INDEX. 



871 



Page. 



Fossils, iDOcerattitia EUiotti 293 



iDoceramus erectus 336 



Inoceiamus incurvus 45, 50 



luoceram as problematicus 45, 55) 82, 327 



iBoneima. 545 



Kutorglna 444 



Kutorgina miuutissima 548 



LeiorhyDchua qnadricostatas 54C 



■ Lemuravus distans 249 



Lepidosteus glaber 250 



Lepteeua melita 548 



Lestosaurus 52 



Lima erect a 046 



Li^nja Gabbi 64fi 



LitnuaBa 417 



Limnsea Kingii 417 



liimniea nitidula .....r 328 



Limnofelix ferox 249 



Limnopliis crassus 250 



Limnosaurus ziphodon 250 



Limnotherium tyranDUs 249 



Lingalepis 29, 444 



LiDgulepis EUa ; ; 405 



Lingulepis Mxra 486, 543, 548 



Lingulepis njiniita 548 



Lithophis Sargenti 250 



Litbostrotion 313,407 



Litliostrotion Whitneyl 405 



Lophopby Hum prolit'ernm 384 



Lunulicardium fragosum 546 



Machrocheilus . . 548 



Maclurea jninima 410 



Macrodon 305 



Mactra alta 63 



Mactra areoaria 871, 336 



Mactra Emmonsi 383 



Mactra Utahensis 335, 3f3 



Mactra Warrenaua 63 



Martinia lineata 313,321,385,452,454 



Mastodon mirificus 71 



Meekella stiiato-costata 289 



Melauia 167,212,261 



Melaiiia sculptilis 767 



Melania subscalptills 767 



Mery ehippns mirabilis 592 



Michelina 446 



Modiomorpha lata 645, 724 



Modiomorpba ovat a 645, 724 



Monotis subcirculatus .'. 725 



" Montlivaltia ......'. 727 



Myacites J? 645 



Myacites Hnmboldtensis 7C5 



Myacites inconspicuus 390 



Myacites aubcompiessus 390 



M.yacites Weberensis 389 



Myalina 305 



Myalina aviculoides 370 



M.y alina rermiaua 370 



My iilina subquadrata 305 



Myophoria alta 712 



Myopboria lineata 262,390 



Mytilua Homfrayi 712 



Naiadites 285 



Natica Lelia ...;... 162,304 



Jfaticopsis i... i 448,544 



EossUS) ilautilus 



Nautilus muUicametatus , 

 Neritella (Nebrascensia !) . 



Kucula paiva 



Nucula planimarginata 



Naculaiia bellistriata 



Nucalitea triangulus , 



Nyctitberium priscum 



N.yctitberium velox 



Page. 



729 



712 



263 



274 



63 



285 



546 



249 



249 



Obolella 29,410,543 



Obolella discoidea 548 



Ogygia 444 



Ogygia parabola 377,444 



Ogygia prodncta 444 



Olenellus Gilbert! 445 



Opbileta coraplanata 411 



_ Orbiculoidea 291 



Oreosaurus lentus 250 



Ocohippua agilis 249 



Orobippus gracilis 307 



Orobippua Uintensis 30V 



Ortboceras .76,282,291,545 



'Ortlioceras Blakei 645, 724 



Ortboceras cessator ' 546 



Ortboceras crebroaum 285 



Ortboceras Kingii 544 



Ortbis 524 



Ortbis carbonaria 448,508,601 



Ortbiab.vbiida 565 



Orthia multiatriata / 524 



Orthia oblata 557 



Ortbis Pogonipensis 543 



Ortbis quadrans 557 



Ortbia reaupinata 446, 544 



Oitbia varica 609 



Osteogloaaum encauatum 241 



Ostrea 45, 49, 50, 54, 50, 61, 83, 89, 117, 121, 



155, 163, 182. 186, 233, 234, 263, 278, 328, 336 



Ostrea congesta 45, 81, 84, 142, 156 



Oatiea glabra 233 



Ostrea soleniacus 2.51,253,326,336 



Ostrea Wyoiuingensis 233,335 



Palieosy opa paludosus 249 



Paracy claa peroccidens S45 



Paramys delicatus 249 



Pecten ..... 657 



Pecten deformis 645 



Pentacrinus asteriacus 91, 92, 862, 263, 303, 332, 711 



Pentamerus 544,545 



Pentamerua galeatus 609 



Pbillipaia 289 



Phytolitharia 768,820 



Phyaa Bridgeronais 248 



Pinna Kingi 390 



Pinna reatituta 45,60 



Pinnnlaria ineqnalia ....j,.. 771 



Pleuropborus oblongua 162,305 



Pleurotomaria 274, 545 



Plauorbia spectabilia 247, 248 



Pianorbis spectabilia var. tTtahensis 248 



Pliobippus Hipparion 71 



Polygastera 768, 820 



Polypora 446,452,453 



Porambonites obacnrus 543 



Posidonomya Stella 724,725 



