INDEX. 511 



Pago. 



Rio Mimbres 208 



Rio San Juan 208 



Rio Virgin 246 



Rash Valley 244 



Sah watch Basin 198 



Creek 193 



Salt Lake Basin 237 



District 237 



Valley 239 



San Luis Valley 197 



productions of 202 



San Pete Valley 244 



Sevier River Basin 244 



Shells, land, list of '. 468 



fresh- water, list of 468 



(fossil,) new species, by Professor P. B. Meek — 



Anisomyon centrale 312 



Arca(?) parallela 303 



Arcopagella mactroides 309 



Bythinella gregaria 317 



Cardiuin kansasense 307 



pauperculum 306 



salinens 306 



Corbicula crassatelliformis 315 



(f)fracta 314 



(?) nucalis 304 



subtrigonalis 305 



Crassatellina oblonga 301 



Ednioudia aspenwallensis 299 



Goniobasis chrysallis 316 



nodulifera 316 



Inoceramus altus 302 



Leptosolen conradi 311 



Mactra (?) cauonensis 308 



Pachymya (?) truncata 301 



Tapes wyomingensis 310 



Tellina subscitula 310 



Yoldia microdonta 304 



Turbo niudgeanus 313 



Turritella kansasensis 312 



Unio leauus 313 



Unio nebrascensis 303 



Unio washakiensis 314 



Texas cattle 255 



Tintic Valley 242 



Trenchera Creek 200 



Tuerto Creek 206 



Utah Lake Valley 241 



Vertebrate Fossils, report on, by Professor Leidy 340 



Vermijo Creek 213 



Weber Valley 239 



Western Division 233 



New Mexico 208 



Wind River District 232 



Valley 194 



Wheat 201 



Whipple's, Lieutenant, estimate of arable land 204 



