114 
muT.x. 
287 ; extent of, i. 287 ; only living 
representative of, i. 287. 
Cestracion riiilippi, i. 288 ; bony spine 
of, i. 290. 
Cetacea, remains of, in piiocene strata, 
i. 92. 
Chalmers, Dr., Iiisview.s respeetingthe 
Mosaic cosmogony, i. 19 ; consiilera- 
lions of the geological argument in 
behalf of a Deity, i. 595. 
Chaos, word borrowed from the Greeks, 
its meaning vague andindefinite,i, 25. 
Chambered shells, proofs of design in, 
i. 310 ; why particularly selected, i. 
311; delicate hydraulic instruinenU, 
i. 311 ; e.\amploB of retrocession in 
animal structure, i. 312 ; genera of, 
allied to nautilus aud ammonite, i. 
361—370. 
Chantrey, Sir Francis, drawing made 
by, with fossil sepia, i. 305. 
Cheiopotamus, character and place of, 
i. 82. 
Chimera, fossil species discovered by 
the Author, ii. 47. 
Chirotherium, footsteps of in Saxony,!. 
263 ; described by Dr. llohnbaurn 
and Prof. Katip, i. 264; probably 
allied to marsupialia, i. 265 ; ac- 
companied by other tracki?, i. 264. 
Chlamyphorus, habit and distribution 
of, i. 144 ; forefoot adapted for dig- 
ging, i. 154 ; armour of, like that of 
the Megatherium, i. 159, 160, 162. 
Cicero, his argument against the Epi- 
curean theory of atoms, i. 578. 
Cinnamomum, in brown coal near Bonn, 
i. 509. 
Cleremont, limestone of, loaded witli 
indusias, i. 119. 
Cleveland, imperfect coal in oolite for- 
mation of, i. 75, 491. 
Climate, heat of, indicated by fossil 
plants and animals, i. 88 ; gradually 
decreasing temperature of, i. 93. 
Clio borealis, swarms of in Mortliern 
Ocean, i. 384. 
Closeburn, gigantic Orthoccralite found 
at, i. 36.5. 
Coal formation, Forster’s section of, i. 
64 ; iron ore and lime in, i. 65 ; its 
origin and importance toman, i. 66. 
Coal, proofs of its vegetable origin, i 
454, 458 ; complex history of, i. 481 ; 
stages in the produetion and applica- 
tion of, i, 483 ; tertiary brown coal 
or lignite, i. 508, ct scr| ; pronfs of 
design in tlie disposilions of, i. 524 ; 
grand supply from strata of the car- 
boniferous order, i. 524; physical 
forces employed to render it acces- 
sible to man . i. 525, 528 ; advantage 
of its disposition in basins, i. 526, 
527 ; thiekne-ss of beik of, i. 529 ; 
remarkable aecumnlation of, i. 529 ; 
associated with iron ore, i- 529, 530 ; 
adaptation to purposes of human in- 
dustry, i. 531; inestimable import- 
ance of, i. 534 ; meclianical power 
derived from, i. 531 — 53.5; im- 
provident and gialuitous destruction 
of near Newcastle, i. 536 ; early 
adaptation of to iho uses of man, i. 
5-37. 
Collini, plerodaclyle figured by, i. 223. 
Cololites, fossil intestines of fishes dis- 
covered bv Prof. Agassiz, i. 200 ; 
found by Lord Greenock in coat, 
near Edinburgh, i. 199. 
Comatula, habits of, aud resemblance 
to pentacrinite, i, 418, 433. 
Combe, definition of the term, ii. 106. 
Concliifcrs, inferior to mollusks that 
construct turbinated shells, i. 296. 
Conchology, important to geology, i. 
no. 
Connecticut, fossil footsteps of birds in. 
ii. 39. 
Conybearo, Kev. W. D., ids sections 
across England, i. 4 ; bis report on 
geology to British Association, i. 51 ; 
his memoir andmap of Europe, i. 77 ; 
on prosiieetive provisions for tlie be- 
nefit of man, i. 100 ; selections froni 
ids plates of ichthyosauri, i. 176 ; Ids 
observations on the lower jaw of ich- 
thyosaurus, i. 177 ; on llie articula- 
tion of tlie vertebrsE in ichthyosaurus, 
i. 1 79 ; ids remarks on the paddles of 
tehlhyosaurus, i. 184; his restoration 
of pleslosounis, i. 204 ; his inferences 
concerning plesiosaurus, i. 21 1, 214 ; 
his observations on faults, 542. 
Coniferm, date of tlieircommencement, 
i. 488 ; microscopic structure of, i. 
484; peculiarities in structure of, i. 
486 ; geological extent of, i. 485, 
489 ; tossil rcferriblc to existing ge- 
nera, i. 488 ; fossil stems in erect 
position, i. 489; wood of, perforated 
by teredines, i. 480, 
Consolidation of strata, partly by aque- 
ous, partly by igneous action, i. 65. 
Coprolitcs, description of, i. 188 ; ex- 
tensive occurrence of, i. 189 ; found 
in skeletons of iclilhyosaiiri, i. 190; 
marks of mucous membrane on, i, 
194 ; foririalion explained, note, 194 ; 
