310. View of Volcanic Neck piercing and overlain by the Plateau-Basalts, Stromö, entrance of Vaagöfjord, Faroe Islands. (From a photograph by Colonel Evans) 294 311. Section of the same Neck as that shown in Fig. 310 295 312. Volcanic Neck close to that shown in Figs. 310 and 311 296 313. Section of wall of another Neck of agglomerate in the same group with those represented in Figs. 310, 311, and 312 296 314. View of "Segregation-Veins" in a dolerite sill, Portrush, Antrim 300 315. View of Fair Head, from the east, showing the main upper sill and a thinner sheet cropping out along the talus 301 316. View of Fair Head from the shore. (From a photograph by Mr. R. Welch) 302 317. Section at Farragandoo cliff, west end of Fair Head, showing the rapid splitting up and dying out of an Intrusive Sheet slope 304 318. View of the Trotternish Coast, showing the position of the band of Sills 305 319. Columnar Sill intrusive in Jurassic Strata east of Kilmartin, Trotternish, Skye 306 320. View of the northern precipice (500 feet high) of the largest of the Shiant Isles. (From a photograph by Colonel Evans) 308 321. Section of thin Intrusive Sheets and Veins in carbonaceous shales lying among the Plateau-basalts, cliffs north of Ach na Hannait, between Portree Bay and Loch Sligachan 311 322. Upper part of Sill, Moonen Bay, Waternish, Skye, showing the divergence of veins 313 323. Section of the base of the Basalt-plateau with sill and dykes, Sound of Soa, Skye 314 324. Section of Dolerite Sill cut by another sill, both being traversed by dykes, Rudh' an Iasgaich, western side of Sleat, Skye 316 325. Section to show Bedded and Intrusive Sheets, Eigg 318 326. Ground plan of Sills at Ben Hiant, Ardnamurchan. 321 327. Section of two Sills in schistose grits, west end of Beinn na h-Urchrach, Ardnamurchan 322 328. Sill traversing bedded Basalts, cliffs of Stromö, at entrance of Vaagöfjord 323 329. View of the same Sill seen from the channel opposite the island of Kolter 324