362 



PAL^ONTOLOGV OF NEW-YOEK. 



Flc. Pag. 

 Plate 56. 



1 Atrypa rugosa 271 



2 — nodostriata 272 



3 — camura 273 



Plate 57. 



1 Atrypa neglecta 274 



2 — interplicata 275 



3 — bidentata 276 



4 — cuneata 276 



5 — ? 277 



6 — disparilis 277 



7 — aprinis 280 



Plate 58. 



1 Atrypa brevirostra 278 



2 — obtusiplicata 279 



3, 4 — plicatella 279 



5 — corallifera 281 



Plate 59. 



1 Avicnla emacerata ; . . 282 



2 — undala 283 



3 — subplana 283 



4 — ? orbiculata 284 



5 Posidonomya? rhomboidea. 284 



6 Modiolopsis? undulostriata . 284 



7 — -subalatus? 285 



8 Orthonota eurta? 285 



Plate 60. 



1 Platyostoma niagarensis . . . 287 



2 — hemispherica .... 288 



3 Acroculia niagarensis 288 



4 '— angulata 289 



Plate 61. 



1 Gomplioceras? 290 



2 Cyrtoceras? cancellatuni .. 290 



3 Orthoceras 291 



4 — imbricatum 291 



Plate 62. 

 1) 2, 3 Ortboceras imbricatum? 291 



Plate 63. 



1, 4 Ortboceras cancellatum . . . 292 



2,3 — virgatum? 291 



5 — ? 292 



Plate 64. 



1 Ortlioceras undulatum .... 293 



Plate 65. 



1 Conularia niagarensis 294 



2 — longa 295 



3 Ortlioceras undulatum .... 293 



4 — cancellatum 292 



Plate A 66. 



1 Cybele punctata 297 



Fig. Pag. 



Plate A 66. 



2 Acidaspis 290 



3 Phacops trisulcatus 300 



4 Ceraurus insignis 300 



5 Calymene clintoni 298 



6 — blumenbachii, var. 



senaria, 299 



7 Homalonotus delphinocepba- 



lus, 299 



8 Phacops limulurus 299 



9 Bumastis barriensis 299 



10 Beyricbia lata 301 



Plate 66. 

 1-15 Bumastis barriensis . . . 302 



Plate 67. 

 1-8 Phacops limulurus .... 303 



9, 10 Ceraurus insignis 306 



11, 12 Calymene blumenbachii, 



var. niagarensis, 307 

 13, 14 Proctus? stokesii 316 



15 — corycoeus 315 



16 Beyricbia symmetrica . . . 317 

 17-21 Cytherina spinosa 317 



Plate 68. 



I Homalonotus delpbinocepbalus,309 



Plate 69. 



1 Lichas boltoni..., 311 



Plate 70. 



1 Lichas boltoni 311 



2 Arges phlyctanodes 314 



3 Bronteus? niagarensis 314 



Plate 71. 

 1 Onchus deweii 320 



Plate 72. 



1 Diplophyllum coralliferum. 322 



2 Stromatopora constellata . . 324 



3, 4 Columnaria inequalis 323 



Plate 73. 



1 Favosites niagarensis? 324 



2 Stromatopora concentrica . 325 



Plate 74. 

 1 , 2 Orthis interstriata 326 



3 Lepttena 826 



4, 6 — bipartita 326 



6 Strophodonta textilis 327 



7, 8 Spirifer 327 



9 — crispus 328 



10 Atrypa nucleolata 328 



II — lamellata 329 



12 — 380 



Plate 75. 

 1 Tellinomya? equilatera .... 330 



Fig. Pag. 

 Plate 75. 



2 Avicula? 331 



3 — subrecta 331 



4,5 — securiformis 331 



6 — limseformis 332 



Plate 76. 



1 Platyostoma 333 



2 Pleurotomaria subdepressa. 333 



3 Murchisonia? obtusa 333 



4 — ? terebrans 334 



5, 6 Bucania 334 



7 Bellerophon auriculatus . . . 334 



Plate 77. 



1 Trocboceras turbinata 336 



2 — gebhardii 335 



Plate 77 a. 



1 Trocboceras gebhardii .... 335 



2 Oncoceras expansum 337 



Plate 78. 



1 Calymene camerata 337 



2 Cytherina alta? 838 



4 Phragmoceras? 351 



PL.4.TE 79. 



I , 2 Pentamerus occidentalis . . 341 



Plate 80. 



1 Megalomus canadensis .... 343 



Plate 81. 



1 Megalomus canadensis .... 343 



Plate 82. 



1 Megalomus canadensis 343 



Plate 83. 



1 Murchisonia bivittata 345 



2 — longispira 345 



3 ■ _ boydii 346 



4 — loganii 346 



5 — macrospira 346 



5 — turritiformis 347 



7 Subulites ventricosa 347 



8 Calymene 350 



Plate 84. 



1 Cyclonema sulcata 847 



2 Pleurotomaria bispiralis . . . 348 



3 — ? 348 



4 — solarioides 348 



5 — perlata 349 



6 Bucania angustata 349 



7 Cyrtoceras arcticameratum, 349 



Plate 85. 

 1-4 Steplianocrinus angulatus, 351 



5, 6 Calceocrinus 352 



7 Eucalyptocrinus — r- 3')2 



8-10 Pateaster niagarensis . . . 362 



II, 12 Tentaculites niagarensis . 352 

 13 - 19 Qornulites 3.53 



