388 



INDEX. 



Pentamerus tenuico.^ta, Hall, 



P, tenuistriatits, Walmstedt, 



F, nniplicatuSf Xcttelroth, 



P. ventricosus, Hall, 



P. Verneuili^ Hall, , 



Pexidella Strohmayeri. Suess^ 



Pholidops antiqua, Srhlotheimi 



P. arenaria, HaH^ . 



P. bellula, WaXcott^ 



P. calceola, sp. nov,, 



P. Ciuciunatieusis, Ha//, 



P. llamiltoni.'c, Hall^ 



P. implicata, Sowerbi/, 



P. Icpis, sp, nov., . 



P. lin^uloldes, Halt^ 



P. oblata, JIall, 



P. ovalis, nail, 



P. ovata Baltf 



P. patina, sp. nov., 



P. sp. ? . . . 



P. squaraiformis, Holly . 



P. terminalis, Ballf 



P. Trentonensis, Hall., 



I'lectambonites crassa, Pander^ 



P. oblo/iga. Pander, 



P. ovata^ Pander, . 



P. plauissima, Pander, 



P. producta, sp. uov., 



P. tcstudinata, Pander, 



P. traiisversalis, Wahlenbcrg^ 



Plicatula striatocostatai Cox, 



Polytcechia apicalis, Whit/ielti, 



Porambonites intermedia. Pander, 



P. obscurus, Hall and Whitfield, 



P. Otlawaensis, Billings, . 



Producta analoga. Phillips, 



P. modesta^ i^^y) Hall, 



P. monilifera, JlcCoy, 



P. rugosa, Hisinger, 



P. truncata, Hal!, . 



P. (TripUcia) VKmilifera, M<"Coy . 



Prodiictella hystricula, Hall, 



Productus ajquicostatus, Hall, 



P. requiradiatus, Shunuird, 



P. alternatus, Norwood and Prattcn, 



P. ^Vltonensis, Norwood and Pmttfn, 



P. Aniericanus, Swallow, 



P. arcuatus, Hall, . 



P. asper, McChesney., 



P. biseriatus, Hall, 



P. Burlingtonensis, Hall, 



P. Chesterensis, Wortkefi, 



P. Christian!, de Koninrk,. 



P. cla^'^IS, Norwood and Prattcn, 



P. comoides, Sowerbj-, 



P. complectens, Etheridge, 



P. compressus, Waagen., . 



P. Cora, d^Orbigiiy, 



P. costatus, Sowerby, 



P. dissimilis, Hall, . 



P. ermineus, de KonincJc, . 



P. Geinitzianud, dc Eoninck, 



P. genuinus, Kutorgay 



