INDEX. 



299 



Page. 

 Osborn, H. F., and Lambe, L. M., fossil remains de- 

 scribed by 9, 88 



Osteology of Ceratopsia 14-65 



Palatine ' 26, 27-28, 28-30, 38, 120, 147, 282,290 



Palatine vacuities, posterior 36 



Paleontology, vertebrate, work on, condition of xin 



plan of xm-xiv 



Paleoseincus Leidy *- 69 



Parapophysis 48-49 



Parasphenoid 29 



Pareiasaurus 14 



Parietal fenestra 165, 202,'294 



See also Parietal fontanelle. 



Parietal fontanelle 20,151 



Parietal foramen 35 



Parietals 14, 16, 19,19-22, 20, 21, 22,31, 38, 73, 73, 



S0,89, 90, 92, 93, 97, 97,99,121, 125, 145, 151,161, 153, 

 151,, 162-166, 202, 240,242,252-270,274,276,280-294 



Patagonia, explorations of Hatcher in xix, xxi-xxm 



Pelvis 56, 56, 77-79, 139 



Pes 64 



Phalanges 61, 62, 64, 64, 232 



Phrynosoma 101 



Phylogeny of Ceratopsia 161-162 



Pierre shale, correlation of 175 



Pineal foramen 24, 35 



Pituitary fossa e 37, 38 



Pituitary lobe 37,39 



Plesiotype, definition of r 136 



Polacanthus 13 



Polyonax Cope 12, 72, 111-1 12, 113, 166 



mortuarius Cope 5, 8, 12, 111, 112-113, 166 



Postf rontal fontanelle 20, 24, 38, 202, 272, 276, 294 



See also Foramen, postfrontal. 

 Postfrontal foramen 22, 35, 154 



See also Fontanelle, postfrontal. 



Postfrontals 5,17,18,22,24,28,30,38,74, 



74-75, 94, 125, 145, 250-266, 266, 268, 274, 276, 284-288, 294 



Potomac formation, age of xvm 



Predentary 18,19, 



31,38, 39-40, 40, 43, 130, 130, 238, 252, 262, 264, 274, 280, 286 



Predentata Marsh ' 10,11,157 



Prefrontals .... 22, 24, 124, 146, 262-256, 266, 268, 274, 276, Z84-288 



Premaxiliaries 22, 28, 29, 30. 31 , 38, 



87, 88, 123, 1 29, 130, 147, 250, 256, 258, 262, 266-270. 280-292 



Prentice, Sydney, drawings by xxx 



Presacral vertebra? 47,278 



Proceratops 100 



Pterygo-palatine foramen 26,27,28 



Pterygoids 23, 



26-27, 26-30, 81, 120, 121, 121, 147-148, 270, 282, 290 



Ptilodus primgevus : 178, 179 



Pubis 56, 57, 57, 78 



Pyrotherium, work on ' xxi 



Quadrate 18, 19,21,22-23,23,26,28,38,89, 



121, 250, 252, 256, 258, 264, 266, 270, 274, 280-286, 290, 292 



Quadrate groove 21 



Quadratojugal 16,18, 



22-24, 23, 124, 146; 256, 258, 266, 270, 274, 284, 286, 290 



R. 



Radius 61, 61 



Rafinesque, C. S., on Ceratops 100 



Ramus 43,236 



Page 



Red Deer River, fossil remains discovered on 89-100, 



177-179, 184 



view on 177, 178 



Reptilia 10, 11, 83, 111 



Ribs 48, 59, 110-111 



Restorations of Triceratops 188-190 



views of Frontspiece, 189, 190,294 



Rose, Doctor, on dental foramina 26 



Rostral 18, 



22, 28, 29, 31, 33, 33-34, 38, 121, 123, 129, 164, 168, 169, 

 170, 252-256, 260, 262, 266-270, 274, 276, 280-284, 290-294 



Sacral vertebrae 51-53, 52, 75-76, 106, 1 10, 248 



Sacrum 51-53, 



52-54, 75, 75-76, 91, 92, 92, 106, 110, 162-165, 216, 218, 248 



Sauropoda Marsh xiv, xx, xxiv-xxv, 10, 110, 118, 156 



Scapula i 58, 58, 78, 79, 90-91, 238 



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

 type" 136 



Scott, W. B., on J. B. Hatcher xix 



Seeley, H. G., on Dinosauria 82-83 



Seminole Mountains, fossil remains discovered near. . . 7 



Sense organs 38-39 



Shoulder girdle 58 



Sight, powers of, in Ceratopsia 38-39 



Skulls 14-46, 1 5, 18, 19, 22, 28,29, 38, 73-75, 115, 119-132, 129, 



134, 138-139, 141-142, 144-145, 149, 150-153, 151, 154, 185 



weight of . ." xvm, xxix, 185 



Smell, sense of 38 



South Dakota, fossil remains discovered in 113-114 



section in 175 



Species and genera, revision of 161-174 



systematic descriptions of 66-157 



Sphenoidal segment 1 7-19, 18, 82 



Spinal cord 55 



Spine 76 



Spines, dermal 65 



Splenials 41, 41, 130, 210 



Squamosal fenestra 149, 163, 202, 292, 294 



Squamosals 14, 16, 19-22, 20-22, 31, 



38, 74, 85-86, 89, 90, 94, 94-96, 97, 125, 145, 151, 152, 153, 

 154, 162-166,471, 173, 202, 204, 252-270, 274, 276, 280-294 



Stanton, T. W., on Agathaumas sylvestris 105 



on Mesozoic conditions 194 



on stratigraphie position of Ceratopsia 180-181 



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



beds 174-177 



Stanton, T. W., and Knowlton, F. H., on Agathaumas 



sylvestris 105-106;179 



on Ceratops beds 183-184 



Stegoceras Lambe 12, 97, 98-100, 166, 242 



validus Lambe 12, 98-100, 99, 166, 179 



Stegosauria xiv, 118, 155, 157, 195 



Stegosauridse 13, 69 



Stegosaurus. .-. 53, 100, 101, 118, 156, 157 



Stereocephalus tutus 69 



Sternberg, C. H., fossil remains discovered by 87,176 



work of xvii, 5 



Sterrholophus Marsh 12, 



21, S6, 120, 143, 144-148, 154, 164, 166, 168, 171 



flabellatus Marsh xvn, xxvn, 12, 15, 16-19, 18-20, 



21, 22, 23, 25, 25-27, 31, 32, 37, 38, 38, 41,41, 42, 44, 4$, 48 

 56, 86, 122, 123, 124, 126, 129,132, 143-148,152, 164 

 168-170, 171,172, 180,181, 184, 202, 204,208, 286-290 



Struthiosaurus Bunzel 12 



austriacus Bunzel ' 12 



