INDEX. 



307 



Page. 



M. flnei 75,81 



M. granti 75, 89 



M. intermedlus 75, 79 



M.(?) lanceolatus 75, 82 



M.(?) parviusculus 75, 87 



M. proavltus 75, 83,85 



M. shafleri 4}, 75, 7 7 



M.(?) wilbcranus 75, 84 



Mesopalaeasterinse 52, 74,102 



mlamlensis, Alepidastcr 230, 238 



miamiensis, Anorthastor 127 



miamlensis, Palxaster 127 



miamiensis, Protaster 233 



miellensis, Agalmaster 132 



millcri, Hudsonaster 55, 60 



miltoni, Lapworthura 250, 251, 253 



miltoni, Protaster 251 



mlnveri, Sympterura 256 



Miomaster 43, 50, 74, 96 



M. drevermanni 9G 



Miospondylus 262, 263 



M. rhenanus 263 



mlra, Calliasterella 191 



mirabilis, Loriolaster 201 



mirus, Calliaster » 190 



mitcbelli, Sturtzaster (?) 254 



MoTiaster Gregory 49, 72 



Monaster E theridge 40, 1 70 



M. Clarke! 171, 172 



M. gigantcus 73 



M. stutchhurii 73 



Monasteridx 162, 163, 1 70 



montana, Urasterella 175,189 



montanus, Asterias 189 



montanus, Palseaster 189 



montanus, Schoenaster (?) 43,207 



mouth angle plate, see oral armatture. 



multidactylus, Echlnodiscaster 211 



muUidaclylus, Echinodiscus 211 



multirayed starfishes 38, 40, 157, 207 



narrawayi, Hudsonaster 43,50,55,69 



narrawayi, Protopalieastcr 59 



neglocta, PalsEura 223 



Neopalseaster 40,43,48,49,57,69,98, 134 



N. crawfordsvillensis 135, 136 



Neopalacasteridae 52,53, 184 



niagaronsls, Palajastcr 68, 69 



obtusus, Ophiura 25 



obtusus, Palxaster 167 



obtusus, Protaster (Ophiura) 25 



obtusus, Stenaster (?) 165, 167 



obtusus, Uraster 167 



occurrence of starfishes 28 



ocular plate 16, 34, 48, 134, 135 



oculars in Echini 35 



ontogeny of Stelleroldea 36 



Onychaster 268 



O. asper 270, 272 



O. barrisi 270, 272 



O. confragosus 270, 273 



O. demlssus 270, 2 74 



O. floxills 269, 270 



Onychasterldffl 2G8 



Ophiocistla 275 



Ophio-Encrinasterise 215 



Ophiopege 263 



Page. 



Ophiura ciliaris 268 



O. obtusus 25 



0. (?) ramosa 22 



O . rhenana 263 



O. salteri 227 



O. schlotholmii 18 



Ophiurasterix 215,246 



OpMurella 263 



0. primigenia 263 



Ophlurina 24 6, 260 



O. lymani 247 



Ophiurinldae 246 



Ophiuroidea 41,42,43, 212, 258, 267 



geological distribution of 28 



number of, in Paleozoic 27, 28 



oral, see actinal. 



oral angles 16 



oral armature 16,43,162,172,210,242 



oral skeleton, see oral armature. 



ordinaria, Schuchertia 196, 199 



ossicles, see plates. 



Palseaster 10, 



40,41,44,49,56,60,67,75,98,104,135,158 



Palxaster (Monaster) Etheridge (part) 72,170 



P. (Argaster) antiqua 86 



P. antiquata 109 



P. antiquus 86 



P. asperrivia 187 



P. caractaci 92 



P. clarl<ana 61,63 



P. clarkei De Koninck 172 



P. clarkei Miller 61 



P. clarki 94 



P. coronella 167 



P. crawfordsvillensis 136 



P. dublus 85 



P. dyeri 120 



P. eucharis 98 



P. exculptus 117 



P. find 81 



P. {Monaster) giganteus 73 



P. granti 89 



P. granulosus Hall 112 



P. granulosus Meek 109 



P. harrisi 180 



P. hirudo 188 



P. imbricatus 169 



P. incomptus 61 



P.jamesi 146 



P. longibrachiatus 115 



P. matutinus 57 



P. miamiensis 127 



P. montanus 189 



P. niagarcnsis 68, 69 



P. obtusus 167 



P. parviusculus 87 



P. pulchellus 178 



P. pygmaca 23 



P. ruthveni 187 



P. shafferi 77 



P. timplez 61,62 



P. speciosus 109 



P. tpinulosus 115 



P. squamatus 23 



P. (Moimster) stutchburii 73 



P. wilberanus 84 



