
 
        
         
		287  ;  extent  of,  i. 287 ;  only  living  
 representative of,  i. 287. 
 Cestracion Philippi, i. 288 ;  bony spine  
 of,  i.  290. 
 Cetacea, remains of, in pliocene strata,  
 i. 92. 
 Chalmers, Dr.,  his views respecting the  
 Mosaic cosmogony, i. 19 ; considerations  
 of  the  geological  argument in  
 behalf of a Deity, i.  595. 
 Chaos, word borrowed from the Greeks,  
 its meaning vague and indefinite, i. 25. 
 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. 
 Chantrey,  Sir  Francis,  drawing  made  
 by, with fossil sepia, i.  305. 
 Cheropotamus, character and place of,  
 i.  82. 
 Chimera,  fossil  species  discovered  by  
 the Author, ii.  47. 
 Chirotherium, footsteps of in Saxony, i.  
 263;  described  by  Dr.  Hohnbaum  
 and  Prof.  Kaup,  i.  264;  probably  
 allied  to  marsupialia,  i.  265  ;  accompanied  
 by other tracks, i. 264. 
 Chlamyphorus,  habit  and  distribution  
 of,  i.  144 ;  forefoot adapted for digging, 
   i.  154 ;  armour of, like that of  
 the Megatherium, i.  159,  160,  162. 
 Cicero,  his  argument against  the Epicurean  
 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 formation  
 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;  its  
 origin and importance to man,  i. 66. 
 Coal,  proofs  of its  vegetable  origin,  i  
 454, 458 ; 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;  physical  
 forces  employed  to  render  it  accessible  
 to man, i. 525, 528 ;  advantage  
 of  its  disposition  in  basins,  i.  526,  
 527;  thickness  of  beds  of,  i.  529;  
 remarkable accumulation of, l. 529 ;  
 associated with iron ore, i. 529, 530 ;  
 adaptation to purposes of human industry, 
  i.  531;  inestimable  importance  
 of,  i.  534 ;  mechanical power  
 derived  from,  i.  531—535;  improvident  
 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  discovered  
 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. 
 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 benefit  
 of man, i.  100 ;  selections from  
 his plates of ichthyosauri, i. 176;  his  
 observations on the lower jaw of ichthyosaurus, 
  i. 177 ;  on the articulation  
 of the vertebras in ichthyosaurus,  
 i. 179 ;  his remarks on the paddles of  
 ichthyosaurus, i. 184;  his restoration  
 of plesiosaurus, i. 204 ; his inferences  
 concerning plesiosaurus, i. 211,  214 ;  
 his observations on faults,  542. 
 Conifer®,  date of their commencement,  
 i.  488;  microscopic  structure  of,  i.  
 484 ;  peculiarities in structure of,  i.  
 486 ;  geological  extent  of,  i.  485,  
 489 ;  fossil referrible to  existing genera, 
   i.  488;  fossil  stems  in  erect  
 position,  i.  489;  wood of, perforated  
 by teredines, i. 480. 
 Consolidation of strata, partly by aqueous, 
   partly by  igneous action,  i.  65. 
 Coprolites,  description  of,  i.  188  ;  extensive  
 occurrence of, i,  189 ;  found  
 in skeletons  of  ichthyosauri,  i.  190 ;  
 marks  of  mucous  membrane  on,  i.  
 194;  formation explained, note, 194; 
 indicate the food ofich’thyoosauri,and  
 character  of  their  intestinal  canal, 
 i.  197 ;  derived  from  fishes  in various  
 formations, i.  198 ;  polished  for  
 ornamental  purposes,  i.  199 ;  conclusions  
 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 employed  
 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 interpretation  
 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 ;  
 origin of material elements by,i. 35. 
 Creator,  necessity  of,  shewn  by  geology, 
  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 ;  anatomical  
 structure  of,  i.  420 ;  reproductive  
 powers of,  i. 421 ;  early extinction  
 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 ;  
 functions of fossil species, i. 251 ; Cuvier’s  
 observations  on,  i.  252 ;  
 number  of living  and  fossil  species  
 of,  i.  252 ;  dentition,  provisions  in  
 mode of,  i.  254 ;  fossil formsof,  at  
 variance with  all theories of gradual  
 transmutation  or  developement,  i.  
 254. 
 Crustaceans,  extent of  fossil  remains,  
 of, i.  387. 
 Crystalline  rocks,  influenced  by  chemical  
 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 afforded  
 by,  i. 574. 
 Crystals,  definite  forms  and  composition  
 of,  i.  575—577 ;  component  
 molecules of, i. 574,  577. 
 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 conjecture  
 concerning plesiosaurus, i. 208;  
 had observed nearly 8 ,0 0 0 species of  
 living  fishes,  i.  265;  perfection  of  
 his  reasoning  on  contrivances  and  
 compensations  in  the  structure  of  
 animals,  i. 140. 
 Cycadeae,  abundant  in  strata  of  the  
 secondary series,  i.  490,  491;  number  
 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 structure of,i. 492 ; intermediate  
 character of, i. 493 ; fossil  
 on the coast of. Dorset, i. 494;  peculiarities  
 in  structure  of  trunk  of,  i.  
 494,496 ;  mode of increase by buds,  
 i. 499;  link  supplied  by  the  discovery  
 of, i.  502. 
 Cycadites,  once natives of England,  i.  
 4 9 5 ;  microphyllus,  microscopic  
 structure of, 497—501; megalophyl-  
 lus, buds in axillae of scales, i. 500;  
 resemblance of fossil and living species, 
  i. 501. 
 Cycas  revoluta,  buds  on  trunk  of,  i.  
 499 ;  circinalis, height of, i.  494. 
 Cycloidean  order of fishes, i. 270. 
 Cypris,  microseopic shells of, in Weal-  
 den  formation,  i.  118 ;  in  coal  formation  
 near Edinburgh, i. 275. 
 Dapedium, scales of,  i. 282.