INDEX.
465
page | |
Glen Roy, examination of the first hypothesis─a deluge or large torrent | 352 |
──────────────── second hypothesis; remains of water terraces | 362 |
──────────────── third hypothesis—a lake occupying the valley | 367 |
────────, difficulties attending the third hypothesis | 374 |
────────, position of the boundaries of the supposed lake | 375-384 |
────────, the third hypothesis the most probable | 374-380 |
────────, the level of the sea supposed to be marked by these lines | 390 |
Glen Turit, traces of parallel roads in, described | 332 |
Glenwhelt, the highest land in England in the parallel from Newcastle to Carlisle | 57 |
Gneiss, of peculiar character, occurs in the promontory of Sleat in Sky | 159 |
──────, transition between it and graywacke and sandstone | 161-165 |
Goniometer, common, not calculated to measure crystals with perfect accuracy | 237 |
─────────, reflecting, measurement of crystals by the | 233-241 |
Granitic rocks, detached masses of, compose the hill of West Down in Devonshire | 147 |
Granite, found at Dufton Pike in Westmoreland | 109 |
───────, junction of, with the schist at Cruachan | 120 |
───────, the country near Cruachan appears to consist chiefly of | 125 |
───────, its extent there | 128 |
───────, crowns the summit of Kithill in Devonshire | 147 |
───────, deposit of upon the schist at Cligga point | 402 |
Granite veins, penetrate the schist of Cruachan at its junction | 120 |
───────────, in slate in the Mourne Mountains | 443 |
Gravel, of Litchfield, Mr. Aikin's observations on | 426 |
Greenstone and Slate, group of rocks of, described | 105 |
Graywacké slate, found in the Cheviot hills | 94 |
──────── series, transition between it and gneiss in Sky | 161 |
Grouan, a Cornish term applied to clay porphyry | 152 |
Hangman Hill, height of | 437 |