286 



BULLETIN 16 9, UNITED STATES NATIONAL MUSEUM 



Sand Coulee formation, 16, 81, 83. 

 Sapindus affinis, 19. 



grandifoliolus, 19, 57. 

 species undetermined, 19. 

 Scalops, 139. 

 Scarritt Quarrv, Mont., 10, 25, 30, 34 



seq., 39, 41, 46, 50, 51, 54, 55, 60, 



61, 63. 

 Schlaikjer, E. M., 139, 140. 

 Schlosser, M., 86, 115, 120, 217, 224, 



257. 

 Scott, W. B., 86, 216, 217, 224, 225, 246. 

 sectorius, Anisonchus, 34, 37-41, 48, 50, 



51, 53, 54, 255, 259, 261, 262 seq. 

 Sedges, 58. 

 Selaginella, 68. 

 senectus, Nedionodus, 17, 59. 

 senectiis declivus, Nedionodus, 59. 

 sensibilis fossilis, Onoclea, 57. 

 Sentinel Butte formation, 25. 

 Sequoias, 58. 

 serratus, Halodon, 101. 



Ptilodus, 101. 

 Shields River, Mont., 27. 

 Shoshonius, 127, 145. 

 siegfriedti, Leptacodon, 113. 

 Silberling, A. C, 3, 4, 6, 8-10, 17, 18, 



21-23,^ 26, 27, 30-32, 34, 38, 40-42, 



56, 70, 86, 98, 133, 168, 250, 251, 257. 

 Silberling Quarrv, Mont., 9, 10, 29, 30, 



31, 33 seq., 37, 39, 46, 48-51, 55, 56, 



59-62, 68, 74, 75, 93. 

 silberlingi, Claenodon, 34, 42, 47, 176, 

 185 seq., 188, 189. 

 Ectvpodus, 33, 46, 67, 74, 75, 79, 



82, 83, 97, 101 seq. 

 Gidleyina, 40, 48, 50, 253 seq., 255. 

 Neoclaenodon, 175, 185. 

 Picrodus, 9, 33, 47, 136 seq. 

 -simplicidens, Stilpnodon, 33, 47, 52, 



68, 119, 120, 140. 

 Simpson, G. G., 7, 54, 70, 71, 92, 107, 



120, 121, 136, 161, 194, 225, 266. 

 simpsoni, Parectvpodus, 77, 79, 82, 83, 



102. 

 Sinclair, W. J., 6, 7, 11. 

 sinclairi, Ptilodus, 33, 36, 46, 48, 52, 62, 



67, 74-76, 78, 79, 82, 83, 96, 97 seq., 



101. 

 Soricoidea, 104, 119. 

 Spanoxvodon, 53, 173, 192-194, 203. 

 latrunculus, 34, 47, 68, 194, 203. 

 sparsus, Eucosmodon, 33, 37, 46, 49, 83, 



103 seq. 

 speirianus, Haplomvlus, 226, 227. 

 Stanton, T. W., 3, 9, 16, 18, 21-23, 57. 

 Stehlin, H. G., 145, 146. 

 Stillwater River, Mont., 27. 

 Stilpnodon, 52, 119 seq. 



simplicidens, 33, 47, 52, 68, 119, 

 120, 140. 

 Stone, R. W., 9, 16, 19, 21, 22, 24, 26, 27, 



57. 

 Stvlinodontidae, 34, 60, 61, 169 seq. 



Stylomyleodon, 59. 

 subquadrata, Euprotogonia, 246. 



Protogonia, 246. 

 superior, Gidleyina, 42, 48, 254 seq. 



Tetraclaenodon, 254. 

 Sweetgrass Countv, Mont., 12, 14. 

 Sweetgrass Creek,' Mont., 13, 41, 57. 

 Sycamores, 58. 



svmbolicus, Tetraclaenodon, 5, 34, 36, 

 ^ 37, 39, 43, 48, 49, 246 seq., 249, 255. 

 Taeniodonta, 34, 60, 61, 189 seq. 

 Taeniolabis, 71, 90. 

 Taligrada, 217-219, 265-268. 

 Talpid, 140. 

 Talpoidea, 104, 119. 

 tardus, Parectvpodus, 77, 79, 83, 97, 103. 

 Tarsioids, 144, 145, 148. 

 Tarsius, 144, 146. 



Teilhard de Chardin, P., 7, 143, 165. 

 teilhardi, Eucosmodon. 83, 104. 

 tener, Leptacodon, 35, 46, 50, 68, 113- 



115. 

 tenuis, Didvmictis, 34, 47, 210, 212 seq . 

 Tetonius, 127, 144-146, 148, 168. 



rex, 167, 168. 

 Tetraclaenodon, 5, 11, 39, 41, 43, 50-54, 

 190, 191, 216, 221-223, 246 seq., 

 251-255. 



minor, 249. 



pliciferus, 246-249, 253. 



puercensis, 34, 39, 48, 49, 246-248, 

 249 seq., 250. 



species undetermined, 35, 42, 48, 

 250. 



superior, 254. 



symbolicus, 5, 34, 36, 37, 39. 43, 

 48, 49, 246 seq., 249, 255. 

 Theria, 72, 92. 

 Thermopolis formation, 15. 

 Thomson, A. C, 10. 

 thomsoni, Bessoecetor, 35, 47, 50, 122, 123. 

 Thrvptacodon, 51, 53, 172, 173, 194, 195. 



'australis, 42, 48, 68. 

 Tiffany formation, 7, 11, 20, 54, 55, 81, 



83, 112, 136, 141, 161. 

 Tilia weedii, 57. 

 Titanoides, 269. 



primaevus, 11. 

 Tongue River formation, 25. 

 Torrejon formation, 7, 11, 40, 52-55, 62, 

 70, 74, 81, 83, 121, 128, 169-171, 173, 

 175, 176, 178, 180, 181, 185-187, 189, 

 196, 208-210, 213, 216, 224, 246-249, 

 255, 257, 262-265, 271. 

 Tricentes, 5, 11, 53, 171, 172, 192-194, 

 197, 203-205. 



inaequidens, 225. 



latidens, 194, 203, 205. 

 tricuspidens, Plesiadapis,165. 

 Triisodon, 171. 

 Triisodontidae, 171. 

 Triisodontinae, 170, 172. 

 Tritylodon, 71. 

 trochiformis, Viviparus,17. 

 Trogolemur, 146, 147. 



