INDEX. 
115 
indicate Itie food ofichthyoosnuri.and 
character of their intestinal canal, 
i. 197 ; derived from fishes in vari- 
ous formations, i. 198 ; jxjlished for 
ornameutal purposes, i. 199 ; con- 
clusions from discovery of, i. 202 ; 
in coal formation near Edinburgh, i. 
275 ; preserved in body of niacropo- 
ma, i. 284. 
Coral, secreted by polyjies, i. 442 ; 
reefs, i. 444 ; their influence in the 
formation of strata, i. 445 ; fossil, 
inference from their state, i. 116; 
rag, extent of, in counties of Oxon, 
Bucks, Wilts, and Yorkshire, i. 445. 
Com-coekle muir, tracks of tortoises 
at, i. 259. 
Cornwall, amount of steam power em- 
ployed in, i. 534; invasions of by 
drifted sand, i. 127; disposition of 
metallic veins in, i. 550. 
Corydalis, wing of, found in iron 
stone, of the coal formation, i. 410 ; 
ii. 77. 
Cosmogony, Mosaic, the author’s inter- 
pretation of, i. 20. 
Cotta on fossil aiborescent ferns, i. 
465. 
Crag, in Norfolk, geological place of, 
i. 179. 
Craters, various phenomena of, ii. 8. 
Creation, Mosaic account of, accords 
with natural phenomena, i. 13 ; 
origin of material elements by, i. 35. 
Creator, necessity of, shewn by geo- 
logy, i. 59. 
Crinoideans, geological importance of, 
i. 416, 430; nature and character 
of, i. 417 ; most remarkable genera 
of, i. 417 ; living species rare, i. 
418 ; abundance and importance of 
fossil species, i. 419,430; anatomi- 
cal structure of, i, 420; reproduc- 
tive powers of, i. 421 ; early extinc- 
tion of many species and genera, i. 
430. 
Crocodileans, fossil forms of, i. 249 ; 
slender character of snout, i. 250 ; 
habit probably piscivorous, i. 250. 
Crocodiles, modern, habits of, i. 250; 
gavial, gangetic, piscivorous, i. 250 ; 
functionsof fossilspecies,!. 251 ; Cu- 
vier’s oltservations on, i. 252; 
number of living and fossil species 
of, i. 252; dentition, provisions in 
mode of, i. 254 ; fossil formsof, at 
variance willi all theories of gradual 
transmutation or developement, i. 
254. 
Crustaceans, extent of fossil remains, 
of, i. 387. 
Crystalline rocks, influenced by che- 
mical and clectro-magnetic forces, i. 
36 ; eight distinct varieties of, i. 37 ; 
their position beneath stratified rocks, 
i. 42 ; probable igneous origin of, i. 
39; gradations in character of, i. 
41 ; proofs of intention in pheno- 
mena of, i. 45 ; proofs of design af- 
forded by, i. 574. 
Crystals, definite forms and compo- 
sition of, i. 575 — 577; component 
molecules of, i. 574, 577. 
Ctenoidcan order of fishes, i. 270. 
CurcuUoiiidaj in iron stone of Coal- 
brook Dale, i. 409. 
Cuttle fish, structure and habits of, i. 
303 ; internal ink bag of, i. 303. 
Cuvier, his conclusion that organic life 
has not existed from eternity, i. 59 ; 
his account of the basin of Paris, i . 
76; bis account of discoveries at 
Mont Martre, i. 83 ; consigns his 
materials for a work on fossil fishes to 
M. Agassia, i. 200, 267 ; his conjec- 
ture concerning plesiosaurus, i. 208 ; 
had observed nearly 8,000 species of 
living fishes, i. 265; perfection of 
his reasoning on contrivances and 
compensations in the structure of 
animals, i. 140. 
Cycadese, abundant in strata of the 
secondary series, i. 490, 491 ; num- 
ber and extent of recent and fossil 
species, i. 491 ; leaves fossil in oolite 
of Yorkshire and at Stonesfield, i. 
492 ; in coal formation of Bohemia, i. 
492 ; habit and stnictu re of, i. 492 ; in- 
termediate character of, i. 493 ; fossil 
on the coast of Dorset, i. 494 ; pecu- 
liarities in structure of trunk of, i. 
494, 496 ; mode of increase by buds, 
i. 499 ; link supplied by the disco- 
very of, i. 502, 
Cycadites, once natives of England, i. 
495 ; micropbylliis, microscopic 
structure of, 497—501 ; megalophyl- 
lus, buds in axill® of scales, i. 500 ; 
resemblance of fossil and living spe- 
:ies, i. 501. . 
cas revoluta, buds on trunk of, i. 
199 ; circinalis, height of, i. 494. 
ctoidean order of fishes, i. 270. 
pris, microscopic shells of, in Weal- 
fen formalion, i. 118 ; in coal for- 
Dapedium, scales of, i. 282. 
