350. Ground-plan of basic dyke in Cambrian limestones truncated by granophyre which encloses large blocks of the dyke, Torrin, Skye 393 351. Section on south side of Beinn an Dubhaich, Skye, showing the truncation of a basalt-dyke 394 352. View of the hills on the south side of the head of Loch na Keal, showing the junction of the Granophyre and the bedded basalts 396 353. Section on south side of Cruach Tòrr an Lochain, Mull 398 354. Section at head of Allt na Searmoin, Mull 398 355. Section on south side of Beinn Fhada, Mull 399 356. Section to south of Loch na Dàiridh, Mull 400 357. Section of junction of south side of Loch Ba' Granophyre boss, with the bedded basalts, Mull 401 358. Mass of dark gabbro about two feet in diameter traversed by pale veins of Granophyre, lying on north slope of Creag na h-Iolaire, Mull 402 359. Section at Creag na h-Iolaire, Glen More, Mull, showing basalts and gabbros resting on and pierced by Granophyre 402 360. Section on north side of Orval, Rum 404 361. Junction of Quartz-porphyry (Microgranite) and basic rocks, south-east side of Orval, Rum 404 362. Junction of Granophyre and gabbro, north side of St. Kilda 410 363. Veins of Granophyre traversing gabbro and splitting up into thin threads, north side of St. Kilda 411 364. Pale Granophyre injected into dark basalt, South Bay, St. Kilda 412 365. Veins of Granophyre traversing a fine-grained gabbro and scarcely entering a coarse-grained sheet, west side of Rueval, St. Kilda 413 366. View of sills and veins of pale Granophyre traversing sheets of gabbro, west side of St. Kilda. (From a photograph by Colonel Evans) 414 367. Section of the sea-cliff below Conacher, St. Kilda, showing basic dykes in Granophyre 417 368. Triple basic dyke, sea-cliff, east side of St. Kilda 417 369. Jointed structure of the Granite near the top of Goatfell, Arran. (From a photograph by Mr. W. Douglas, lent by the Scottish Mountaineering Club) 419 370. Intrusive Rhyolite in the lower basalt group of Antrim, Templepatrick 427 371. Section across the southern slope of Carnearny Hill, Antrim 427