35S 
PALAEONTOLOGY OF NEW-YOEK. 
Page 
Murchisonia(?) terebralis.334 
— turritiformis.347 
Myalina mytiliformis. 100 
Hyelodactylus. 191 
— brachiatus.222 
— convolutus.192 
-? . 232 
Onchus... .......320 
— deweii.. 320 
Oncoceras expansum. 337 
— gibbosum.. 14 
— subrectum .. 94 
0rbicula(?) squamiformis ..... 250 
— tenuilamellata. 250 
Ormoceras vertebratum ....... 94 
Orthis circulus. 56 
— elegantula . 252 
— — ? var . 67 
— fasciata ... 255 
— flabellura, var .?.. 254, 255 
— hybrida. 253 
— interstriata .326 
•— pisum ..250 
— punctostriata . 254 
—' pyramidalis.351 
— tenuidens .. 58 
— trinucleus..... 58 
Orthoceras abruptum. 97 
— annulatum?. 96 
— cancellatum.292 
— clavatum.104 
— imbricatum?.291 
— multiseptum.291 
— virgatum ....291 
— virgulatum .. 96 
— .. 14, 291, 292 
Orthonota curta .. 86 
— — (?) .285 
PAL2EASTEE .. 247 
— niagarensis ........... 247 
SPalaaophycus striatus..... 22 
— tortuosu-s.. 26 
_ -? . 22 
Pentamerus fornicatus. 81 
— oblongus . 79 
— occidentals.. 341 
— ovalis. 103 
Phacops limulurus. 299 
— trisulcatus ...300 
Ph^snopoea..... 46 
Page 
Phsenopora constellata ........ 47 
— ensiformis.... 48 
— explanata. 46 
Plates of Crinoidea. 230 
Platyostoma niagarensis.287 
— .. 91, 286, 332 
Pleurotomaria bispiralis.348 
— litorea. 12 
— perlata. 349 
— (?) pervetusta. 12 
— solarioidcs.348 
— subdepressa. 332 
— (?) - ................ 348 
POLYDILASMA .. 112 
— turbinatum .......... 112 
Polypoea. 167 
— incepta. 167 
Posidonia? alata. 87 
Posidonomya? rhomboidea .... 284 
Peoetus...315 
— corycoeus .. 315 
— (?) stokesii... 316 
Pyrenoikeus . 87 
— cuneatus . 87 
Retepora angulata. 49 
— asperato-striata . 161 
— diffusa . 160 
Rhinopora. 48 
— tuberculosa.. 170 
— tubulosa. 49 
— verrucosa. 48 
Roots and stems of plants... 21, 25 
Roots, etc. of crinoids, 201,.230, 231 
Rusophycus . 23 
— , bilobatus. 24 
— clavatus. 23 
— pudicus . 24 
— subangularis. 23 
Saccocrincs .. 205 
— speciosus .. 205 
Sagenella. 172 
— membranacea.. 172 
Scolithus verticals..... 6 
Spirifer bicostatus...263 
— biforatus, v. lynx .... 65 
— bilobus. 260 
— crispus. 262, 328 
— niagarensis. 264 
— pyramidalis.266 
— radiatus. 66, 265 
Spirifer sulcatus .•. 261 
— 66, 327 
Stephanocrinus. 212 
— angulatus.212 
— gemmiformis......... 215 
Stictopora crassa. 45 
— punctipora.157 
— raripora. 46 
Streptelasma calicula.Ill 
Striatopora . v . / 56 
— flexuosa.(56 
Stromatopora. 135 
— concentrica. 136, 325 
— constellata........... 324 
Strophodonta. 63 
— prisca.*. 63 
— textilis. 327 
Subulites ventricosa.. 347 
Syringopora. 118 
— (?) multicaulis.. 119 
Tellinomya curta. 86 
— elliptica. 102 
— (?) equilatera. 330 
— lata. 85 
— machaeriformis ....... 85 
Tentaculites minutus.183 
— distans.. 184 
Thysanocrinus. 188 
— aculeatus ............ 190 
— canaliculatus . 189 
— immaturus . 191 
— liliiformis. 191 
Tracks of Gasteropoda, 27,29,30, 
81, 35, 36 
Trematopora. 149 
— aspera. . 154 
— coalescens .. 150 
— granulifera. .154 
— ostiolata .. 152 
— punctata............. 151 
— sparsa.. 155 
— spinulosa ...155 
— solida. 153 
— striata ... 153 
— tuberculosa.149 
— tubulosa. 151 
Trochoceras. 335 
— gebhardii.335 
— turbinata. 330 
