Fie. 
1 
a 
AO OP 
On kw WwW we 
ST OE ed 
PuaTeE 57. 
Endoceras proteiforme .. 
Puate 58. 
Endoceras distans 
Ormoceras tenuifilum ... 
PuaTe 59. 
Endoceras proteiforme, 
var. tenuitextum.... 
var. tenuistriatum.. . 
var. lineolatum ..... 
Conularia trentonensis... 
granulata 
papillata....... 
SEXO Sooopac 
PLATE 60. 
Ogygia? vetusta ........ 5 
Asaphus? extans .... . % 
Calymene multicosta .... 22 
Illenus crassicauda...... 
trentonensis.... 
Isotelus gigas 
Puate 61. 
Asaphus? nodostriatus... 
Ceraurus? pustulosus.... 
Isotelus gigas .......... § 
PLATE 62. 
Isotelus gigas 
eeeesecere 
PLATE 63. 
Tsotelus gigas ......... 
PLATE 64. 
Platynotus trentonensis.. 
Calymene beckii........ 
senaria ........ 
Acidaspis trentonensis .. 
spiniger 
Phacops? laticaudus .... 
PLATE 65. 
latidorsata...... $ 
220, 
222 
wo 
IN NN WD 
COR CO WS OR ce el ed 
em GC CO W ~1 ~T A~I 
vw 
Ceraurus pleurexanthemus, 242 
—  vigilans,....... 
Phacops callicephalus ... 
Trinucleus concentricus . 
PuLaTeE 66. 
245 
247 
249 
Ceraurus pleurexanthemus, 243 
Calymene beckil...,.... 
(sp. indet.) .... 
Asaphus? latimarginatus. 
Isotelus gigas .......... 
| PatzonToLoey.] 
200 
203 
2538 
254 
LIST OF PLATES. 
PLATE 67, 
Trinucleus concentricus . 
Olenus asaphoides....... 
undulostriatus .. 
Calymene beckii........ 
Agnostus lobatus........ 
Thaleops (Illznus) ovatus, 
PuaTe 68. 
1 Sphenothallus angustifolius, 
2 
3 
1 
1 
1 
2 
latifolius......- 
Buthotrephis subnodosa. . 
PLATE 69. 
Buthotrephis? flexuosa .. 
PLATE 69 A. 
Buthotrephis flexuosa ... 
PLATE 70. 
Paleophycus virgatus.... 
(sp. indet.) .... 
PuatTe 71. 
ee 2s' Gordiasmarinalj.eieicieiaro 
1 
2 
1 
2 
3 
4 
PLATE 72. 
Graptolithus pristis ..... 
secalinus 
PLATE 73. 
Graptolithus mucronatus. 
bicorniss...... 
ramosus ....... 
SCalarisSisirsis = «+ 
PLATE 74. 
Graptolithus sagittarius .. 
HENWISine fessrercisie ¢ 
Sextans .ee'... 
furcatus 3........ 
PTACILIS) .\076 0% care 
—  arundinaceus. 
PLATE 75. 
Favistella stellata ..... . 
Chetetes lycoperdon 
Discophyllum peltatum.. 
(Indeterminate). ....+.- 
PLATE 76. 
serratulus...... { 
JENA Eo OA ORINDORE. 
264 
265 
267 
268 
268 
270 
271 
1 Heterocrinus heterodactylus, 279 
2 
3 
simplex.....e0s 
BTACIUS sre actere- 
43 
ae) 
280 
280 
Fic, 
nk wwe 
_ 
lone oko oan Maer} 
— 
or 
woe 
337 
PLATE 77. 
Page. 
Glyptocrinus decadactylus, 281 
PLATE 78. 
Glyptocrinus decadactylus, 281 
Tentaculites flexuosa.... 284 
PLATE 79. 
Lingula quadrata........ 285 
Leptena alternata ... .. 286 
— Sericeal fees cnee 287 
Orthis testudinaria ...... 288 
<= “erraticaic...scee 258 
— centrilineata.... 289 
Atrypa increbescens .... 259 
Orbicula? subtruncata .. 290 
mot ORCEE yoBooene & 200 
_— CHAT crrciis:e sees 200) 
PLaTe 80. 
Avicula insueta......... 291 
— demissa........ 202 
—? desquamata .... 292 
Ambonychia radiata 22 
— Carinata, 6.2.25. 294 
PLATE 81. 
Modiolopsis modiclaris .. 294 
_ MASUCUSH. eiciate-« ee 296 
CULO ec reieisieieiersie 
(sp. indet.) .... 
PLATE 82. 
Modiolopsis modiolaris .. 
CMU CA Y revis eteleielovs 
anodontoides ... 
fabavere sissevs.cretclers 
nuculiformis ... 
Orthonota pholadis ...... 
parallela 
—? 
_ contracta..... . 
Cleidophorus planulatus . 
Nucula? poststriata ..... 
Lyrodesma plana........ 
pulchella ...... 
PLATE 83. 
Murchisonia gracilis .... 
uniangulata, 
var. abbreviata 
Pleurotomaria subconica . 
—— [2] DILKaee eters elereieiete 
(sp. ndet.) .... 
Metoptoma? rugosa .... 
> 
truncatus ...... 206 
294. 
297 
298 
298 
298 
209 
299 
300 
3U0 
301 
302 
302 
303 
304 
304 
305 
305 
306 
