INDEX OF GENERA AND SPECIES. 



281 



Page. 



Baculitidae 103,135 



Bailiella 198 



Bairdia ? 257 



Bakevellia 32,132 



parva 19,20,32,132 



Balaons 227 



ostrellanas 317 



Barbatia 98,143,158 



barbulata 158 



coalvillensis 143 



(Polynema ? ) parallela 98 



Bariosta 105 



Baroda subelliptica 143 



wyomingensis 143 



Barrandia 191 



? ? 191 



mccoyi 191 



Barycrinus 54,83,84 



geometricus 83 



hoveyi 83 



var. herculeus 54,83 



magnificus 54, 83 



raammatus 83 



pentagonus 83 



spectabilis 64, 84 



subttimidus 83 



Barapbyllum 57, 144 



'! ? arenariam 58 



f ungulus 144 



Basommatophora 135 



Bathyompbalus 34, 106, 137, 161 



Bathy urellus ( Asapbiscus) bradleyi 76 



Batby urns 185, 191, 234 



armatus 186 



? congeneris 191 



? baydeni 76 



longispinus 185 



pogonipensis 334 



serratus 76 



? siniillimus 191 



? tuburculatua 191 



Batocrinus 42, 54, 81 



cassedayanus 54, 81 



chrlstyi 81 



(Eretmocrinus) neglectns . . . 54, 81 

 reoiibracbiatas. SI 



pyrifonnis 81, 87 



quaailus 54, 81 



trochiscus 54, "81 



vemeuillianns 82 



Beaumontia 147, 158 



? solitaria 147, 158 



Belemnitella 105 



? bulbosa 15, 105 



paxiUoaa 49 



Belemnites 31, 35, 95, 111, 176, 263 



densus 19, 35, 95, 179, 263 



macritatis 176 



nevadensis Ill 



paciflcvis 35 



paxillosa 49 



BelemnitidoB 31, 35, 105, 11], 263 



Belemnocrinus 59, 1 18, 120 



typus 118 



whitii 40, 59 



Page. 



Belleropbon. . . . 24, 42, 46, 55, 74, 81, 117, 118, 126, 129, 



132, 138, 147, 151, 154, 164, 178, 



195, 197, 235, 245, 247, 248, 258 



allegoricus 136, 129 



bilabiatns 117 



bUobatus 248 



bowmani 138 



(Bncania) platystoma 55 



carbonarius 74, 178 



combsi 1 95 



crasaus 34,46,132,178 



cyrtolites 42 



gibaoni 154 



inapeciosus 151 



interlineatua 51 



leda 195 



lyra 195 



msera 195 



majuaculus 197 



marcouanua 51 



marcouianns 74 



micrompbalus 226 



montfortianua 74 



neleua 335 



newberryi .67, 81 



nodocarinatua 178 



paonens 118 



patulus 81 



pelopa 195 



percarinatua 74, 178 



perelegana 117 



perplexa 195 



propinqnua 67, 81 



scriptiferua 118 



atrictua 333, 226 



aublaevia 154 



subpapiUoaua 147, 164 



textilii 197 



undulatua 333, 226 



vinculatua 117 



BellerophontidsB 39, 132 



Bellinurna 36,46 



danae 36,46 



Beyiicbia 121, 188, 191, 195 



beEa 188 



cincinnatiensia 187 



faetoidea 131 



litbofactor 130 



var. velata 120 



petrifactor 131 



var. velata 121 



(Primitia) occidentalia 195 



Blaatoidea 26,44.120 



Brachiopoda 20, 22, 24, 26, 27, 30, 31, 



33, 41, 43, 44, 45, 55, 56, 57, 58, 59, 

 60, 61, 62, 64, 68, 72, 78, 80, 85, 89, 

 90, 91, 92, 94, 96, 98, 108, 109, 110, 

 116, 118, 121, 126, 127, 129, 130, 131, 

 133, 138, 146, 147, 148, 149, 151, 154, 

 155, 162, 163, 165, 177, 189, 190, 192, 

 190, 225, 232, 233, 234, 235, 230, 250, 

 253,255,257,260, 261,262, 265, 274 



Brachydontea 140, 158, 160 



Brachyspira 1 59 



Breviarca 98,267 



