362 
PALEONTOLOGY OF NEW-YOEK. 
1 Atrypa rugosa............ 271 
2 — nodostriata.272 
3 ■— camura.......... 273 
Plate 57. 
1 Atrypa negleeta .......... 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 Avipula emacerata ........ 282 
2 — undata .......... 283 
3 —f snbplana........... 283 
4 — ? orbiculata........ 284 
5 Posidonomya? rhomboidea. 284 
6 Modiolopsis? undulostriata. 284 
7 — subalatus?.. 285 
8 Ortbonota carta?... 285 
Plate 60. 
1 Platyostoma niagarensis ... 287 
2 — hemispherica .... 288 
3 Acroculia niagarensis.288 
4 — angulata ... 289 
Plate 61. 
1 Gomphoceras? -—• ...... 290 
2 Cyrtoceras? cancellatum .. 290 
3 Orthoceras-- .......... 291 
4 — imbrication.291 
Plate 62. 
1, 2, 3 Orthoceras imbricatum? 291 
Plate 63. 
1, 4 Orthoceras cancellatum .,. 292 
2,3 —■ virgatum?........ 291 
5 __ _—... 292 
Plate 64. 
1 Orthoceras undulatum .... 293 
Plate 65. 
1 Conularia niagarensis.294 
2 —- ' longa.. 295 
3 Orthoceras undulatum .... 293 
4 — cancellatum...... 292 
Fig. Pag. 
Plats A 66. 
2 Acidaspis ——- ........... 290 
3 Phacops trisulcatus ....... 300 
4 Ceraurus insignis ......... 300 
5 Calymene clintoni ........ 298 
6 — blumenbachii, var. 
senaria, 299 
7 Homalonotus delpliinocepha- 
lus, 299 
8 Phacops limulurus ........ 299 
9 Bumastis barriensis ....... 299 
10 Beyrichia 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 Proetus? stokesii...... 316 
15 —- corycceus .... 315 
16 Beyrichia symmetrica ... 317 
17 - 21 Cytherina spinosa...... 317 
Plate 68 . 
I Homalonotus delphinocephalus,809 
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 Leptsena --............ 326 
4,5 — bipartita......... 326 
6 Strophodonta textilis...... 327 
7,8 Spirifer- ............ 327 
9 — crispus .......... 328 
10 Atrypa nucleolata ........ 328 
II — lamellata ........ 329 
12 — —_ ............ 330 
Plate A 66. 
1 Cybele punctata .. 297 1 
Plate 75. 
Tellinomya? equilatera.... 330 
2 Avicula? —— ........... 331 
3 — subrecta......... 331 
4, 5 — securiformis...... 331 
6 — limaeformis ...... 832 
Plate 76. 
1 Platyostoma -—- ........ 333 
2 Pleurotomaria subdepressa. 333 
8 Murchisonia? obtusa ...... 333 
4 —- ? terebralis ........ 334 
5, 6 Bucania -—— ............ 334 
7 Bellerophon auriculatus ... 334 
Plate 77. 
1 Trocboceras 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. 
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 1 Murchisonia bivittata ..... 345 
2 — longispira........ 345 
3 — boydii ........... 346 
4 — loganii .......... 346 
5 — macrospira ...... 346 
6 — turritiformis ..... 347 
7 Subulites ventricosa ...... 847 
8 Calymene -—— ........... 850 
Plate 84. 
1 Cyclonema sulcata ........ 347 
2 Pleurotomaria bispiralis ... 348 
3 _? .—•- ............ 348 
4 — golarioides ....... 348 
5 — perlata .......... 349 
6 Bucania angustata ........ 349 
7 Cyrtoceras arcticameratum, 349 
Plate 85. 
1-4 Stephanocrinns angulatus, 351 
5, 6 Calceocrinus ——- ........ 352 
7 Eucalyptocrinus -—- ..... 352 
8 -10 Palseaster niagarensis .,. 352 
II, 12 Tentaculites niagarensis . 352 
13 - 19 Cornulites — ....... 353 
