310 



INDEX OF GENERA AND SPECIES. 



Page. 



Pholadomya (Goniomya) boreali.s 17 



(Homomya) audax 225 



curvata [?1 225 



glendonensis HHS 



liiimilis 21, 34 



kingii 164 



marylandica 805 



occi Jeutalia 269 



orbiculata 35 



papyracea 39,100 



(Platymya) undata 225 



(Procardia) hodgii 1 00 



roemeri 369 



sancti-sabae 220 



subelongata 17,92 



snbventricosa 18,100 



syriaca 5209 



texana 318 



undata M. &.B. 15, 48 



undata Dana 333 



PboladomyidaB 100 



I'bolas 205,270 



citbara 270 



cuneata 18 



?lata 370 



petrosa 303 



Pbolidocidaris 83 



irregularis 83, 87 



Pholidops 79,102 



bellula 193 



cincinnatiensis 79 



<iuadrangulari8 193 



Thoucmu.s (Flabellina) cuneatus 47 



Sagittarius 47 



Phorus 138,208 



exoneratus 138 



syriacus 30S 



Pbragmoceras 39,91,248 



ventricosnm ? 247 



walshu 39,91 



Pbyllites 246 



coriaceous 346 



venosissimus .• 346 



rhylloceras 93, 104 



?balli 104 



? ramosus 93 



Phylloda 100 



rhyllograptus 126,129 



loringi 136,129 



I'liyllopoda 61 



Thyllotbeca australis '227 



Phylloteuthis 31,105 



subovata 105 



snbovatus 31 



Physa 107, 135, 137, 141, 143, 161, 197 



? 143,161,167,168 



bridgerensis 77, 135, 159, 170 



carletoni 77, 143, 167 



copei 139, 161, 169 



felix 141, 161, 169 



tanabensis 137 



longniscula 16 



nebrascpnsis 16 



pb^roniatis 135, 170 



prisca 180, 197 



rbomboidea 16 



Page. 



? secalina 107, 170 



subelougata 16 



Pbysauoidas 110, 239 



Pbyaella 107 



Pliy setocrinus 81 



PhysidiV 106, 107, 135, 139 



Physinto 34 



Pbysodon 107 



Piostocbeilus 49, 103, 159 



vicksburgensis 222 



Pileopsis tenella 336 



alta 336 



Pinna 73, 111, 121, 127, 132, 134, 158, 178, 



196, 245, 259, 267, 270 



calamitoides 356 



oonsimilis 196 



binricbsiaua 131 



inexpectans 196 



kingii Ill 



lakesi 143, 158 



laqueata 207 



?lingula 345 



ludlovi 359 



peracuta 73, 132, 178 



petrina 137, 134, \r>2 



rostriformis 270 



stevensoni 153 



Pinnidae Ill, 121, 132,134,267 



Pinnularia afflnis 229 



ampbioxys 229 



digitus 229 



gastrum 229 



macilenta 229 



mesgongyla 229 



oregouica 229 



pachyptera ? 203, 229 



])lacentula 229 



viridis 229 



viridula 229 



Pirenella 106,161 



Pisces 224 



Pisidium 137 



saginatum 137, 168 



Pitar 100 



Placenticeras 93, 104 



placenta 104 



var. intercalare 104 



(Sphenodiscus) lenticulare . . . 104 



yanco-uverense 93 



Placunopsis 86, 90, 142 



carbonaria 41, 86,87 



hilliardensis 143 



recticardinalis 90 



Plagiarca 98 



Plagiostoma dumosa 222 



ecbinatum 47 



pelagicnm 47 



Planaria nitens 221 



Planella 35 



Planorbella 34,106 



Planorbinte 34 



Planorbis 34, 95, 106, 107, 112, 135, 1.37, 153, 



159, 161 



1 135 



iPipialis 153, 170 



amplezus 17 



