INDEX. 



365 



Orthis Whitfleltli, X. H. Winckell, . 



0. zonata, Dalmau, 



O. (Dalmanella) arcuaria, sp. iiov., 



O. (Dalmanell) superstes, sp. nov. 



O. (Plresiomys) loricula, sp. nov., 



O. (Uhipidomella), Oweni, sp. uov 



O. (Schizoplioria) senecta, sp. uov. 



Orthisina adscendetis. Pander. 



O. anomala, d'Orbigny, 



O. cava, Barrande, 



O. crassa, Meek and Haydeu 



O. festinata, liilliugs, 



O. graiidiBva, Billings, 



O. Missouriensis, Swallow, 



O. occidentalis, Newberry, 



O. orientalis, Whitfield, 



0. transversa, Walcott, 



O. VerneuUi, Eichwald, 



Ortbostropliia strophomenoides ,Hall, 



Orthothetes desideratus, sp. nov., 



Orthothetes pecten, Dolman, 



O. ladiata, Fischer, 



O. socialis. Fischer, 



O. subplanus, Conrad, 



O. umbraculum, von Buck, 



Patella anomala, Muller, 



P, antiquus, Schlotheim, 



P. implicaia, Sowerby, 



Patcrula Bohemica, Barrande, 



Pentamerus oblongus, Hall, 



Pholiclops autiqua, Schlotheim, 



P. bellula, Walcott, 



P. calceola, sp. nov., 



P. Cinciunatiensis, Hull, 



P. Uamiltonis, HaU, 



P. impUcata, 



P. lepis, sp. nov., 



p. liuguloides, Hall, . 



P. oblata. Hall, 



P. ovalis, ^TaW. 



P. ovata, Hall, 



P. patina, sp. nov., 



P. sp. ? . 



P. squamilbrmis. Hall, 



v. terminalis. Hall, 



P. Trentonensis, Hall, 



Plectambonitea crassa, Pander, 



P. ohlonga. Pander, . 



P. ovata. Pander, 



P. planissima, Pander, 



P. testadinata, Pander, 



P. transversalis, Wahlenberg, 



Plicatula striatocostata, Cox, 



Polyto3chia apicalis, Whitfield, 



Producta analoga, Pbillips, 



P. monilifera, McCoy, 



P. rugosa, Hi^inger, 



P. truncata, Hall, 



P. [Triplecia) monilifera, McCoy, 



Productella hystricula. Hall, 



Pre ductus aequicostatus, Hall, 



P. Koniradiatus, Shumard, 



P. alternatus, Norwood and Pratten, 



P. Altonensis, Norwood and Pratten, 



Productus Araericanas, SwdUow, 



P. arcuatui, HaU, 



P. asper, McCkesney, 



P. biseriatus, JInll, 



P. Burlingtoncnsia, HaU, 



P. Clieslereusis, Iforthen, . 



V. Christiani, Ue Koninck, 



P. cliivus, Norwood aud Vratteii, 



P. comoides, Sowerby, 



r. complectcns, Ethei^idge, . 



P. compressub, Waagcn, 



P Cora, d'Orbigny, . 



P. costatus, Sowerby, 



P. dissimilis, HaU, 



P. ermiueus, rfe Koninck, 



P. Geinitzianus, de Koninck, 



P. genuiuus, Kutorga, 



P. HaUianus, Walcott, 



P. horridus, Sowerby, 



P. Lasallcusis, Worthen, 



P. latirostratus, Howse, 



P. Leonkardi, . 



P. LlangoUensis, Davidson, 



P. loDgibpinus, Sowerby, 



P. inagnus. Meek and IVorthen, 



P. margiuicinctus, Prout, 



P. Martini, Sowerby, 



P. mesolobus, Phillips, 



P. mytiloides, Waagen, . 



P. Nebrascensis, Owen, 



P. Newlierryi, Hall, 



P. aodosus, Newberry, 



P. Nystlanus, de Koninck, 



P. opuutia, IFaagen, 



P. o\atus, HaU, 



P. pileilormis, Newberry, 



P. Pratteniauus, Norioood, 



P. proboscideus, de Verneuil, 



P. punctatus, Martin, 



P. Kogersi, Norwood and Pratten, 



P. scabriculus, Martin, . 



P. scmii-eticulatus, Martin, 



P. spleudens, Norwood ami Pratten, 



P. striatus, Fischer, 



P. subaculeatus, Murchison, 



P. sulcatus, Castelnau, 



P. symmetricus, McChesncy, 



P. tenuicostatus. Hall, 



P. UTnbonillatus, Davidson, 



P. vittatus, Hall, 



P. Wortheni, Hall, . . 



P. (Daviesiella) LlangoUensis, Davidson, 



P. (Etheridgiua) complectens, Etkeridge, 



P. (Proboscidella) proboscideus, de Verneuil, 



Pronites adscendens. Pander, . . 234, 



P. humilis, Pander, .... 



P. oblonga. Pander, .... 



P. (Clitambonitus) adscendens, Pander, 



Raflnesquina alternata, Conrad, 



U. expansa, Sowerby, 



ttichtiiofenia Lawrenciana, (/e .ffonincA, 



Rhinobolus Davidsoni, sp. nov., 



R. Galtensis, Billings, .... 



Rhynchonelta angulata, Geiuitz, 



263, 325, 



326, 333, 



PAGE. 

 .326 

 327 

 327 

 S27 

 327 

 327 

 327 

 331 

 318 

 335 

 326 

 326 

 327 

 332 

 334 

 327 

 334 

 332 

 327 

 332 

 320 

 326 

 318 

 332 

 327 

 327 

 325 

 327 

 326 

 327 

 329 

 326 

 334 

 327 

 326 

 326 

 326 

 334 

 327 

 327 



327, 



3-25, 327, 



326, 

 3i; 



329 

 332 

 334 

 328 

 250 

 327 

 327 

 320 

 327 

 337 

 317 

 335 

 333 

 237 

 236 

 238 

 238 

 286 

 250 

 154 

 176 

 176 

 217 



