﻿Vol. 64.] 



GENERAL 1^'DEX. 



6o< 



Pegu Divigion (Arakan Series), 606, 

 607 et seqq., 618-21, 641. 



Pekina Hiil, see Orroroo. 



Pen Lledwen (Pembrokeshire), soda- 

 aplite of, 283-84 w. chem. anal. & 

 pi. xxix (microscop. sects.). 



Peudleside Series, local unconformity 

 (in Midland area) betweeii Oarb. 

 Limest. and, 63-64, & fig. on p. 62 ; 

 inter-relat. of Lr. P. & uppermost 

 Avonian, 402. 



Penrhiw Series (Pebidian), 366-68. 



Fentacrimis sp. nov (Trimingham 

 Chalk), 403. 



Pentire (Cornwall), origin of pillow- 

 lava near, 264-72 & pis. xxvii- 

 xxviii. 



Pentreath (Anglesey), specims. of 

 weathering from, cxxix. 



Pen-y-graig Ash (Grlyn Ceiriog), 669. 



' Pepper-and-salt ' amphibolite, 138. 



Peridotite, hornblendic, of Grlenda- 

 lough, 477-80, figs. & chem. anals. ; 

 do. of Greystones, 492-94. 



Permian geology in Geol. Soc. publi- 

 cations, Ixxxiv-lxxxv ; Perm. (?) 

 sandstones of Exeter district, foot- 

 prints in, 496-500 & pi. li. 



Permo-Carboniferous plants fr. Yer- 

 eeniging, 109-26 figs. & pis. ix-x. 



Peter, E., .521. 



Peter, J., 512. 



Peterborough (Northants), Metrio- 

 rhynchiis hrachyrhynchus fr. Oxford 

 Claj near, 345-57 figs. & pis. xl- 

 xli. 



Petersburg Eanges (S. Australia), 

 erratics in Cambrian till, 240, 245- 

 46 figs. & pi. xix. 



Petrography in Geol. Soc publica- 

 tions, civ-cxi. 



Petrology of W. Liberia. 313-15. 



Phacoidal calcite in Podclojiowya- 

 Limestones, 426 fig., 427. 



Phyllites showg. effects of alternating 

 strain-slip, 308, 311 & pi. xxxiv 

 (microscop. sects.). 



Physiography in Geol. Soc. publica- 

 tions, cxiv-cxxi ; pliysiogr. of W. 

 Liberia, 315-16; of Wey K.-basin, 

 318-34 w. map & pis. xxxvi-xxxvii 

 (maps). 



Picrite, hornblendic, of Greystones, 

 475. 



PiDGBON, see Daniel-Pidgeon Fund. 



Pilite (acicular tremolite), 480. 



Pillow-lava nr. Port Isaac, origin of, 

 264-72 & pis. xxvii-xxviii. 



Pisolites, general characters of, 215. 



Plant-remains fr. S. Africa, 83-126 

 figs. & pis. ii-x. 



Platforms, scs Bodmin Moor. 



Fleuroioma Stofimnii (1), 641. 

 Pliocene marine platform of S.W. 



Cornwall, 384 et seqq. ; Plioc. 



strata at Trimingham, 405, 411 ; 



Plioc. of Burma, 606, 613-14, 615- 



17, 62L 642 et seqq. 

 Plum Creek (Ohio), as a chronological 



measure, 149 ef seqq. 

 Pont-y-meibion (Glyn Ceiriog), sect. 



to Pone Bell, 552. 

 Poole, H. S., [exhibits coal-pebble fr. 



Nanaimo], iii ; [on chronology of 



Glacial Epoch in Brit. Columbia], 



150. 

 Porcellanite, definition of, 367. 

 Forosphcera, its distrib. in Chalk, 403- 



404. 

 Port Germein (S. Australia), sect, to 



Mt. Grainger, descr. & fig. 254-55, 



256. 

 Port Isaac (Cornwall), origin of 



pillow-lava near, 264-72 & pis. 



xxvii-xxviii, 

 Port-na-Cuilce, see Colonsny. 

 Porthclais (Pembrokeshire), 365, 377- 



79 w. map. 

 Porthli.sky (Pembrokeshire), 367, 



372. 

 Portbmelgan (Pembrokeshire), idio- 



m Orphic pyroxenes in sill at, 276 & 



pi. XXX (microscop. sect.). 

 Portland Oolite, interspaces in, 207. 

 Portugal, hypsometric map presented, 



ii. 

 Posido7iomya''L\mQB.ior\Q& in Lough- 

 shinny area, 422-28 figs., 433 et 



seqq. ; fauna of do., 444-49, 450-52, 



454. 

 Post- Bala age of St. David's-Head 



' rock-series,' 292. 

 Post-Cretaceous intrusions in W. 



Liberia, 315. 

 PosTLETHWAiTB, J., [exhibits specims. 



fr. Borrowdale], cxxxii. 

 Power, E., obituary of, Ixviii. 

 Pre- Cambrian geology in Geol. Soc. 



publications, Ixxv-lxxvii ; see also 



Proterozoic, cf"c. 

 Prehnite (?) in St. David's-Head 



rocks, 285-86 & pi. xxx (microscop. 



sect.). 

 Pressure to which rocks have been 



subjected, determination of, 227- 



31 ; pressure-solution, surfaces of, 



224-26 fig. & pi. xviii. 

 Prestwicji medallists, list of, xxxiv. 

 Priests' Hill, see Daniel's Wood. 

 Productus concimms, 76. 

 humerosus Beds of Caldon Low 



44. 



lovglspmtts, gens of, 76-77. 



'pmhoKideas, 466 k pi. 1. 



