.134 



PALEONTOLOGY OF NEW- YORK. 



Paoc 

 Platyccras toniiiliratura.. . 317 



— tortuosum 472 



_ ? 473 



— tubajforme 332 



— trilobatum 316 



— undulostriatum • • 336 



— unguiforme 322 



— unisulcatum 316 



— ventricosum, 311, 475 

 (Plalynstoina) calloeam . 478 



PUtycrinus parvus 114 



— pliimosus 113 



— ramulosus .... 115 



— tentaculatus . . . 116 



Plattostoma 299 



Platyostoma arenosa 302 



— dcpressa 301 



— subangulata . . . 301 



— ventricosa, 300, 469 

 Pleurotoraaria labrosa .... 339 



Proetus protuberans 351 



Protastkb 134 



Protaster forbesi 134 



Ptbktootus 416*, 424* 



Pterygotus cobbi 417* 



— macrophthalmus, 418* 



— osborni 419* 



Rastbites 521 



Rastritos barrandi 521 



Rensskl.ekia 454 



Rensselaeria ffiquiradiata . . 255 



— cumberlandiw . 404 



— elliptica 250 



— intermedia .... 463 



— laevis 256 



— marylandica ... 401 



— mutabilis 254 



— ovalis 458 



— ovoides 450 



— gucssana 459 



Rbtkoqkaptus 518 



Reteograptus geinitzianus. 518 



Retiolitks 517 



Rhynchonclla abrupta 228 



— acutiplicata .... 232 



— scquivalvis .... 224 



— altiplicata 231 



— barrandi 442 



— ? bialveate 233 



Pagk 

 Rhynchonclla campbellana, 239 



— eniinens 237 



— fltchana 441 



— formosa 236 



— muUistriata . . . 440 



— mutabilis 225 



— inutilis 233 



— nobilis 240 



— nuclcolata 227 



— oblaU 439 



— planoconvexa . . 235 



— pleiopleura .... 440 



— principalis 443 



— pyramidata .... 229 



— ramsayi 446 



— rudis 235 



— semiplicata .... 224 



— septata 443 



— speciosa 444 



— sulcoplicata. . .. 236 



— transversa .... 234 



— vcllicata 230 



— ventricosa 238 



Rhynchospira . 213, 483, 484 

 Rbynohospira deweyi .... 216 



— formosa . . 215, 485 



— globosa 215 



-^ rectirostra, 217, 485 



Sph.brootstites 130 



Sphaerocystites niultifasciatus,130 

 Spirifer arenosus 425 



— arrectus 422 



— concinnus 200 



— cumbcrlandiae . . . . 421 



— cyclopterus 199 



— intermedins 424 



— raacropleurus .... 202 



— modestus 203 



— octocostatus 205 



— perlaincUosus .... 201 



— pyxidatus 428 



— sairordi 203 



— submucronatus . . 419 



— tcnuistriatus .... 204 



— tribulis 420 



— vanuxemi 198 



Spirorbus lax us 349 



Strophodonta beckii 191 



— cavumbona 187 



Pikoa 



Strophodonta geniculata .. 483 



— headleyana 185 



— intermedia 482 



— Icavenworthana . . 189 



— lincklicni 415 



— magnifica....414, 482 



— magniventra 411 



— planulata 184 



— punctulifera 188 



— varistriata 180 



— — var. arata .... 183 



— vascularia 412 



Strophomena conradi .... 194 



— radiata 193 



— rugosa 195 



— — car. ventricosa, 417 



— woolworthana ... 192 



Stbophostylits 303 



Strophostylus andrewsi . . 472 



— dcpressus 306 



— elegans 304 



— expansus 470 



— fitchi 306 



— globosus 305 



— matheri 471 



— obtusus 305 



— rotundatus .... 307 



— transversus .... 470 



TEcn.vocBiNus 139 



Technocrinus andrewsi . . . 141 



— sculptus 143 



— spinulosus .... 140 



— striatus 142 



Tellinomya nucleiformis .. 203 

 Tentaculites elongatus .... 136 



— irregularis .... 137 



Thamnograptus 519 



Thamnograptus capillaris . 520 



— typus 519 



Trematospira 207 



Trematospira camura 212 



— costata 210 



— multistriata . . . 209 



— perforata 208 



— simplex 211 



— — var 211 



Triplbsia 522 



Triplegia cxtans 523 



