INDEX. 



365 



Orthis Whitfleldi, JV. B. Winchell, 



0. zonata, Ualmau, 



O. (Dalmauella) aicuaria, sp. nov. 



O. (Dalmanell) supei'stes, sp. nov. 



O. (PliBsiomys) loiicula, sp. nov., 



O. (Uhipidomella), Oweni, sp. uov 



O. (Schizophoria) senecta, sp. nov 



Orthisina ailscendens. Pander, 



O. anomala, li'Orbigiiy, 



O. cava, Barrande, 



O crassa. Meek and Uayden, 



O. festviata, Hillings, 



O. graudiBva, Billings, 



O. Missouriensis, Swallow, . 



O. occidenialis, Newberry, 



O. orientalis, Whitfield, 



O. transversa, Walcott, 



O. Verneuili, Eichwald, 



Orthostrophia strophomenoides ,Hall, 



Orthothetes desideratus, sp. nov., 



Orthothetes pecten, Batman, 



O. radiata, Fischer, 



O. socialis, Fischer, 



O. subplanus, Conrad, 



O. umbraculum, fO» .BmcA, 



Patella anomala, MuUer, 



P. antiquus, Schlotheim, 



P, implicata, Sowerby, 



Paterula Boliemica, Barrande, 



Pentanierus oblongus. Hall, 



Pliolidops antiqua, Schlotlieim, 



P. bellula, Walcott, 



P. calceola, sp.nov., 



P. Cincinnatiensis, Sail, 



P. HarailtoniEe, Hall, 



P. implicata, 



P. lepis, sp. nov., 



p. liuguloides. Hall, 



P. oblata, Hall, 



P. ovalis. Hall, 



P. ovata. Hall, 



P. patina, sp. nov., 



P. sp. ? . 



P. squamitbrmis. Hall, 



1*. terminalis, Halt, 



P. Trentonensis, Halt, 



Plectambomtes crassa. Pander, 



P. oblonga. Pander, . 



P. orata. Pander, 



P. planissima. Pander, 



P. testudinata. Pander, 



P. transversalis, Wahlenberg, 



Plicatula striatocostata. Cox, 



Polytoecbia apicalis, Whitfield, 



Producta analoga, Ph\^\\\)5, 



P. monili/era, McCoy, 



P. rugosa, Hisiuger, 



P. truncata, Hall, 



P. (Triplecia) monili/era, McCoy, 



Productelta hystricula. Hall, 



Prt ductus ^quicostatus, Hall, 



P. ajquiradiatus, Shumard, 



P. alternatus, Norwood and Pratten, 



P. Altonensis, Norwood and Pratten, 



PAGE. 



. 221 



191 



341 



342 



341 



St» 



343 



191, 237 



. 237 



271 



. 262 



230 



. 231 



266 



. 266 



230 



. 230 



234, 237 



. 200 



345 



. 350 



256 



. 266 



246 



239, 345 



122, 



157 



150 



158 



158 



79 



28S 



159 



157 



157, 188 



157, 159 



157, 159 



157, 159 



. 157 



157 



. 157 



157 



157, 159 



188 



. 159 



156, 159 



. 157 



137, 159 



297, 298 



300 



. 300 



296, 297, 298 



. 297 



:98, 299 



. 265 



239 



. 2S0 



270 



. 279 



316 



. 271 



316 



. 326 



326 



. 337 



327 



Productus Americanus, Swallow, 



P. arcuatua. Hall, 



P. asper, McChesneg, 



P. biseriatus, HaU, 



P. Burlingtonensis, Halt, 



P. Cheslereusis, Worthen, 



P. Cbristiani, de Koninck, 



P. clavus, Norwood and Pratten^ 



P, comoides, .Sowerby, 



P. coraplectens, Etheridge, . 



P. compressua, Waagen, • 



P. Cora, d'Orbigny, 



P. costatus, Sowerby, 



P. dissimilis, Hall, 



P. ermineus, de Koninck, 



P. Geinitzianus, de Koninck, 



P. geuuinus, Kutorga, 



P. Hallianus, Walcott, 



P. horridus, Sowerby, 



P. Lasallensis, Worthen, 



P. latirostratus, Howse, 



P. Leonhardi, . 



P. Llangotlen&is, Davidson, 



P. lougispinus, Sowerby, 



P. magnus. Meek and Worthen, 



P. marginicinctus, Prout, 



P. Martini, Sowerby, 



P. mesolobud, Phillips, 



P. mytiloides, Waagen, 



P. Nebrasceusis, Owen, 



P. Newl-ierryi, HaU, 



P. nodosus, Newberry, 



P. Nystianus, de Koninck, 



P. opuutia, Waagen, 



P. ovatus. Hall, 



P. pileilbrmis, Newberry, 



P. Prattenianus, Norwood, 



P. proboscideus, de Vemeuil, 



P. punctatus, Martin, 



P. Kogersi, Norwood and Pratten, 



P. scabriculus, Martin, . 



P. semii'eticulatus, Martin, 



P. spleudens, Norwood and Pratten, 



P. striatus, Fischer, 



P, subaeuleatus, Murchison, 



P. sulcatus, Castelnau, 



P. symmetricus, McChesney, 



P. tenuicostatus. Hall, 



P. umbonillatus, Davidson, 



P. vittatus, Hall, 



P. Wortheni, Hall, .... 



P. (Daviesiella) Llangollensis, ZJorfdson, 



P. (Etheridgina) complectens, Etheridge, 



P. (Proboscidella) proboscideus, de VerneuU, 



Pronites adscendens. Pander, 234, 



P. humilis. Pander, .... 



P. oblonga. Pander, .... 



P. (Clitambonites) adscendens. Pander, 



Rafinesquina alternata, Conrad, 



K. expansa, Sowerby, 



Richthofenia Lawrenciana, de Koninck, 



Ilhinobolus Davidsoni, sp. nov., 



R. Galtensis, Billings, .... 



Bhynchonella angulata, Geinitz, 



PAOE. 

 . S2« 



327 

 . 327 



327 

 . 327 



327 

 . 327 



334 

 317, 318 



316, 335 

 . 326 



326 

 327 

 332 



. 334 

 327 



. 334 

 332 



. 327 

 327, 332 



. 320 

 326 



317, 318 



316, 332 

 . 327 



327 



. 325 



327 



. 326 



263,325, 327 



. 329 



326 



. 334 



327 



. 326 



326 



. 326 



333, 334 



. 327 



327 



. 327 



327, 329 



. 332 



326, 334 



317, 3-28 

 ■260 



. 327 



327 

 . 320 



327 

 . 327 



317 

 . 335 



333 

 235, 237 



238 

 . 238 



238 

 250, 286 



250 

 . 154 



*.■;, 176 



45, 176 

 217 



326, 



3-25, 



