INDEX. 



747 



Fownhope, Ludlow Rocks, 431, 432. 



— , Wenlock limestone, fractures of, 432. 



-- — « — , drifted materials, 436. 



, Silurian fossils at, 610, 623 et seq.. 



Fox, Mr. R. W., on granite joints, 243. 



■ >, on lamination, 5 74. note. 



Fraisthorpe colliery, Pembroke, 373. 

 France, extinct volcanos of, 70. 



, lacustrine limestones of, 84. 



■ , New Red System of, 44. 



— — — , Silurian Rocks of, 7. 



Frankley, near Lickey, calcareous conglomerate of New Red 

 System, 55. 



Franklin, Capt. Sir John, R.N., North America, 149. 

 Freestone. See Building-stone. 

 French nomenclature of the New Red System, 27. 

 Freshwater limestone of France and Germany, 84, 97. 



of the Salopian coal measures, 61, 81, 83, 



94, 97, 100. 



Freshwater, East and West, Pembrokeshire, Old Red Sandstone, 

 387. 



1 , Silurian Rocks of, 



391. 



— >. , Upper Silurian fos- 

 sils, 610. 



— , blown sands at, 562. 



Frith Wood Coppice, Malverns, Wenlock shale fossils, 629 et 

 seq. 



Frogs, bones of, in the " Bone Well," 250. 

 Frome, local drift in the valley of, 514. 

 Frontinus, Julius, conquers the Silures, xxxi. 

 Fry, Mr., 450. 



Fucoids in Upper Ludlow Rock, 199. 



in Caradoc Sandstone, 494. 



Fuller's earth in Ludlow Rocks, 204, 435. 

 Funnel-shaped cavities in carboniferous limestone, 166. 



Gaer-fawr, Montgomeryshire, Caradoc Sandstone, 305, 306. 



fossils at, 637 et seq. 



, Pembrokeshire, trap ridges, 401. 



Gairdner, Dr., on Thermal springs, 34. 

 Galena. See Lead ore. 



Galli-cistaniog near Caermarthen, hard Silurian grits, 361. 



Galt-yr-ankr, Montgomeryshire, Caradoc Sandstone, 306. 



Gallt-y-minde, Caermarthenshire, trap of, 365. 



Gamage Hall, Newent, coal strata near, 154. 



Gamrie, Banff, fossil fishes of, 599, 600, 601, 602. 



Ganges river, its power of transport, 573. 



Gannow Green, Worcestershire, calcareous conglomerates of 



New Red System, 47, 55. 

 Gardner, Mr., reduces and engraves the map and sections of the 



Silurian Region, xxx. 

 Garden House quarry, Aymestry, fossils at, 617. 

 Garn-dwad, Brecknockshire, porphyritic trap, 343, 345. 

 Garner, Mr., fossil fishes of coal measures, 474. 

 Garth Hill, Brecknockshire, 341. 



Gatcombe, Gloucestershire, red and green marls of Old Red 

 Sandstone, 453. 



Gateholme Isle, Pembrokeshire, Old Red Sandstone (wood-cut), 

 393. 



Gatley Coppice, Aymestry and Wenlock limestones, 203, 205, 

 238. 



Gatten Lodge, Salop, contorted and altered Cambrian sand- 

 stone, 263. 



Gelli, hills, near Llandrindod, trap rocks, 325 (PI. 33. f. 5.). 

 Germany, Silurian Rocks of, 7. 



, Silurian fossils of, 609 et seq. 



, lacustrine limestones of, 84. 



, Keuper, Muschelkalk, Bunter Sandstein and Rothe- 



todte-liegende of, 30, 32, 44. 

 Giant's Causeway, basalt of, 70, 187. 

 Giant's Chair, Clee Hills, columnar basalt, 125. 

 Gibbon, Mr., colliery section of Dudley field, 478. 

 Gilby, Dr., on trap and clay slate near Builth, 333. 



, on dolomitic conglomerate, 451. 



Giltar Point, Pembrokeshire, carboniferous limestone, 381. 

 Gilwern Hills, bedded trap rocks, 325 et seq. 

 Ginity Graves, near Wallsall, Wenlock limestone near to, 488. 

 Giraldus Cambrensis, on a submerged forest, 563. 

 Gladestry, concretionary marl of Old Red near to, 193, 

 , Upper Ludlow Rocks, 312. 



Glamorganshire coal basin, fractures and dislocations of its edges 



referred to, 407. 



coal-fields, detritus of, 519. 



Glas-alt-fach, Caermarthenshire, 351. 



Glasgoed, centre of Usk, Silurian elevation, 439 — 440. 



Glass-house Green, May Hill, impure limestone and Caradoc 



Sandstone, 443. 



> fossils at, 629 et seq. 



Glazed carboniferous limestone in Caermarthenshire, 157. 

 Glazely, Salop, zone of coal, 131. 



Gleedon Hills, Salop, Wenlock limestone, concretions of, 209, 

 211, 212. 



Glog, Caermarthenshire, trap conglomerate, 365. 

 Gloucestershire, oolitic series and Has, 13, 16, 18, 20, 443, 

 450. 



, New Red Sandstone of, 28, 450. 



, mineral springs of, 30, 33. 



, lower limestone shale of, 159, 160. 



, cornstones and marls in Old Red Sandstone of, 



175, 453. 



, large portions of, when submerged, 524, 532. 



, local detritus in, 527. 



Gmelin, references to his edition of Linnaeus (corals), 675 et 

 seq. 



Goat's Hill, Salop, Aymestry limestone, 203. 



Gogo-fau, Roman mines described (wood-cut), 367, 368, 369 



(PI. 34. f. 2.), 719, 732. 

 Golden Grove near Llandeilo, built of black marble carboniferous 



limestone, (PI. 34. f. 8.) 156, 720. 

 , Silurian Rocks and fossils, 349, 354, 397, 635 et 



seq. 



Golden Hill, Monmouthshire, escarpment of Old Red Sandstone, 

 177. 



Goldfuss, M., on fossil shells, 617. 

 , on trilobites, 646, 665. 



, references to his Petrefacta Bonnensis (corals), 



675 et seq. 



Goldstone Common, anticlinal in New Red Sandstone, 297. 

 Goleugoed Hill, Caermarthenshire, organic remains of Lower 



Silurian Rocks, 351, 636 et seq. 

 Golfa Hill, Upper Silurian flagstone, 302, 305. 

 Goodie Sands, Pembrokeshire, altered rocks and trap breccia, 



402. 



Gordon, Rev. G., his collection of fossil fishes of Old Red Sand- 

 stone, 600, 601. 

 Gough's edition of Camden referred to, xxxi. 734. 

 Gornals, near Dudley, 471, 481, 482 (PI. 37. f. 2.), 726. 



