GENERAL INDEX. 



855 



Bock -fragments imbedded in- Carboni- 

 ferous Limestone near Dublin, 

 probable mode of transport of, 

 371. 



Rock-mortars in gneiss, Seringapatam 

 area, 646. 



Rock-salt, discovery of, at Middles- 

 borough, 761, 766. 



Rocks east of Parys mountain, Pre- 

 Cambrian age of the, 524 ; eruptive, 

 in the neighbourhood of Sarn, Caer- 

 narvonshire, 442; horizontal move- 

 ments of, Mr. W. Barlow on the, 

 783; South African, classificati(m of, 

 240. 



Roscolyn, South-Stack series near, 

 477. 



Rubies, in the matrix, from Burmah, 

 Froc. 91. 



Rutile in greensand at base of Thanet 

 Sand, 757. 



Rutley, Mr. F., on perlitic felsites, 



Srobably of Archffian age, from the 

 anks of the Herefordshire Beacon, 

 and on the possible origin of some 

 Epidosites, 740. 



Sables de Bracheux, 94; MoUusca of 

 the, 96. 



St. Asaph Drift, fossils of the, 120. 



St. David's, Monian rocks at, 543. 



Salcombe Dingle, Red-rocks at, 150. 



Saliferous rocks of Durham, strati- 

 graphical position of the, 765. 



Salt, working of, in the Durham 

 district, 776. 



Salt-district of Durham, Mr. B.Wilson 

 on the, 761 ; area of the, 773. 



Saltholme, boring at, section in, 779, 

 782. 



Sandhurst, Upper Bagshots at, 613, 

 614. 



Sands, Upper Bagshot, 580 ; Thanet, 

 greensand at base of, 755. 



Sanspareil, granulite and greenstone 

 of, 317. 



Sarn, Caernarvonshire, Mr. A. Harker 

 on the eruptive rocks in the neigh- 

 bourhood of, 442. 



, section from Pen-Craig to near, 



449. 



district, map of the, 443. 



Saurischia, 86. 



Sauropoda, 53, 85. 



Sauropterygian, Mr. R. Lydekker on 

 the skeleton of a, from the Oxford 

 Clay, near Bedford, Proc. 89. 



Scandinavia, Huronian in, 802. 



Scania, representatives of Stockdale 

 Shales in, 710. 



ScelidosauridfB, 52. 



Schists, frilled, 431, 435. 



Schoorstein Berg, section through the, 

 270. 



Scotland, equivalents of Stockdale 

 Shales in, 706. 



, report on the recent work of 



the Greological Survey in the North- 

 west Highlands of, 378. 



, west, marine fossils from the 



Coal-measures of, 750. 



Scree-material, Mr. C. Davison on the 

 movement of, 232, 825. 



Seaton Carew, borings at and near, 

 764, 765; sections in, 781, 782. 



Sections : — across the valley at Ober- 

 mittweida, 22 ; at Torr Mor, Bore- 

 raig. Loch Eishort, 68 ; in Allt 

 Leth Slighe, Strath, 71 ; in Cae 

 Gwyn Cave, 127, 128 ; in quarry 

 opposite Ffynuon Beuno Cave, 132 ; 

 showing junction of the Budleigh- 

 Salterton Pebble-bed and Permian 

 Marls, 155 ; of Eocene Beds, Didcot 

 and "Winchester Railway, 179 ; in 

 the valley of the Buffels River, 259 ; 

 north of Aberdeen, showing the 

 junction of the Karoo and Ecca 

 beds, 261 ; showing the general 

 geological structure of the Cape 

 Colony from the Zwarteberg to the 

 Stormberg Mountains, 256, 270; 

 generalized, from Cape Town to the 

 Transvaal, 256, 270 ; showing the 

 position of the Conglomerate of the 

 Oliphants Valley, 257, 270 ; through 

 Grahamstown and King William's 

 Town, 263, 270 ; at Twt-HiU Eield- 

 quarry, Caernarvon, 273; in road 

 near Bryn Efail, 284; from Dinas 

 Dinorwic to Llyn Padarn, 287 ; in 

 Speeton Cliff, 354 ; of lower beds of 

 the Upper Cretaceous series in 

 North-west Norfolk, South and 

 Central Lincolnshire, and South 

 Yorkshire, and at Leavening and 

 Speeton, 366 ; of original Archaean 

 gneiss, 389 ; of overfolding of 

 micaceous layers along thrust- 

 planes in Archaean gneiss, 397 ; 

 showing double foliation in Archaean 

 gneiss, 398 ; in the Parph district, 

 401 ; of Silurian sti-ata at Durness 

 and Eriboll, 404 ; of Silurian strata 

 from Eriboll to Ullapool, 406 ; in 

 west face of Glasven near Loch 

 Gamnheach, 413 ; across Ben Arkle 

 to the outcrop of the Moine thrust- 

 plane, 415 ; showing structure of 

 ground between Loch More and 

 Strath nan Carran, 415; showing 



