276 



INDEX OF GENERA AND SPECIES. 



Page. 



Aotinocrinns (Saccocrinus ?) ampins 59 



scitulns 33, 42 



siUimani 26,42 



speciosus 33 



(Spbaerocrinus) concavus 37 



nnicornicus 340, 251 



validus 23 



viaticus 187,130 



wachsmuthi 118,149,165 



Actinopteria 194 



boydi 194 



Actinozoa 129, 130, 131, 136, 138, 144, 147, 158, 



163, 192 



Adelopthalmus mazonensis ? 53 



Admete ( Admetopsis) gregaria 134 



? gregaria 76 



? 8ubfusiformi8 76 



? rhomboides 76 



AdmetidsB 135 



Admetopsis 134, 144 



rbomboides 144 



subfusiformia 144 



^nona 269 



eufaulensis 269 



papyria 269 



^ora 269 



cretacea 269 



Aganides 104 



Agaricocrinus 26, 82, 83, 154 



gracilis 26 



nodosus 82 



apringeri 154 



whitfleldi 83 



Agaronia punctiilifera 222 



Agassizocrinu.s 85, 87, 249, 251 



carbonaria 85 



cbesterenais 85 



conicus 85, 249, 251 



dactyliformis 295 



gibbosus 85 



pentagonua 85 



Agelacrinites 54, 78, 83 



(Lepidodiacus) cincinnatien- 



sia 78 



aquamosua 54, 83 



pilous 78 



vorticellata 78 



Agnoatus 126, 129, 189, 198, 234 



acadicua 198 



bidens 189 



communia 189.334 



interstricta 126, 329 



neon 189, 334 



prolongiia 189,234 



richmondensis 189 



aecluaus 189 



tumidosus 334 



Agrauloa 31, 1 90, 199 



Agranloa ? 31 



Agraalos ? globosua 190 



oweni 31 



quadrangularis 199 



Akera 261,264 



glans-oryza 361,264 



Alaba 102 



Page. 



Alasmodonta 98 



Alcyonaria 96 



Alectryonia 97, 136, 151, 158 



Aletbopteria whitneyi 346 



Alipea 102 



AUoposallocrinna 38, 54 



AUoriama. . - .32, 45, 61, 73, 86, 89, 90, 132, 138, 147, 149 

 163, 165, 178, 245 



? altiroatrata 19, 20 



audax 223 



capax 245 



(Cercomyopsia) plearopistba 89 



(Chasnomya) hybrida 61 



? cooperi 1 19, 20 



coatata 86, 90 



olegana 51, 52 



geinitzii 86 



? giiberti 147, 163 



? leavemvorthensis 19, 20 



marionenais 138, 165 



nncula arata 232 



(Sedgwickia) geinitzii 73 



granosa 73 



pleuropiatha 66 



reflexa 73 



subelegans 73 



aubcuneata 19, 20, 32, 73, 149, 178 



var 132 



terminalia 232 



ventricosa 67, 89 



winchelli 67, 89 



Alveolitea 62, 108, 156 



goldfuaai 156 



maltilamelia 108 



rockfordenaia 192 



viillorum 63 



Amauropais 102,264 



paludinaeformia 102, 264 



Ambocselia 31, 119 



(Spirifer?) minuta 119 



Ambonicardia 366 



cookii 366 



Ambonychia 55, 56, 79 



acutiroatria 56 



carinata 232 



coatata 79 



intermedia 55 



(Megaptera) alata 68, 79 



caaei 41, 79,148 



Ammonitea 28, 35, 93, 104, 135, 208, 209, 210, 219, 



227, 245, 253, 255, 263 



acuto-carinatua 355 



belknapii 343 



cheyennenais 350 



complexua 14, 104 



Var. suciaenaia 3 7 , 93 



cordiformis 19, 35, 263 



var. distans 203 



galpini 356 



geniculatus 319 



gibbonianua 243 



grayaonenaia 159 



halli 15 



henrji 19, ^o 



liBvianns 135 



