plate 1 Fossil Trails, Page 2
plate 2 Fossil Trails, Page 18
plate 3 Trails on Potsdam, Page 20
Perce Rock, Page 134
Seaward face, Page 136
Perce and rock, Page 136
Map of region, Page 138
View looking east, Page 140
Vertical strata, Page 141
Geological map, Page 142
Ragged sky line, Page 148
On the slope, Page 148
Le Coule, Page 150
Cap Barre, Page 152
Dicranurus, Page 153
East face, Page 155
Murailles, Page 156
Vertical strata, Page 158
Limekiln, Page 159
Section along, Page 160
Looking south, Page 164
Restoration of the syncline, Page 166
Bonaventure, Page 167
Limestone, Page 169
Geologic map of Trilobite Mountain , Page 174
Oriskany-Esopus, Page 190
View from the Esopus, Page 192
Upper Siluric and Lower Devonic Faunas of Trilobite Mountain. H.W. Shimer, Page 202
Coelospira, Page 253
Nuculites, Page 261
plate 1 Chazy fossils, Page 361
plate 2 Chazy fossils, Page 363
plate 3 Chazy fossils, Page 365
plate 4 Chazy fossils, Page 367
plate 5 Chazy fossils, Page 369
plate 6 Cephalopods, Page 371
plate 7 Cephalopods, Page 373
plate 8 Cephalopods, Page 375
plate 9 Cephalopods, Page 377
plate 10 Cephalopods, Page 379
plate 11 Cephalopods, Page 381
plate 12 Cephalopods, Page 383
plate 13 Cephalopods, Page 384
Salamanca Quadrangle, Page 404