﻿Vol. 6 1.] 



GENEEAL INDEX. 



■31 



Ossiferous cavern at Longcliffe, 43- 



63 & pis. v-viii. 

 Ostrea Bristovi, 422 & pi. xxxiii. 

 Ostrea-Beds (Lr. Lias) at Lavernock, 



&c, 389 et seqq. ; at Berrow Hill, 



427-28. 

 Overlap, Rhaetic-Keuper, 384, 386, 



414, 430. 

 Oxfordshire, new Oolitic strata in, 



440. 

 Oyster - limestone (Campanian) in 



Nile region, 672, 673, 675. 



Pachylytoceras, gen. no v., 144. 



aalenianum, sp. nov., 146 w. fig. 



& pi. xv. 

 ■ phylloceratoides, sp. nov., 147 & 



pis. xv-xvi. 

 Palaeontological sequence in Carb. 



Limest. of Bristol area, 181-307 



figs. & pis. xxii-xxix. 

 Paper-Shales, 393. 

 Paral>olina-Beds of Arenig, 612-13. 

 Paris, E. T., 384, 385, 421, 430. 

 Parkgate Seam (Yorks.), wash-out in, 



341-44 figs. 

 Parkinson, F. B., 162 et seqq. 

 Peak Alum-Works (Yorks), Dogger 



at, 448-49 ; see also Ravenscar. 

 Peak Fault, 441, 448, 457, 459. 

 Pebble-Bed in Blea-Wyke Oolite 



(Yorks), 446, 449 et seqq., 454. 

 Pecten farafrensis, 674 et seqq. 



Mayer -Eif marl, 674, 677. 



Pccteii-bedfi at Lavernock, &c, 392 et 



seqq. ; at Berrow Hill, 428. 

 Peeten-mnrte (Cretaceous), 673 et seqq. 

 Peltura-Beds of Arenig, 613-14. 

 Pembrokeshire, igneous rocks of part 



of, 579-607 figs. & pis. xxxviii-xl. 

 Penartu district (Glamorgan) Rhaetic, 



&c. in, 388-97 figs. 

 Penberry Hill (Pembroke), quartz- 



norite of, 588-91 fig. w. chem. anal. 



& pi. xxxix. 

 Penclegyr (Pembroke), enstatite-rocks 



of, 592. 

 Pencoed (Glamorgan), Rhaetic near, 



406. 

 Pendoylan (Glamorgan), Rhaetic of, 



405. 

 Penmaenmawr, (Caernarvon), ensta- 



tite-diorite compared w. Penberry- 



Hill rock, 589-91 fig. 

 Pentre (Glamorgan), White Lias at, 



403. 

 Perceval, S. G., 235. 

 Permian, so-called, of Potteries Coal- 

 field, 308, 312; do. of Derbyshire, 



314. 



Q. J. G. S. No. 244. 



Peterston (Glamorgan), Rhaetic of, 

 405. 



Phosphatic Chalk of Taplow, 461-94 

 figs. 



Photography, three-colour, vii. 



Phvllite fr. Congo Free State, 659, 

 660. 



Phylloceratidae contrasted w. Lyto- 

 ceratidae, 142. 



Plankton & stratigraphy, lxxv. 



Plant-remains, Coal-Measures corre- 

 lated by means of, 308-23. 



Pleistocene cavern at Hoe-Grange 

 Quarry, Longcliffe, 43-63 & pis. v- 

 viii ; Pleistoc. lake in Nile region, 

 668, 669, 672-73. 



Pleurolytoceras defined, 144. 



PI euro nautilus costatus, sp. nov., 540- 

 41 & pi. xxxvi. 



piclcher, 541 & pi. xxxvi. 



Pleurotomariidae, Palaeozoic, 568 et 

 seqq. 



Plicaiula hettavgiensis, 423 & 

 pi. xxxiii. 



iiU/is-striata, 423 & pi. xxxiii. 



Plummer, W. E., 12. 



Poko (Congo Free State). 645, 616 ; 

 rocks from, 655-57. 



Polytropina, gen. nov., 575-76. 



globosa, 576-77 & pi. xxxvii. 



Porphv rite-intrusions of Abercastle- 

 Mathry district, 594-99 ; horn- 

 blendic, of Arenig district, 632. 



Portheicldy Common (Pembroke), 

 enstatite-diabase from, 591. 



Portishead (Somerset), Carb. Limest. 

 of, 228-30. 



Posidouiella la vis, 535 & pi. xxxv. 



sulcata, 535 & pi. xxxv. 



Postgate Hill (Yorks.), Dogger of, 

 455. 



Potteries Coalfield, flora of, 308 et 

 leqq. ; marine horizons in, 513. 



Pre-Glacial valleys (& superficial de- 

 posits) of Northumberland & Dur- 

 ham Coalfield, 64-96 figs. & pi. ix 

 (map). 



Premier Mine (Transvaal), diamond 

 from, exhibited, lxxxix. 



Presidential address, xlvii-lxxxvi. 



Prestwicii bequest, x ; medallist, 



XXX. 



Pretoria (Transvaal), map of district 

 E. of, 680 ; & Middelburg districts, 

 glaciation of, 687-88. 



Precmont, G. F. J., Notes on the 

 Geological Aspect of some of the 

 N.E. Territories of the Congo Free 

 fetate, 64.1-55 w. sects. & pi. xlii 

 (map). 



Prionastrcsa sp. (Eocene), 174. 



3 F 



