362 



Fio. ,„ Pas. 

 Plate 56. 



1 Atrypa rugosa 271 



2 — nodosti-iata 272 



3 — camura 273 



Plate 57. 



1 Atrypa Dcglecta 27-4 



2 — intcrplicata 275 



3 — bidcntata 27G 



4 — cuncata 27G 



5 — » 277 



6 — dispaiilis 277 



7 — aprinis 280 



Plate 58. 



1 Atrypa brevii'ostra 278 



2 — obtusipUcata 279 



3^ 4 _ plicatella 279 



5 _ corallifera 281 



Platk 59. 



1 Avicula emaceiata 282 



2 — undala 283 



3 — subplana 283 



4 _? oibiculata 284 



5 Posidonomya? rhomboidea. 284 



6 Modiolopsis? undulostriata. 284 



7 — subalatus? 285 



8 Orthonota curta! 285 



Plate GO. 



1 Platyostoma niagarcnsis . . . 287 



2 — bemispherica 288 



3 Acroculia niagarensis 288 



4 — angulata 289 



Plate G1. 



1 Gomphocoras? 290 



2 Cyrtoceraa? canccllatum . . 290 



3 Orthoceras 291 



4 — imbricatum ^91 



Plate 62. 



1, 2, 3 Orthoceras imbricatum? 291 



Plate 63. 



1, 4 Orthoceras canccllatum . . . 292 



2, 3 — virgatum ? 291 



5 _ ! 292 



Plate 64. 



1 Orthoceras undulatum .... 293 



Platb 65. 



1 Conularia niagarensis 294 



2 — longa 295 



3 Orthoceras undulatum 293 



4 — cancellatum 292 



Plate A CG. 

 1 Cybele punctata 297 



PAL.iEONTOLOGY OF NEW-YORK. 



Fjo. 



Plate A 66. 



Acidaspis 



Pliacops trisulcatus . 

 Ceiaurus insignis . . . 

 Calvmcne cliiitimi . . 



Pao. 



. 290 



. 300 

 . 300 

 . 298 



302 



303 

 300 



307 

 316 

 315 

 317 



— blumeubacliii, var. 



scuaria, 299 



7 Ilomalonotus delpbiuocopha- 



lus, 299 



8 Phacops limulurus 299 



9 Bumastis barricnsis 299 



10 Beyrichia lata 301 



Plate 66. 

 1-15 Bumastis barricnsis 



Plate 67. 

 1-8 Phacops limulurus . 

 9, 10 Ceraurus insignis . . . 

 11, 12 Calymenu blumeubacliii, 

 var. niagarensis, 



13, 14 Proetus? stokesii 



15 — coryca'us . . . 



16 Beyrichia symmetrica . . 

 17-21 Cytherina spiuosa 317 



Plate 68. 



1 Homalonotus delpbinocephaUis,309 



Plate 69. 



1 Lichas boltoni 311 



Plate 70. 



1 Lichas boltoni 311 



2 Arges phlyctanodes 314 



3 Bronteus? niagarensis 314 



Plate 71. 

 1 Onchusdeweii 320 



Plate 72. 



1 Diplophyllum coralliferura. 322 



2 Stromatopora constellata . . 324 

 3, 4 Columuaria iuequalis 323 



Plate 73. 



1 Fa vosites niagarensis? 324 



2 Stromatopora concentrica . 325 



Plate 74. 



1, 2 Orthis interstriata 326 



3 Leptrena 326 



4,5 — bipartita 326 



6 Strophodonta textilis 327 



7,8 Spirifer 327 



9 — crispus 328 



10 Atrypa nucleolata 328 



11 — lamellata 329 



12 - 330 



Plate 76. 

 1 Tellimmya? cquilatera . ... 330 



Fio. Pao. 



Plate 75. 



2 Avicula? 381 



3 — subrecta 381 



4,5 — sccuriforniis 331 



6 — limaifiirmis 882 



Plate 70. 



1 Platyostoma 333 



2 Plcurotomaria subdcpvessa. 333 



3 Murcbisonia? obtusa 333 



4 — ? terebrans 334 



5, 6 Bucaiiia 



334 

 834 



Belleropbon aurlculatus . 



Plate 77. 



1 Trochoceras turbinata 336 



2 — gebhardii 335 



Plate 77 a. 



1 Trochoceras gebhardii 335 



2 Oncoceras expansum 337 



Plate 78. 



1 Calymene camerata 337 



2 Cytherina alta? 338 



4 Phragmoceras? 351 



Plate 79. 



1 , 2 Pcntamcrus occidentalis . . 341 



Plate 80. 



1 Mcgalomus canadensis .... 343 



Plate 81. 

 1 Slegalomus canadensis .... 343 



Plate 82. 

 1 Mcgalomus canadensis 343 



Plate 83. 



1 Murcbisonia bivittata 345 



2 — longispira 345 



3 — boydii 346 



4 — logauii 346 



5 — macrospira 346 



g — turriliformis 347 



7 Subulites ventricosa 347 



8 Calymene 350 



Plate 84. 



1 Cyclonema sulcata 347 



2 Plcurotomaria bispiralis . . . 348 



3 _? 348 



4 — solarioides 348 



5 — perlata 349 



6 Bucania angustata 349 



7 Cyrtoceras arttiaimeratum, 349 



Plate 85. 

 1-4 Stephanocrinus angnlatus, 351 



5, 6 Calceocrinus 352 



7 Eucalyptocrinns 3')2 



8-10 Paheaster niagarensis . . . 352 

 11,12 Tentaculitcs niagarensis . 352 

 13-19 Coruulites 353 



