314 



Index. 



Texas Red Beds, 240 

 Thalassemydidae, 9, 11, 12, 13 

 Thaleops arcturus, 248, 249, 254 



ovatus, 243, 246-249, 254 

 Thaxter, Roland, 226 

 Thinohyus, 56 



siouxensis, 35 

 Thoracocharax stellatus, 141, 153 

 Ticholeptus, 98 



bannackensis, 108 



breviceps, 107, 272 

 Ticholeptus or Deep River Beds of 



Montana, 89 

 Titanotherium, 91 

 Titanotherium Beds, 93 

 Todd, W. E. C, 5, 73 

 Tombador River, in 

 Torosaurus, 5 

 Toxochelys, 13 



Tracheliopterus coriaceus, 148 

 Trachycorystes galeatus, 149 



striatulus, 117, 149 

 Trigyra ulrichi, 198, 220 

 Trilobita, 243 



Trilobites, Notes on Ordovician : 

 Ilkenidae from the Black River 

 Limestone near Ottawa, Can- 

 ada, 242-255 

 Trionychids, 8, 13 

 Trionychidae, 9 

 Trionyx, 91 

 Trochonema, 168, 185 



biangulatum, 169, 205, 220 



dispar, 206, 220 



hudsoni, 207, 219, 220 



niota, 206 



obsoletum, 207 



rectangulare, 206 



robbinsi, 206 

 Trochonematidae, 205 

 Trustees of the British Museum, 162 

 Tryblidium eubule, 217, 219, 220 

 Trygonidae, 147 



Turtles, Description of New Species, 

 belonging to the Genus Tes- 

 tudo, Collected from the Mio- 

 cene, and Description of the 

 Skull of Stylemys Nebrascensis. 

 By O. P. Hay, 15-20 

 Tylosaurus, 163 



(Platecarpus), 167 

 Ulrich, Dr. E. O., 170 

 United States National Museum, 85, 



181, 198, 215 

 United States of Brazil, no 

 University of Berlin, 160 

 Upper Harrison Beds, 22, 23, 56, 60, 

 69, 72 



Upper Monroe Creek Beds, Nebraska, 

 95 



Upper White River Beds, 270, 271 



Uppermost Oligocene, 15, 93 



Ursidae of South America, 233 



Ursus americanus, 231 

 haplodon, 23s 



Utterback, W. H., 4, 5, 60, 61, 63, 160 



Valley of Bridge Creek, 87 



Vantassel Creek, Wyoming, 36 



Velasco Collection, 7 



Vermilion County, Illinois, 234, 239 



Versluys, Dr., 160 



Vertebrate Fauna of the Ticholeptus 

 Beds, 97 



Vertebrate Fauna, Extinct, of the 

 Western Territories, 86 



Vertebrate Fossils from the Vicinity 

 of Pittsburgh, Pennsylvania, 

 Description of, 234-241 



Vertebrate Fossils of the Permian, 

 References to literature on, 240 



Vertebrates, New, from the Montana 

 Tertiary, 260 



Villa Rica, 112 



Volcano Miravalles, Guanacaste, 302 



Ward, David Perkins, Further Col- 

 lections of Fishes from Para- 

 guay, 1 10-157 



Webster, Frederic S., 6, 82 



White, Dr. Theodore G., 213 



White, Dr. I. C, 234 



White Butte, North Dakota, 266, 270 



Whiteaves, Dr. J. F., 170 



White River Beds, 267 



White River Formation, 91, 92, 94 



Whitfield, Prof. R. P., 170, 185 



Wieland, G. R., Plastron of the Pro- 

 tosteginae, 8-14 



Wilkinson, E., 226 



Williams College, Geological Museum 

 of, 186 



Williston, S. W., 5, 162, T64, 167 



Woodin, Divide Creek, Montana, 107 



Woodward, Dr. A. Smith, 162 



Wynnea Americana, Further Occur- 

 rence in Pennsylvania, 

 226-227 

 New Species of, 226 



Xenocara gymnorhynchus, 122, 149 



Xenophoridae, 215 



Xerobates, 20 



Yale University Museum, 10, 172, 175, 

 180, 181, 183, 208 



Zittel's " Grundziige," 216 



Zoological Congress, Seventh Inter- 

 national, 159 



Zygospira acutirostris, 197 



