INDEX 
. Page 
Agricola 256 
Alcyonites, considered as fruits, by Volk- 
mann, Scheuchzer, and others 79 
of France, described by Guet- 
80. 
of Switzerland §2 
of Wiltshire 
tard 
96 
104 
113 
compared with sea-figs 83 
- madrepore 84 
ramified • • • 
remora like • 
sates 
91 
114 
114 
114 
spines, discovered in 94 
difficult to distinguish from spon- 
from Switzerland . • 
from Maestricht • • ■ ■ 
investing shells 
130, 
89 
106 
110 
132 
123 
in pebbles 
in flint 
bottle-formed 
funnel-formed 123 
not conveyed by torrents 281 
Alcyonium, recent, described 35 
Cydonium 93 
, spines of 94 
Animal coal in marble gy 
membrane in marble 16,65 
in madrepore* 
70 
in tubipore ig 
Arachneolithi ■ 
■ in trochites • 
in spongites 
Aristotle knew of the vitality of sponges 
Arms of encrinites 
166 
104 
45 
86 
178 
of pentacrinites 252 
Arrangement of petrifactions, by Linnaeus • . 4 
■ by Wallerius. , 4 
adopted in this 
work 
Page 
Articuli trapezoides oi lily ^ncnniiQ% .... 177 
^sterim 155,241 
noticed by Agricola 243 
described by Rosinus 244 
Astroites 45 
Astropodium 154 
Baier 42 
Base, pentagonal 155 
of lily encrinite 177 
Bath, fossils of ^ 4 ^ J 44 
Beaumont, Mr. his remarks on rock plants . 157 
Berkshire, fossil alcyonium of gi 
Bertrand cc 
Black marble, colour owing to animal coal . . 67 
Blankenburg, marble of 33 
Bones, number of, in lily encrinite 181 
Bottle encrinite 231 
like alcyonium 123 
^""•■guet go^ 244 
Brain-stone 37 
Briaraean pentacrinite 248 
— vertebral column of ... • 249 
vertebral processes .... 249 
— pelvis of 251 
arms of 252 
■ specimen of, in Mr. 
Harford’s collection, described 253 
Bristol, encrinital remains of 51 
Britain, numerous encrinites of 277 
Bromel 34 , 40, 48 
Bruckman’s description of spider-stone .... 45 
Buttner 7 , 34 , 157 
Cap encrinite 191 
Cellipora 71 
Chain coral on 
its curious forms noticed 20 
Cheshire, fossil coral of 45 
