GENERAL INDEX. 



853 



Organisms of the Carboniferous Lime- 

 stone series at Clifton, 187. 



Ornitliischia, 86. 



Ornithopsis HulJcei, 54. 



Ostracoda in Foraminiferal deposits in 

 Fiji, 7. 



Otter Mouth, Eed rocks at, 153. 



Ought on, boring at, 764. 



Outliers of Cambrian strata, formation 

 of, in Pre- Silurian time, by folding 

 and denudation, 402, 403. 



Oxford Clay, Sauropterygian from the, 

 near Bedford, Proc. 89. 



Oykel, river, alterations of Cambrian 

 strata on the, 433. 



Valley, section from the, across 



Ben More, 423. 



Palaeontology of the Limestone of 

 Beinn Suardal, Skye, 69 ; of the 

 Cambrians, 74; of the Calcaire de 

 Mons, 90 ; of the Thanet Sands, 93 ; 

 of the sands of Bracheux, 96 ; of 

 the Woolwich and Beading series, 

 100 ; of the Oldhaven Beds, 103 ; 

 of the Eed Chalk, 347 ; of the Lower 

 Chalk of Lincolnshire, 348 ; of the 

 Chalk-marl and Totternhoe Stone, 

 349 ; of the Lower Chalk of York- 

 shire, 351 ; of the Upper Bagshot 

 Sand, 616; of the Barton Beds, 

 623 ; of the Stockdale Shales, 726 ; 

 of the Fifeshire Coal-measures, 747. 



Palseopicrite-dykes in Archasan gneiss 

 of North-west Highlands, 390. 



Palaeozoic rocks, stratified, Prof. 

 Bonney on some results of pressure 

 and of the intrusion of Granite in, 

 near Morlaix, Brittany, 11. 



and Eozoic rocks of the At- 

 lantic Coast of Canada, in com- 

 parison with those of Western 

 Europe and of the interior of 

 America, Sir J. W. Dawson on the, 

 797. 



Pant-y-bwlet, section in Quarry near, 

 526. 



Parph district, order of succession of 

 Cambrian rocks in the, 401. 



Parys Mountain, Anglesey, district 

 east of, 524, 530. 



Peach, Mr. B. N., see Geological 

 Survey. 



Peach, C. W., on fossils in the Dur- 

 ness Limestone, 380, 382. 



Pebble-bed at base of Upper Bagshot, 

 608. 



Pebidian, Huronian age of the, 802. 



Pegmatites, formation of, in horn- 

 blende-schist and granitoid gneiss, 

 393 



Q.J.isi.S. No. 176. 



Pelite, lenticular, 472 ; of Camawg, in 



Anglesey, 472; of Central Anglesey, 



496. 

 Pelorosaurus, 55, 57. 

 Pen-Craig, section from, to south of 



Sarn, 449. 

 Pen Ervan, gneissose and schistose 



rocks from, 317. 

 Pen-Ion, section in quarry east of, 503. 

 Penrhyn Quarries, Bethesda, near 



Bangor, Trilobites in the Upper 



Green (Cambrian) Slates of, 74. 

 Pen-y-parc, Cemmaes, looking east, 



518 ; quartz-knob at, 508. 

 Peridote-dykes in Archaean gneiss of 



North-west Highlands, 390. 

 Peridotites, conversion of, into talcose 



schists, 393. 

 Perlitie felsites, Mr. F, Rutley on 



some, from the flanks of the Here- 

 fordshire Beacon, 740. 

 Permian deposits of the South Devon 



Coast, 160. 

 and Triassic rocks of the Durham 



district, classification of the, 767. 

 Fetalograptus cometa, zone of, in the 



Birkhill Shales, 708. 

 Fhacops elegans, 720. 



, var. glaher, 721. 



mucronatus, 721. 



glaher, zone of, 670, 672, 681, 



688, 690, 695, 702. 

 Picrite, hornblende-, of the Sarn 



district, 454. 

 Pipe-rock zone, 403. 

 Pirbright, Upper-Bagshot outlier 



near, 611. 

 Plan of farmyard of Maen Gw^n, 



493. 

 of ground west of Llyn TrefwU, 



483. 



of junction of Porphyry and 



Conglomerate, in Twt Hill Field- 

 quarry, Caernarvon, 273 ; of Twt 

 Hill, 274. 



of quarry at Bryn Efail, 283. 



of shore west of Porth-y-ly-wod, 



491. 



of the Seringapatam area in 



Mysore, 644. 



of the district east of Melkote. 



in the Hassan district of the My- 

 sore province, 637. 



showing deflection and disrup- 

 tion of dykes by vertical thrust- 

 planes, 394. 



showing displacement of a 



quartz-vein, 640. 



Plans of Cae Gwyn Cave, 135, 573. 

 Plas Llanfihangel, relations of granite 

 and gneiss at, 492. 



3l 



