versing dolerite, Rudh an Tangairt, 300 ; of pitchstone filling a cavity in dolerite, Eigg, 301 ; at the base of the Scur of Eigg, 305 ; at the cliff of Bideann Boidheach, north-west end of the Scur of Eigg, 308 ; in the Red Crag at Ramsholt, 327; in Bawdsey cliff, 327, 334 ; in the cliff at Walton, 328; in a pit on the common about half a mile west of Butley Abbey, 329; of the upper 25 feet of the cliff, Walton-on-the- Naze, 333 ; in railway-cutting south of Woodbridge, 334; half a mile west of Shottisham Hall, 335 ; in pit by side of road l-1/4 mile N.N.E. from Sudbourne church, 335 ; in ballast- pit, Aldborough, 335 ; at Chillesford, 336 ; in Chillesford brick-pit, 337 ; from the railway to the high-road, near Warren House, 339 ; in Bullock-yard pit, Sutton, 340 ; of pit near the Barn, 340; of pit at Park Farm, Tattingstone, near Ipswich, 342 ; of pit near Bulchamp Union, 344 ; of cliff at Easton Bavent, 345 ; across St. David's promontory, 388 ; from the Roraima mountain to the Quitaro river, 421 ; in pit at Aldeby, 454 ; in Thorpe pit, Norwich, 456 ; in chalk-pit, Coltishall, 459 ; of the lower part of the cliff west of Sherringham, 460 ; of the north end of Southwold cliff, 462 ; near the north end of Easton-Bavent cliff, 462 ; of the cliff between Kessingland and Pakefield, 463 ; of the lower part of the cliff 1-1/2 mile south of Pakefield, 463 ; of the cliff near Bacton, 464; in Paston cliff, 465 ; of the Westleton beds near Mundesley, 467 ; of the Westleton beds on the side of Runton Gap, 468 ; at Bishopford bridge, Norwich, 469; collated, on the Zwartkops river, 498 ; of the salt vlei and fiat on the south side of the creek or Ferreira's river, 508 ; of outlier near the salt vlei, 509 ; showing the relative positions of the Trigonia-beds, the saliferous group, and the Posttertiary shell-limestone of South Africa, 515 ; at Dordrecht, on the Upper Stormberg, 524 ; on the Upper Zwart Kei, between the Great Winterberg and the Groot Tafelberg, 526; of the Stormberg, at the source of Klaas-Smit's river, 531 ; from the sea at Alexandria to the Orange river, 537 ; showing the dip of the Upper Karoo-beds from Beaufort to the Washbank, 537.
Sedimentary strata of Banffshire &c, derivation of the, 106.
Sheets, intrusive, in the island of Eigg, 295 ; section of, 297.
Shell-beds, latest, in the Cape Colony, 520.
Sherringham, section in cliff near, 460.
Shottisham hall, section near, 335.
Sigillaria, Calamites, and Calamodendron, Dr. J. W. Dawson on the structure and affinities of, 147.
Sigillaria, structure of, 147; erect trunks of, 148 ; prostrate trunks of, 149.
Sizewell cliff, fossils from, 343.
Slates of Banffshire, 104.
Solarium Wiebeli, 65.
Solenastraea Prestwichi, 369.
South-African geology, Mr. G. W. Stow on, 28, 52, 497, 523.
Southwold cliff, section of north end of, 462.
Spain, Eastern, coal-bearing strata of, 224.
Spey, section from the, to the Deveron, 102.
Sternbergiae, structure of, 150.
Stoke Edith, Herefordshire, Mr. H. Woodward on a new species of Eurypterus from Perton near, 261.
Stormberg, coal from the, 51 ; denudation north of the, 543 ; section on the south side of the, at the source of Klaas-Smit's river, 531 ; sections through, 537.
—, Upper, section at Dordrecht on the, 524.
Stow, George William, Esq., on some points in South- African geology, Part I., 28, 497.
—. —. Parts II. and III., 52, 523, 534.
Strontian, Argyllshire, Mr. E. H. Scott on the minerals of, 372.
Strontianite, 373.
Sudbourne church, pit 5 furlongs E. N.E. from, 120 ; pit 1J mile N.N.E. from, 335 ; fossils from, 332.
Suffolk and Norfolk, Mr. J. Prestwich on the Crag-beds of, with some observations on their fossil remains. Part I. The Coralline Crag of Suffolk, 115.
—. —. Part II. The Red Crag of Essex and Suffolk, 325.
—. —. Part III. The Norwich Crag and Westleton beds, 452.
