114 



INDEX. 



Causes, five, cliiefly instrumental in 

 producing the actual condition of 

 the globe, i. 97. 



Cautley, Captain, fossil animals disco- 



, vered in India by, i. 600. 



Caves, remains of animals found in, i. 

 94. 



Cephalopods, carnivorous, their use in 

 submarine economy, i. 300 ; their 

 extent in different formations, i. 300. 



Central heat, theory of, consistent with 

 the phenomena of the surface of the 

 globe, i. 40. 



Centrina vulgaris, hornv dorsal spines, 

 i. 290. 



Cestracionts, sub-family of sharks, i. 

 287 ; extent of, i. 287 ; only living 

 representative of, i. 287. 



Cestracion Phillipi, i. 288 ; bony spine 

 of, i. 290. 



Cetacea, remains of, in pliocene strata, 

 i. 92. 



Chalk-flints, remains of infusoria disco- 

 vered in, i. 612. 



Chalmers, Dr., his views respecting the 

 Mosaic cosmogony, i. 19; considera- 

 tions of the geological argument in 

 behalf of a Deity, i. 595. 



Chambered shells, proofs of design in, 

 i. 310 ; why particularly selected, i. 

 311 ; delicate hydraulic instruments, 

 i. 311; examples of retrocession in 

 animal structure, i. 312; genera of, 

 allied to nautilus and ammonite, i. 

 361—370. 



Chameleon, cause of change in colour 

 of its skin, i. 604. 



Chantrey, Sir Francis, dravnng made 

 by, with fossil sepia, i. 305. 



Chaos, word borrowed from the Greeks, 

 its meaning vague and indefinite,i. 25. 



Cheropotamus, character and place of, 

 i. 82. 



Chimera, fossil species discovered by 

 the author, 2, 47. 



Chirotherium, footsteps of in Saxony, i. 

 263; described by Dr. Hohnbaum 

 and Prof. Kaup, i. 264 ; probably 

 allied to marsupialia, i. 265 ; ac- 

 companied by other tracks, i. 264. 



Chlamyphorus, habit and distribution 

 of, i. 144 ; fore-foot 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 with 

 indusiae, 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 Northern 

 Ocean, i. 384. 



Closeburn, gigantic Orthoceratite found 

 at, i. 365. 



Coal formation, Forster's section of, i. 

 64 ; iron ore and lime in, i. 65. 



Coal, when, where, and how formed, i. 

 64, 67 ; its economical value to man- 

 kind, i. 66 ; proofs of its vegetable 

 origin, i. 454, 453 ; complex history 

 of, i. 481 ; stages in the production 

 and application of, i. 483 ; tertiary 

 brown coal or lignite, i. 508, et seq. ; 

 proofs of design in the dispositions of, 

 i. 524 ; grand supply from strata of 

 the carboniferous order, i. 524; physi- 

 cal forces employed to render it acces- 

 sible to man, i. 525, 528 ; advantage 

 of its disposition in basins, i. 526, 

 527 ; thickness of beds of, i. 529 

 remarkable accumulation 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 ; mechanical power 

 derived from, i. 531 — 535 ; im- 

 provident and gratuitous destruction 

 of near Newcastle, i. 536 ; early 

 adaptation of to the uses of man, i. 

 537. 



Collini, pterodactyle figured by, i. 223. 



Cololites, fossil intestines of fishes dis- 

 covered by Prof. Agassiz, i. 200 ; 

 found by Lord Greenock in coal, 

 near Edinburgh, i. 199. 



Comatula, habits of, and resemblance 

 to pentacrinite, i. 418, 433. 



Combe, definition of the term, ii. 106. 



Conchifers, inferior to mollusks that 

 construct turbinated shells, i. 296 ; 

 organs of sight possessed by, i. 605. 



Conchology, important to geology, i. 

 110. 



Connecticut, fossil footsteps of birds in, 

 ii. 39. 



Conybeare, Rev. W. D., his sections 

 across England, i. 4; his report on 

 geology to British Association, i. 51 ; 

 his memoir and map of Europe, i. 77 ; 

 on prospective provisions for the be- 

 nefit of man, i. 100 ; selections from 

 his plates of ichthyosauri, i. 176 ; his 

 observations on the lower jaw of ich- 

 thyosaurus, i. 177; on the articula- 



