276 



INDEX OF GENERA AND SPECIES. 



Actinocrinns (Saccocrinus 1) aroplns 59 



scitulus 23, 42 



sillimani 26, 42 



speciosus 23 



(Sphicrocrinns) concavua :)7 



nnicomicua 249, 251 



valitlns 23 



viaticua 127, 130 



warlisniuthi 118, 149,165 



Actinopteria 194 



hoydi 194 



Actinozoa 129.130,131,136,138,144,147,158, 



163, 192 



Adelopthalmus mazoiionsia ? _. 53 



Admcte ( A dnietopsis) gregaria 134 



? gregaria 76 



? subfusiformis 76 



? rboiuboides 76 



Admetidai 135 



Admetopsls 134, 144 



rhoniboides 144 



subfusiformis 144 



^nona 269 



eufaulenais 269 



papyria 269 



Mora. 269 



cretacea 269 



Aganidcs 104 



Agaricocriims 26, 82, 83, 154 



gracilis 26 



nodosns 82 



springori 154 



wliitfloldi 83 



Agarouia punctnlil'era 222 



Agassizocrinus 85, 87, 249, 251 



carbonaria 86 



cheaterensis 85 



conicna 85, 249, 251 



dactvliformis 255 



gil)bo8Us 85 



pentagonns 85 



Agelacrinites 54, 78, 83 



(Lepidodiscus) cincinnatien- 



si.s 78 



squamosiis 54,83 



pibMis 78 



vorticellata 78 



Agnostus 1 26, 129, 189, 198, 234 



acadiciis 198 



bidpns 189 



communis 189. 234 



iuterstricta 126, 1 29 



neon 189, 234 



prolongns 189, 234 



ricbmondensis 189 



seclnsns 189 



tnraidosns 234 



Agranlos 31, 1 90, 199 



Agratilos ? 31 



Agranlos ? globosus 190 



oweiii 31 



quadrangularis 199 



Akera 261, 264 



glana-oryza 261,264 



Alaba 102 



Page. 



Alaamodonta . 98 



Alcyonaria 96 



Alectryonia 97, 136,151, l.'iS 



Aletbopteris whitneyi 246 



Alipos 102 



Alloposallocrinua 38, .54 



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

 163, 165, 178, 245 



? altirostrata 19, 20 



andax 223 



capax-. 245 



(Cercomyopsis) pleuropistba .'... 89 



(Cha;nomya) bybrida 61 



? cooperi 19, 20 



costata 86, 90 



elegans 51, 52 



geinitzii 86 



? gilberti 147, 163 



? leavenwortbensia 19, 20 



marionenais 138, 165 



nncula arata 232 



(Sedgwickia) geinitzii 73 



granoaa 73 



pleuropistba 66 



roflexa 73 



anbelegana 73 



subcuneata 19, 20, 32, 73, 149, 178 



var 132 



tomiinalis 232 



ventricosa 67, 89 



wincbelli 67, 89 



Alveolites 62, 108, 156 



goldfusai 156 



mnltilamelia 108 



rockfordensia 192 



vallornm 62 



Amauropaia 102, 264 



palndinaeformis 102, 264 



Ambocajlia 31,119 



(Spirifer?) minuta 119 



Ambonicardia 266 



cookii 266 



Ambonycbia 55,56,79 



acutiroatris 56 



carinata 232 



costata 79 



intermedia 55 



(Megaptera) alata 68, 79 



casei 41, 79, 148 



Ammonitea 28, 35, 93, 104, 135, 208, ■J09, 210, 219, 



227, 24*. 253, 255, 263 



acnto-carinatus 255 



belknapii 243 



cheyennenaia 250 



complexus 14, 104 



var. saciaensis 27, 93 



cordiformia 19, 35, 263 



var. diatans 263 



galpini 256 



gcniculatus 219 



gibbonianua 243 



graysonenais 159 1 



halli 15 f 



henry i 19, 33 



Ixvianns 135 





