118 



INDEX. 



dry lands formed by, i. 43 ; proofs 

 of in I. Portland, i. 371, 372. 

 Elevations, number observed by 

 Elie de Beaumont, ii. 6 ; various 

 periods of, ii. 6. 



Ellis Mr., bis conclusions from the 

 study of corallines, i. 338. 



Emvs, fossil, localities of, i. 197. 



Enc'rinites moniliformis, lily encri- 

 nite, i, 317, 318; mechanical adap- 

 tations in, i. 317; number of com- 

 ponent ossicula, i. 318; vertebral 

 column, mechanical contrivances 

 in, i. 318 — 320; body and upper 

 extremities, i. 322; physiological 

 history ef, i. 324, 325. 



Endogenites echinatus, fossil trunk 

 allied to palms, i. 386, 387. 



Engi in Glaris, fishes of, i. 216. 



England, effects of geological struc- 



W ture on inhabitants of, ii. 3. 



Enjoyment, aggregate of increased 

 by existence of carnivora, i. 105, 

 106. 



Enstone, cetacea in oolite at, i. 96- 



Entomolithus paradoxus, i. 295. 



Entomostracans, fossil, i. 295. 



Entrochi, or wheel stones, colum- 

 nar joints of encrinite, i. 320. 



Eocene, division of tertiary strata, 

 i. 68. 



Equisetacex, extent of the family 

 of, i. 346 ; fossil genera of, i. 

 346; increased enlargement in 

 size of, i. 347; fossil species in 

 coal formation, i. 347. 



Equivocal generation, disproved in 

 case of infusoria, i. 336, 337. 



Ernouf, General, his account of hu- 

 man skeletons at Guadaloupe, i. 



87. 



Estuaries, admixture of fresh water 

 and marine exuviae in, i. 99. 



Eternal succession, theory of, dis- 

 proved by geology, i. 51, 54. 



Eternity of the world, disproved by 

 geology, i. 20. 



Eye*, fossil, resembling those of 

 existing animals, i. 34; fossil re- 

 mains of, i. 34, 136, 299, 303 ; 

 structure of, in recent crustaceans 

 allied to trilobites, i. 301 ; physio- 

 logical and physical inferences 

 from structure of, i. 302, 303, 



Faluns, of Tourraine, mammalia 



found in, i. 78. 

 Faraday, Mr., notice on preparing 

 the human lungs for diving, i. 

 142. 

 Faujas, M , observations on fossil 

 trees in lignite near Cologne, 

 382. 

 Faults, on geometrical laws of, i. 

 404; utility of, in draining coal- 

 mines,!. 405 — 407; definition of, 

 by Mr. Conybeare, i. 405, 406; 

 utility of, in guarding coal-mines, 

 i. 408; utility of, in producing 

 springs, i. 407, 418, 425; utility 

 of, in primary rocks and metallic 

 veins, i. 407, 408. 

 Favularia, character of, i. 357. 

 Ferns, distribution and number of 

 existing species, i. 347, 348; pro- 

 portion of, to living phaneroga- 

 mic, i. 348; temperature indi- 

 cated by fossil species, i. 348 ; 

 proportions of in the coal forma- 

 tion, i. 349; living and fossil 

 arborescent species of, i. 349, 

 350 ; proportions of, in secondary 

 and tertiary strata, i. 350. 

 Final causes, consideration of, ad- 

 missible in philosophical investi- 

 gations, i. 409. 

 Fire, its rank in geological dyna- 

 mics, i. 38. 

 Fisher, Mr., figures prepared bv, 



ii. 2. 

 Fishes, fossil, causes of sudden death 

 of, i. 100, 101; sudden destruc- 

 tion of in lias formation, 102 j 

 fossil intestinal structure of, i. 

 154, 155; coprolites derived from, 

 i. 154, 155; petrified intestines 

 of, or cololites, i 156; living 

 species observed by Cuvier, i. 

 203 ; fossil species, history of by 

 Agassiz, i. 202, 204; numbers of 

 fossil genera and species, i. 204 ; 

 classification founded on scales, 

 i. 204,205; orders of established 

 by Agassiz, i. 205, 206 ; geologi- 

 cal results derived from fossil 

 fishes, i. 206 ; chang'es in fossil 

 genera and families abrupt, i. 207; 

 fossil, most important to geology, 

 i, 204, 208; sauroid, character 



