INDEX. 



743 



Cornden or Corndon district, bowlders derived from, 514. 



, direction of the strata, 267, 568. 



Cornavii, part of their territory described, xxxii. 

 Cornbrook coal, Salop, covered by basalt, 113, 125, 126, 128, 

 130. 



works, value of, 121. 



Corngreaves collieries, Dudley, 467, 468, 471, 472, 479. 



, fault near to, cutting off the 10 yard coal, 506, 507. 



Cornstones of the Lower New Red Sandstone (PI. 29. f. 10.), 

 55 et seq. 



of the coal measures, 132. 



• of the Old Red Sandstone, 170, 175 et seq., 386 (PI. 



31. PI. 32 et seq.), 716, 717. 



, organic remains of, 180, 589. 



Corn-y-fan, point of the Brecon anticlinal, 337 (PI. 31. f. 9.), 



717. 



, fossils of Upper Ludlow Rock, 611. 



Corsewood Hill, Gloucestershire, Lower Lias and New Red Sand- 

 stone, 20. 



Corston, near Clungunford, Salop, 253. 

 Corton, Salop, Caradoc grits, &c, 219, 229. 



Gate, Radnorshire, Caradoc grits, 314, 322. 



, fossils at, 636 et seq. 



Coruisk, Isle of Skye, hypersthene rock of, 318. 

 Corvedale, valley of, escarpments of cornstone, 179. 

 , red land of, 197. 



Cosheston, Pembrokeshire, carboniferous limestone and Old Red 



Sandstone, 381. 

 Cothi river flows through breaks of strata, 408. 

 Coton, calcareous conglomerates of New Red System, 48. 

 Cotteswold Hills, section of, 14 (PI. 29. f. 1.), 713. 

 ■, Inferior Oolite and fossils of, 13, 15, 18, 34, 



449. 



, lias extending from escarpments of, 16, 17. 



, local drift of, 527, 528. 



. escarpments of, coast of a former sea channel, 



530. 



Cotton, Mr., of Claverley, northern bowlders, 536. 

 Coughley, Salop, coal and fresh-water limestone at, 61, 96, 100, 

 102. 



Cound, Salop, Lower New Red Sandstone, 63. 



, Cambrian Rocks near to, 93. 



. , nodules in Wenlock shale near to, 213. 



, white, variety of Caradoc Sandstone, 221. 



• , fossil shells near, 640. 



Moor, eruptive line of the Caradoc, 234. 



Cowley Park, Malvern, trap and Caradoc Sandstone, 415, 419 



(PL 36. f. 7.), 722. 

 Cowper's Bank, Dudley, trap of, 499. 



Cox's Mill, Salop, Silurian Rocks unconformable to Cambrian, 

 303. 



Cox's Rough, &c, eastern side of the Rowley trap hills, 497. 



Coxwall-knoll, Salop, xxxi (wood-cut), 239. 



Crackley Bank, Salop, pebbly Red Sandstone, 62. 



Cradley, Herefordshire, Old Red Sandstone (PI. 36. f. 6.), 722. 



(Dudley coal-field), volcanic grit, 468. 



. Heath, Dudley, sahne spring, 507. 



Craig-castell, Brecknockshire, porphyritic trap, 345. 

 Cvaig-fawr, Radnorshire, trap, 327. 



Craig-nant, near Oswestry, lowest beds of carboniferous lime- 

 stone, 146. 



Craig.pandu Cliff, Monmouthshire, Silurian Rocks, 438. 

 Craig-pwll-dhu, Radnorshire, contorted strata (sketch), 312. 

 , section of Ludlow Rocks near (PI. 31. f. 1.), 716. 



Craig y rhiw, escarpment of carboniferous limestone near Os- 

 westry, 145. 



Craneham, Pembrokeshire, inverted carboniferous limestone, 

 381. 



Cranfield Point near Carlingford, Ireland, raised beach at 



(wood-cut), 546, 547. 

 Craters of elevation, 427. 



Craycombe, longitudinal fault in red marl and lias, 569. 

 Crew's Hill, Worcestershire, fractures of Wenlock Limestone 



(wood-cut), 422. 



, fossils at, 623. 



Crest Hills, Salop, eruptive trap, 273, 274. 

 Crickhowell, strata near to, 156, 162. 



, course of the Usk near, 517. 



, fossil fish in the Old Red conglomerate of, 601. 



Criggan, Breidden Hills, trap of, 290, 291. 



Crockley's Wood, Tortworth, intrusive trap, 460. 



Croft Ambrey, Herefordshire, Aymestry Limestone, 203, 238. 



, fossils at, 614 et seq. 



, Malverns, fossils of Wenlock Limestone, 623. 



Cromarty, fossil-fishes in Old Red Sandstone of, 602. 

 Cromhall, near Tortworth, limestone, shale, and coal of, 107 



(PI. 36. f. 21.), 724. 

 Crom-llechs, 364, 562. 



Cropthorn, red marl protruded through the lias, 21. 



terraces, gravel with fluviatile shells, 555, 556. 



Croynwydd, Pembrokeshire, Llandeilo Flags, 397. 

 Crustaceans, fossil, prevalent in Silurian Rocks (see Trilobites). 

 Ctenacanthus, ichthyodorulite in Old Red Sandstone, 589, 597. 

 Cullimore's Farm, Tortworth, intrusive trap at (wood-cut), 459. 

 Culm, geologically identical with coal, 371. 

 reposes on Silurian and Cambrian Rocks in parts of Pem- 

 broke as in Devon, 374 et seq. 

 Cumberland, Lower New Red Sandstone of, 66. 

 , bands of porphyry in, 76. 



, northern drift and bowlders from, 522, 537, 538. 



, icefloes supposed to have floated from, 539. 



, Silurian Rocks of, 734. 



Cumberland, Mr., memoir referred to, 453. 

 Cunningham, Mr. J., section of New Red Sandstone, 734. 

 Curtis, Mr., on fossil insects, 104. 

 Cusop, Herefordshire, Old Red Sandstone, 173, 175. 

 Cuvier, strata identified by organic remains, 3. 



, organic remains named by him, 561. 



Cwm-clyd, basin of Lower Silurian Rocks, 353. 

 Cwm-craig-dhu, Brecknockshire, Ludlow Rocks, 340, 341 (PI. 



31. f. 6.), 717. 

 , fossils at, 617. 



Cwm-dwr, east of Llandovery, 182, 347, 360 (PI. 34. f. 1.), 719. 

 Cwm-nant-gwyn, Brecknockshire, Upper Ludlow Rock and 



fossils, 340, 611 et seq. 

 Cwm-meirah, flagstones and slaty beds (Upper Silurian), 348. 

 Cwm-re dingle, Radnorshire (wood-cut), 325. 

 Cwrt-a-barddh, Caermarthenshire, Old Red Sandstone, 166, 167, 



168. 



Cyffic, Pembrokeshire, Old Red Sandstone, 386, 396 (PI. 35. 

 f. 5.), 721. 



CyfFredan, vale of, caves in limestone (see Cefn), 553. 

 Cystiphyllum, a new genus of corals, 691. 



Dalman, M., on fossil shells and trilobites, 7, 609, 622 et seq., 



630, 643, et seq. 

 Damory Mill, Tortworth, Caradoc sandstone and trap, 456—460. 

 __ ■ , fossils at, 637. 



5 b 2 



