INDEX OF GENEKA AND SPECIES. 



313 



Page. 



I'iirociinuH peutagonius liT, 55 



I'onlaiidia 98 



Po.sidonomya 90, 110, 194 



devonica 194 



f racta 90 



fragosa 110 



IsBvis 194 



Fotamida 105 



Poteriocrinites 77, 82, 83, 84, 85 



biaelli 84 



(Dendrocrinns) caduceas ... 77 



dyeri 68,77 



casei 77 



cincinnatien- 



sis 68,77 



polydactylus. 68, 77 



posticus 77 



hardinensis 84 



macoupinensis 85 



Iperplexus 82 



(Scaphiocrinus) sequalis 83 



bayensis ... 84 

 carbonarius. 85 



coreyi 83 



depressus .. 83 

 hemispheri- 



cus 85 



huntavillsB . 84 

 macadamsl . 83 

 randolphen- 



sis 84 



iinicus 83 



(Zeacrinas) arboreus 84 



armiger 84 



cariniferous 84 



compactilis 89 



compactilus 84 



concinnus 64, 83 



formosus 84 



[Hydreionocrinus] 



acanthoporus. 85 

 raucrospinus ... 85 



subtumides 84 



Poteriocrinus ..23,26, 37, 38, 42. 43, 60, 85, 91, 118 



163, 249, 251 



bursseformis 118 



carinatua 36, 60 



depressus 85 



? enormia 586 



hemisphericua 52 



indianensis 38, 60 



montanaensia 163 



obuncus 118 



occidentalis 249, 251 



rhombiferus 349, 251 



salignoideus 118 



(Scaphiocrinus) bayensis ... 38 

 carbonarius. 36 

 decadacty 



lus 33,43 



norwoodi ... 38 



solidus 36 



subtuniidns. 38 

 tenuidaciy- 

 lua 38,00 



Page. 



Poterioci'inus (Scaphiocrinus) unicus 91 



wachsmuthi. 36 



spinosus 349, 251 



aubimprcssus 36, 60 



swallovi 33, 42 



tenuibrachiatus 36, 60 



tumidus 349, 251 



(Zeacrlnns) carbonarius 37 



Priscoficus homii 221 



Prionocyclus 94 104,159,265 



macombi 94 



(Prionotropis) Troolgari 104 



wyomingensis 159, 265 



Prionotropis 104 



Procardia 100 



Prortuctella 193 



Productidai 31, 62, 108, 109, 121 



Productus . . 24, 26, 30, 44, 45, 58, 61, 62, 72,'85, 89, 92, 



94, 108, 109, 119, 130, 131, 149, 155, 163, 



177, 193, 196, 233, 235, •.;o7 



? 62, 89, 109, '232 



jpquicostatus 253, 274 



brachy thairus 225 



calhounianus 20, 245, 257 



cancrini 52 



cora 177,243,255 



var. niogayoni 243 



costatoides 245 



costatus.. 72,109, 131,149, 177,243,245,2155 



? 232 



delawarii 343 



diasimilia 62 



elegana 235 



exanthematna 58 



flemingii 152, 243 



Var. bnrlingtonensia . . . 235 



fragilis 333, 225 



giganteus 163 



hirsutiforme 193 



horreacena 52 



horridus 52 



ivesi 345 



koninckianus 52 



liBvi<:ostatu8 ? 235 



liBvicostua 116 



laaallensis 85 



latissimus 92 



leplayi ? 257 



longispinus 52, 72, 85, 109, 131, 177 



magnus 36, 61 



mexicanus 131, 356, 257 



multistriatns 33, 94, 109 



muricatus 131 



nanus 34, 45 



nebrascensia ... .52, 72, 85, 131, 177, 350, 



274 



uevadensis 109 



nodosTiN 345,246 



norwoodi 30,257 



occidentalis 345 



orbinianus 52 



parvus 34, 44, 130 



pertonnis 73 



liileolua 356, 257 



l)Oi)ei 356, 257 



