INDEX. 



745 



Drift, local (or ancient), course of alters with change of strike, 

 519. 



, northern (or more modern), 523 etseq. 



, of Pembrokeshire, 520. 



, independent of existing drainage, 521. 



, recapitulation of, 522. 



, of Staffordshire and North Worcestershire, 524. 



, of the Cotteswold range, 527. 



, overlying local drifts, 525, 526. 



, contains sea shells of existing species, 528. 



, elevation of above the sea, 534. 



, granitic bowlders of, 535. 



— : — , occur at various heights, 544. 



Drillt, near Oswestry, section of coal measures, 142, 143, 

 147. 



Droitwich, salt-springs at, 30, 31. 

 Druidical circles, 327 {note 2.), 732. 

 Druson Haven, coal seams, 378. 

 Dry ton, Shrewsbury coal-field, 93. 



Dudley, Red Sandstone and calcareous conglomerates around 



the coal-field of, 47, 55, 57, 466, 728. 

 coal-field, 463 et seq., 728. 



limestone, identified with that of Wenlock, 208, 480, 



483. 



, organic remains of, 492, 622 et seq. 



coal-field, organic remains of, 474. 



sections of (PL 37. f. 1—6.), 714, 725 



(PI. 29. f. 10.), 726. 

 Town, view of, 480. 



Port, subterranean mass of Wenlock Limestone, 489, 



491. 



coal-field, major axis of parallel to the Lickey, 495. 



, trap rocks of, 497, 501, 507. 



coal measures altered by trap, 498, 499. 



, lines of elevation and subsidence, 502, 505. 



Port, dislocations in the coal measures at, 503, 504. 



tract, local detritus of, 524, 525, 532, 535. 



, direction of the strata (see Strike), 569. 



limestone See Wenlock limestone. 



shale. See Wenlock shale. 



Dufrenoy, M., on the New Red Sandstone, 45. 



— , on trap rocks, 74. 



— , on the term Silurian, 7. 



. , on craters of elevation, 427. 



Du Gard, Dr., collection of fossil plants, 104. 



— > analysis of Prolimoor spring, 257, 261. 



— , minerals collected by, 278. 



, gravel and shells near Shrewsbury, 531. 



Dumbleton, conglomerate in coal measures, 134. 

 Dumont, M., visits the Silurian Region, 7. 

 Dunes of blown sand, 562. 

 Durbam, magnesian limestone of, 27. 



, Lower New Red Sandstone of, 66. 



, -wbin-silt or basalt of, 77. 



coal-fields, plants of, 85, 151. 



Durseley Cross, May Hill, section of Silurian Rocks, 443, 444. 

 Dykes, their connexion with volcanic phenomena, 73. 

 Dyke, basaltic, in Durham and Yorkshire, 7 6. 



, in the Clee Hills, 127. 



. , at Shatterford, 137. 



, trappean, at Acton Reynolds (in New Red Sandstone), 



295. 



, at Bartestree (in Old Red Sandstone), 185. 



, at Brockhill (in Old Red Sandstone), 186. 



Dykes in trap rocks at Lilleshall Hill, 235. 



trappean, (in Upper Silurian) at Old Radnor, 320. 



t (in Lower Silurian) at Sibdon House, Salop, 



229. 



. , at Kinton, 270. 



. , at Whitsborn Hill, 274. 



. . , at Welch Pool, 288. 



, } at White-leaved Oak, near Malvern, 418. 



Dynevor, Lord, soil of Llandeilo Flags, 253. 



Dynevor Park, Caermarthenshire, dislocations (wood-cut), 356. 



Earlswood Common, Monmouthshire, lower limestone shale 



(carboniferous), 159. 

 Earthquakes producing fissures, 72, 507. 

 Easthope, Wenlock Limestone, 210, 212. 

 Eastnor Hill and Obelisk, Wenlock Limestone and Caradoc 



Sandstone, 413, 424. 

 Eastnor Park, fossils at, 618, 635 et seq. 



, gravel and bones of quadrupeds, 516, 554. 



Eaton, Lieutenant, R.N., coal of West Bromwich, 475, 728. 

 Ebury Wood, near Shrewsbury, trap of, 265. 

 Edstaston, Salop, has, 22. 



Edwards, Dr. Milne, description of a zoophyte, 586. 



-, on trilobites, 647. 



Egerton, Sir Phihp, Bart., coal in N. Stafford, xxix. 



, . -, New Red Sandstone, 39, 298. 



, . , fish in the upper coal measures, 475. 



■, shells in gravel, 531. 



, on the cheirotherium, 734. 



, the Rev. T., lias of Shropshire, xxix. 23. 



- — Wbixall moss, 559. 



, the Rev. W., has of Shropshire, 23. 



Ehrenberg, Professor, references to his memoir on the corals of 



the Red Sea, 682 et seq. 

 Eichwald, M., on trilobites, 646, 657. 

 Eifel, the, in Germany, extinct craters of, 70. 

 ., fossils of, 621 et seq. 



Elain river, banks of slate and conglomerate with lead veins, 

 317, 361. 



Eldersfield, Keuper Sandstone near, 64. 

 Elevation, vallies of, 238, 427, 438, 486. 

 ■ , craters of, 427. 



Elgin, fishes found near, in Old Red Sandstone, 600. 

 Elmley Lovett, Worcestershire, New Red Sandstone plants. 65, 

 727. 



Elton, Salop, Lower Ludlow Rocks and fossils, 205, 618 et 



seq. 



Enchmarsh, Salop, conglomerate of Caradoc formation, 221. 

 End Hill (near Malvern), syenite and Caradoc Sandstone, 414 

 —418. 



Engelspach, M. de l'Arriviere, on the agency of icebergs, 

 538. 



England, Rev. T., on concretionary limestone in coal measures, 

 60, 132. 



England, central counties, coal of, 161, 507, 728. 



, large part of, when submerged, 524. 



Ensdon Hill, Salop, elevation in the New Red Sandstone, 296. 



Enville, terraces of Lower New Red Sandstone, 58. 



Enys, Mr., granite joints in Cornwall, 243. 



Epidote in Malvern syenite, 417. 



Ercal Hill, trap rocks, 99, 106, 232, 233. 



-, section to (PI. 29. f. 16.), 714. 



Erratic blocks, 535. 



, how transported, 536 et seq. 



