280 



INDEX OF GENERA AND SPECIES. 



Page. 



Aulopora tubseformis 248 



Aulosteges 121 



guadalupensis 356 



spondyliformis 120, 121 



Anricnlidae 112 



Anstrella rigida 837 



Avalana subglobosa 14, 29, 102 



Avicula 24, 73, 86, 136, 208,262 



? 224,274 



abrupta 47 



annosa 271 



convexo-plano 47 



cretacea 47 



ourta 49 



« custa 232 



1 fibrosa 15 



haydeni 13, 47 



iridescens 47 



laripes 47 



linguif ormis 47 



loDga 73,86 



(Monotis) tenuicostata 18 



morganensis 86 



multangula 50 



inunsteri 49 



nebrascana 47, 355 



oblonga 34 



(Oxy toma) gastrodes 76 



mucronata 262 



parkensis 136 



pedernalis 47 



petrosa 47 



pinDseformis 51 



planisnlca 47 



(Psendoptera) propleura 76 



rhytophora 76 



samariensia 308 



spelnncaria 51 



subgibbosa 31, 47 



1 sulcata 73 



triaugularis 47 



voJgonsis ? 226 



Aviculidw 29, 32, 262, 263, 267 



Aviculinse 29, 32 



Aviculopecton 24, 82, 43, 45, 61, 73, 80, 89, 90, 94, 



110, 116, 119, 127, 132, 146, 

 162, 104, 178, 196, 235, 236 



? 32 



afflnis 196 



altns 146,162 



amplus 34, 32, 43 



burlingtonensis 34, 43 



carbonarius 87 



cai'boniferus 73,178 



catactus 1 lO 



coroyana 137, 132 



coxanus 34, 45, 73 



creniatriatus , 66, 89 



cuBto-cardinalis 336 



(Enmicrotia?) augnstensis.. 336 



eurekensis 196 



flmbriatus 41 



grandocoatus 119 



haguei 196 



bawni 51 



Page. 



Aviculopecten idahoensis 146, 162 



iudianensis 41, 61 



interlineatus 34, 45, 132, 178 



koninckii 34, 45 



limaformis 116 



macoyi 32, 132 



neglectus 73, 86, 87 



nodocostatas 116 



oblongus 43 



oceidanens IIO 



occidentalis 45, 73, 132, 178 



oweni 34, 43 



paralis 80 



parvulus 236 



pealei 140 



? pealei 162 



pellucidns 34, 45 



peroccidena 196 



pintoenaia 196 



(PseudoEuonotis) idahoensis. 71 



randolphensis 41 



sanduakyenaia 67 



spinuliferua 64 



(Streblopteria?) hertzeri.. 66,90 



superstrictus 164 



utahensia 94, 110 



weberenais 335 



wbitei 73 



williamai 68 



winchelli 89 



Aviciilo-pectininae 32 



Aviculopinna 73 



americana 52, 73, 90 



pinnaBformia 52 



Axinsea 98,102,111,160,215,216 



barbarenaia 315,216,217 



subimbricata 98 



wyomingensis Ill 



Axiuea 217,267,271 



alta 367 



conradi 371 



holmesiana 160 



mortoni 267 



Axininaj 34 



Axinus 258 



rotundatna 20 



(Schizodua) ovatns 19. 20 



securis 358 



Axophyllum 92,121,177 



rudis 92,131,177 



Azthemis 217 



B. 



Baculites 28,93,94,103,135,209 



1 209 



ancepa var. obtnsns 94, 103 



aaper 103 



baculus 38 



cbicoensia 93 



compreaaua 14, 103 



grandis 14, 103 



inomatua 37 



occidentalis 37, 93 



ovatus 14,17,103,135 



syriacas 309 



