872 



INDEX. 



Page. 



Fossils, Productas 162,289, 



305, 350, 352, 400, 404, 407, 452, 505, 515 



Prodnctus cora .33, 53, 76,77, 353,405, 548 



Productus costatns 76, 511, 539, 547, 548, 550 



Productus elegans 446 



Productus Flemingi var. Bnrlingtonensis ... 446 



Productus Isevicostatus 446 



Productus longispinus 454, 508, 538, 547, 562 



Productus multistriatus 448, 487, 490 



Productus Nebrascensis 347, 367, 454, 490, 



508, 511, 518, 530, 547, 548 



Productus pertennis 367 



Productus Prattenianus 33, 76, 77, 255, 344, 



386, 422, 448, 450, 453, 513, 547, 550, 600, 670 



Productus pnnctatus 346, 353, 405, 486, 497, 508 



Prodnctus Kogersi 518 



Productas eemireticulatus 33, 49, 76, 



321, 353, 368, 423, 446, 450, 453, 490, 507, 508, 

 511, 538, 546, 547, 548, 550, 562, 600, 605, 670 



Productus semistriatus 348 



Productus subaculeatus 544, 545, 548 



Productus subhorridns. . .368, 478, 487, 491, 513, 522, 600 



Productus sy mmetricus 367, 385, 600 



Productus Wortheni 547 



^Proetns Loganensis 407 



Proetus peroccidena 401, 407, 446 



Protohippus parvulus 71 



Protohippus perditus 591 



Pseudomonotis 526 



Psendomonotis radialia , 526 



Pteria (avicula) 645 



Pterlnea 545 



Pty chaspis 543 



Ptychaspis pustulosns 543 



Ptychoph jllnm ini'undibnlum 544 



Ptypora 404 



PupaLeidyi 248 



Pyrgulifera bumerosa 328 



Bapbi^toma acuta 411,543 



Khy tiphorus priscus 328 



Ehy ncbonella 526, 557, 565, 609, 724, 731 



Ehyncbonella seqniplicata 712 



Bbyncbonella Emmonsi 544, 545 



Khyncbonella lingulata 725 



Khynchonella Osagensis .-.- 448 



Kbyucbouella pustalosa 407, 446 



Ebynchonella Utabensia 369 



Scaphites nodosus 45,56 



Scapbites Warreni 142 



Sciuravus uitidus 249 



Scizodus curtus 285 



Soizodus ovatus 3S9 



Scolitbus 413 



Sedgwickia concava 274,370 



Septocardia Carditoidea 657 



Septocardia typica 657 



Smitbia Hennabi 545 



Spbsera Wbitneyi 724 



Spbaerum Idaboense 767 



Spbserum rugosum 767 



Spirifer 289, 305, 346, 368, 404, 442, 452, 530, 557, 558 



Spirifer albapinensis 340, 365, 400, 407, 446, 545 



Spirifer alia 711 



Spirifer arenosa 557 



Spirifer argentarius 544 



Page, 



Fossils, Spi i ifor cameratns 283, 290, 349, 352, 



364, 365, 368, 450, 497, 507, 508, 526, 547, 600 



Spirifer centronatus 33, 346, 365, 400, 407, 446 



Spirifer disjunctus 364,546 



Spirifer Engelmanni 545,559 



Spirifjr imbrex 323 



Spirifer Leidyi 447 



Spirifer lineatns 287,347,364 



Spirifer octoplicatus 368 



Spirifer opimus 287,343,346, 



353, 385, 386, 422, 447, 448, 450, 453, 504 



Spirifer PiBonensis 557 



Spirifer planoooDvexus 304, 547 



Spirifer Kocky moutanua 547, 550 



Spirifer setiger 447 



Spirifer striatus 447,547 



Spirifer strigosus 558 



Spirifer Utabensis 558 



Spirifer Vaniisemi 524 



Spiriferina Homf rayi 645, 711, 725 



Spiriferina Kentuckensis 289, 385, 526 



Spiriferina pulcbra ......321,368,490,518 



Spiriferina spinosa 547,550 



Spirigera obmaxima 445 



Spongolitbis acicularis 763, 771, SCO 



Streptorbyncbus 422, 546 



Streptorbyncbus crassus 300, 385, 448, 518, 550, 601 



Streptorbyncbus crenistria 347, 353, 453, 547 



Streptorbyncbus equivalvis 401 



Streptorbyncbus inequalis 401 



Streptorbyncbus inflatus 446 



Streptorbyncbus robusta 448 



Stromatopora 40O 



Stropbodonta canace 544 



Stropbodonta punctulifera C09 



StrDpbomena Nemia 543 



Strophomena rhomboMalis 446 



Stylinodon minis 249 



Syringopora 289, 313, 364, 409, 539 



Syringopora Maclurii 545 



Syringopora moltattenuata 313, 314, 513, 605 



TalpavHS nitidus 249 



Tancredia 299 



Tancredia Warrenana 91 



Tellina isonema 336,383 



Tellina modeata 383 



Terebratula 547,645 



Terebratula Augusta 657 



Terebratula bovidens 386 



Terebratula Humboldtensis 711, 725 



Terebratula Utabensis .-..j. 305 



Tbiuosauius leptodus 250 



Tillomys senex 249 



Tillotherium fudiens 249 



Tinoceras anceps 249 



Tracbyceras judicaricum 72'1 



Trachyceras judicaricum var. subaspe'rnm. . 724 



Tracbyceras Wbitneyi 724, 729 



Trematopoia 453,511,522,526,548 



Trematospira 609 



Trigonja 263 



Trigonia qnadrangnlaris 91 



Trionyx gnttatus 249 



Trypodendron imprcssus 242 



TJiutacyon edax 249 



