340 



Page. 



Leptarbacia 53 



argutus 53,545 



Linthia alabamensis 153, 300 



californica 214-215, 327 



tumidula 93, 100,552 



variabilis 99-100, 283 



wiliningtonensis 152-153, 200 



M. 



Macrastcr texanus " 88 



Macrophora macrophora 208 



ravenelli 206, 207 



Hacropneustes carolinensis 154, 300 



mortoni 155, 301 



Marsupites americanus 39, 285 



testudinarius 39 



Marsupitida? 39 



Mellita ampla 225, 226 



caroliniana 201-205, 226, 330, 321 



caroliniata 204 



pentapora 205, 225-227, 335, 336 



quinqucfora 225 



sexforis 205 



tcstudinata 225 



texana 225, 226 



Meoma spatiosa 215 



ventricosa 215 



Merriam, John C, acknowledgment to 7 



cited ISO, 216-217 



Merriamaster perrini 190 



Merrill, G. P., species named after 165 



Mesozoic echinoderms, geologic distribution of 12-13 



Mesozoic formations, American, stratigraphic positions of 11 



Metalia holmesi 215 



raveneliana 215 



Micraster ungula 93 



Microcrinus conoidcus 112 



Micropsis lineatus 63, 254 



Miller, S. A. , cited 39 



Miocene echinoderms, descriptions of 17S-215 



Mcera lachesis 227 



Monostychia marginalis 127 



plana 121 



Mortonella 128 



quinquefaria 128, 130, 137, 191, 289, 290 



rogersi 128 



Mortonia Desor 128 



joncsii 136 



quinquefaria 128 



rogersi ,. 128, 133 



turn Ida 133, 137 



turgida 136, 137 



(Periarchus) carolinensis 204 



lyelli 131 



marginalis 126 



pileus sinensis .'. . 135 



plana 121 



Nucleolitcs crucifcr 71 



cruciferus * 71 



lyelli 141-142 



mortoni 171 



oviformis ; 72 



NucleolitidEe 68-72, 165, 170 



Nuculites crucifcr 71 



cruciferus 71 



O. 



Oligocene echinoderms, descriptions of 157-177 



eastern Gulf, stratigraphic distribution of 104, 105 



Oligopygus 166 



costulatus 167 



floridanus 167, 16S, 169-170, 30S 



haldermani 167, 167-169, 170, 307 



ovum-serpentis 167, 168, 170 



wetherbyi 166-167, 16S, 170, 307 



Ophioderma bridgerensis 43 



Ophiodermatidse 178 



Ophioglypha bridgerensis 43-44,537 



texana 43, 44, 237 



utahensis ; 2B,282 



Ophiolepidida? 29, 43-44 



Ophiuroidea 23, 29, 43-44, 178-179 



Opissaster conradi 174 



Orthechinus pretiosus 118, 285 



Orthopsida? 54-55 



Orthopsis occidentalis 54-55, 246 



planulata 54, 245 



P. 



Pack, R. W., cited 1S7, 206, 217 



Paractinopoda 177 



Pedinidee 33 



Pedinopsis pondi 65, 253 



symmetrica 64, 252 



Pentaceros asperulus 42-43, 237 



Pentacerotidfc 42-43 



Pentacrinida? 21-22, 25-28, 35-36 



Pentacrinites astcriscus 25, 26, 27 



Pentacrinus asteriscus 22, 25, 26, 26-27, 2S, 232 



beaugrandi 26 



bryani 35-36, 235 



shastensis 27, 28, 232 



tehamaensis 35,36,535 



whitei 26, 27, 27-28, 232 



(Cainocrinus ) andrea? 26 



Pentagonaster arculatus 41 



browni 41-42, 236 



Pentagonasteridee 41-42 



Periarchus 130 



altUS 130-131, 188, 287 



carolinensis 204 



crustuloides 122 



lyelli 125, 126, 127, 130, 131, 131-133, 136, 18S, 290, 291 



margitialis 127 



pileus-sinensis 133, 134, 135-136, 292 



plana 121 



protuberans 133, 133-134, 136, 291 



sp. a Stefanini 132 



sp. b Stefanini 130 



Periaster australis 95 



Pericosmus spatiosus 215 



Phanerozoma 41-43 



Pkymosoma texanum , 60 



Pinnata 39-40, 112 



Plagiobrissus holviesi „ 215 



ravenelianus 215 



Plagionotis ravenelianus 215 



Plagionotits holmesii 215 



ravenelianus 215 



Pleistocene echinoderms, descriptions of 222-227 



Pliocene echinoderms, descriptions of .216-221 



Psammechinus cingulatus 63-64, 251 



exoletus -. 182 



improceras 180 



philanthropic 181-182, 313 



ruflini 181 



Pseudodiadema baileyi 32 



diatretum 56,#4# 



emersoni 32, 234 



Mlli. 



59 



ornatum 56 



roemeri 55 



speciosum 61 



tenue 55 



texanum 55, 57, 60, 61, 247 



Pygasterida? 33-34, 65-66 



Pygorhyncus crucifer 71, 142 



gouldii 171 



grignonensis 146, 171 



lyelli 141 



maveri 146, 147 



morton is 67 



rugosus 147 



Pygurus florealis 74 



geometricus 72 



sp. 



34 



