



Iguanodontia 10 



Ilium 54, 56, 56-57 , 77-78, 78, 106, 107, 109, 162, 163, 165 



Isaac, J. C, work of 5 



Ischium 56, 57-58, 58, 78, 78-79 



Jaw, lower 39-43, 40-43, 94, 94-95, 



126, 136-137, 137, 139, 142, 210, 236, 252, 266, 280, 286 



Judith River beds, age of xx, xxn, 104, 174 



fossil remains discovered in 3, 



5-6, 67-104, 119, 161-162, 165, 174-179, 181, 187 



occurrence of 174-179 



view of 176 



types from, appearance of 1S8 



Jugal 16,22,23-24,26,83,94,124, 



135, 146, 170, 171 , 250-262, 266, 270, 274, 280-288, 292 

 Jurassic dinosaurs, work on xxii-xxm 



K. 



Knight, C. R., restoration of Ceratopsia by Frontispiece, 



188, 189 

 Knowlton, J. B., and Stanton, T. W., on Agathaumas 



sylvestris 105-106, 179 



on Ceratops beds 1S3-184 



Lacerum posterius foramen 17, 17, 18, 28, 36-37, 37, 39 



Lachrymal foramen 123, 126,141,140, 



164, 169, 171,258, 260, 266, 268, 280, 284, 286, 292, 294 



Lachrymals 25, 26, 124, 146, 252, 284, 286 



Lselaps 107 



aquilunguis 113 



Lambe, L. M., figures by 89 92,94-95,97,177-178,234-246 



