INDEX 
. Page 
Acorn, fossil, . . . . . . . . . . 439 
jEtites, formation of, 318 
Agricola, treats of secondary fossils, .. .. 19 
Albert le Grand, mentions a petrified branch of 
a tree, with a bird’s nest and birds, . . . . 18 
Alder, petrified, 393 
Alexander ab Alexandra, speaks of secondary 
fossils, .. ■■ •• •• .. 17 
Amber, analysis of, 154 
containing extraneous bodies,.. .. 151 
described, .. .. .. .. 150 
known to the ancients, .. ..150 
produced by the bituminous fermen- 
tation, . . • ■ • • • • • ■ • • 223 
Analysis of bituminous spar, 378 
- — calcareous wood, . . . . . . 377 
- jasperized wood, . . . . . . 335 
opaline wood, . . . . . . 348 
Ash, petrified, . . . . . . . . . . 393 
Asphaltum, . . • • • • • ■ • . 128 
analysis of, . . . . 148 
mine of, in the Isle of Bua, . . 142 
produced by the bituminous fer- 
mentation, .. •• •• .. .. 219 
Beech tree, petrified, 393 
Beringer, (Dr.) duped by factitious representation 
of petrifactions, 26 
Bitumens, described, 129 
frequently found in Derbyshire, .. 146 
mentioned by the most ancient writers, 130 
treated of hy more modern authors, 138 
the result of a peculiar fermentation, 207 
Box tree, petrified, . . • • • • • ■ 393 
Bread, petrified, . . . . • - • • • • 462 
Bucket, petrified, . . ■ • • • • • 397 
Cannel coal, described, . . . . . . . . 157 
its difference from jet explained, 232 
Caoutchouc, mineral, or elastic bitumen, . . 129 
— _____ found in Derbyshire, . 146 
varieties of, . . . . . . 147 
Casts described, . . . . . . . . . . 37 
Caverns, stalactitic, described, 372 
Charcoal, mineral, described, 
found in various parts, 
formation explained, . . 
opinions respecting, . . 
Charmouth cliffs, slow combustion of, 
Chemnitz, starry stones of, 
Cherry-stone, fossil. 
Coal, accompanied by pyrites, . . 
analysis of, 
cause of particularities, . . 
described, . . 
how produced by the deluge, 
long known in China, 
not often mentioned by Greek writers, or 
early Romans, 
opinions respecting the formation of, . . 
opinion respecting, proposed, 
peculiar arrangement of the particles of, 
strata belonging to, 
varieties of, 
Kilkenny, . . 
pits, combustion of, 
general observations respecting, 
particularities of, 
explained, . . 
Cocos, petrifactions resembling nuts of that 
genus, . . 
Coffee-berries, fossil, 
Confelto di Tivoli, 
Corn, ears of, fossil. 
Cup of the oak. 
Page 
275 
280 
286 
273 
278 
401 
439 
177 
178 
263 
159 
269 
165 
162 
233 
247 
264 
168 
160 
273 
170 
171 
173 
261 
448 
439 
363 
441 
448 
Date stone. 
Deluge, effects of, conjectured, . . 
universality of the, asserted, 
opposed. 
Dice, fossil. 
.. 448 
.. 251 
.. 251 
.. 250 
.. 400 
Eagle stone. See jEtites. 
Earths described, . ■ • • • ■ 43 e# seq. 
Enhydros, formation of, . . . . . . 318 
Eratosthenes notices secondary fossils, .. 15 
Fermentation, bituminous, 179 
