\DEX-. 



115 



lion of the vertebrae in ichthyosaurus, 

 i. 179 ; his remarks on the paddles of 

 ichthyosaurus,!. 184 ; his restoration 

 of plesiosaurus, i. 204 ; his inferences 

 concerning plesiosaurus, i. 211, 214 ; 

 his observations on faults, 542. 



Coniferae, date of their commencement, 

 i. 488 ; microscopic stmcture of, i. 

 484; peculiarities in structure of, i. 

 486; geological extent of, i. 485, 

 489 ; fossil referrible 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. 6"5. 



Coprolites, description of, i. 188; ex- 

 tensive occurrence of, i. 189 ; found 

 in skeletons of ichthyosauri, i. 190 ; 

 marks of mucous membrane on, i. 

 194; formation explained, T!of(?, 194; 

 indicate the food of ichthyosauri, and 

 character of their intestinal canal, 

 i. 197 ; derived from fishes in vari- 

 ous formations, i. 198; polished for 

 ornamental purposes, i. 199 ; con- 

 clusions from discovery of, i. 202 ; 

 in coal formation near Edinburgh, i. 

 275 ; preserved in body of macropo- 

 ma, i. 284. 



Coral, secreted by polypes, 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. 



Corn-cockle 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 arborescent 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 ; 

 prior to first day of Mosaic cosmo- 

 gony, i. 24, 597 ; of material elements, 

 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 eenera, 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 ; 

 functions of fossil species, i. 251 ; Cu- 

 vier's observations on, i. 252 ; 

 number of living and fossil species 

 of, i. 252 ; dentition, provisions in 

 mode of, i. 254 ; fossil forms of, at 

 variance with all theories of gradual 

 transmutation or developement, i. 

 254. 



Crosse, Mr., artificial crystals made by, 

 i. 599. 



Crustaceans, extent of fossil remains 

 of, i. 387. 



Crystalline rocks, influenced by che- 

 mical and electro-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 ; artificial, 

 obtained in the humid way, i. 599. 



Ctenoidean order of fishes, i. 270. 



Curculionidae 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; his account of discoveries at 

 Mont Martre, i. 83 ; consigns his 

 materials for a work on fossil fishes to 

 M. Agassiz, 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 stmcture of 

 animals, i. 140. 



Cycadeae, abundant in strata of the 



