INDEX. 



489 



Coal seams, persistence of, in the Valley of Dent, 

 101, note. 



" Cologne earth " prepared from an earthy lig- 

 nite, 459, note. 



Combe-Wood, Oxfordshire, oolite containing 

 freshwater shells found there, 275, 276. 



Composition of strata between the chalk and Ox- 

 ford oolite, general remarks upon, 332, 333. 



Concretions, formation of, 121. 



, an accident illustrating, 



121, note. 



of chert, near Sandgate, following 



lines of false stratification, 120. 



, coproid, of phosphate of lime, in the 



Gault, 111, and note. 



Cone, approaching to an Araucaria, found on the 

 shore at Portland, 349. 



^-^ of an unknown species, from the Hastings- 

 sand, (Plate XXII, %. 10.), 181. 



from the Isle of Pur- 

 beck, (Plate XXII. fig. 9.), 230. 



Conglomerate of new red sandstone near Brough, 

 Kirby Stephen, Burrel, &c., described, 385. 



forms lower part of series, 386. 



not to be distinguished from the 



dolomitic conglomerate of Mendip Hills, 385, 

 399. 



Conglomerates of the lower green-sand in Kent, 

 of what composed, 118. 



Concan : — see Konkhun. 



Coniferae, silicified trunks of, found in the " Dirt- 

 bed" of Portland, 13, 222, 230. 



, wood-cut of a re- 

 markable trunk, found in Portland, 221, 



, some microscopic characters not con- 



fined to them, 222. 



■ accompanied in Portland by Cycadeae, 



a nearly related family, 14, 225, 230. 

 at Swindon, above the Portland stone, 



269. 



, petrified, found in the Lower green- 

 sand, 131. 

 — Hastings-sands, 



229. 

 Coniston Water Head, account of faults between, 

 and Windermere, 52, 67*. 



Contortions and faults in the Weymouth district, 

 35. 



Contraction produced by diminished temperature 

 may explain some of the great parallel corru- 

 gations, C7. 



Conybeare, Rev. W, D., indicates the group pro- 

 posed to be called Portland-sand, 210. 



' , his account of the Ox- 

 ford oolite referred to, 274. 



Coprolite, masses resembling, found in the Gault, 

 111 and note, 368 note. 



green- 

 sand, over Weald-clay, 181. 



Copt Point, Kent, its composition, 107. 



, view of, from the east, (PI. X. b. 



fig. 1.), 106. 



Coral rag, Professor Sedgwick on the, 26, note, 

 213, note. 



Coralline or Oxford-oolite, near Weymouth, de- 

 scribed, 23 ; its composition, 25 ; its extent, 

 27. 



—^-—^——. , very ferruginous cha- 

 racter of the upper beds, near Weymouth, 27. 



Cordier, M., reference to his notes on the Pays de 

 Bray, 327. 



Cornbrash, notice of, near Weymouth, 28. 



" Cornstone" beds, locally so called in Bucks, 288. 



Coulthard, Capt., referred to, on points of Indian 

 geology, 418, 420, 426, 428. 



Cowleaze Chine, Isle of Wight, section of the 

 Weald clay at, 197, 198. 



Crow-limestone, or caillard, description of, 74. 



■ owes its existence to 



shells, 75. 



Craven fault, description of, 90. 



, under Baw Fell, 97. 



, atClaphamBeck, 95, 



, at Short Gill, 96. 



• , near Thornton Force, 



95. 



-, near Wild Boar Fell, 



89. 



account of effects produced by, 



60, 



Fault, 63. 



-, intersection of, with the Cross Fell 



