766 
Oolite (Upper), of Sutherland, breccias 
in, 194, 290-312 figs.; see also. In- 
ferior Oolite, Great Oolite, gc. 
Oolite-escarpment, in conn. w. water- 
shed, 223, 224, 225. 
Opalinid-Bed in Sodbury Tunnel, 
734-35. 
Ordnance maps of Yorks, &c., 484. 
Ordovician age of Tremadoe Series, 
131, 148-49. 
Orido, explanat. of term, 715. 
Orthoclase fr. Bunter Pebble-Bed, 626; 
in Ceylon rocks, 420, 681, 683; 
graphic intergrowth w. scapolite, 
685-84 fig. 
Orthogneisses of Ceylon, 401. 
Ostrea liassica, mutations of, 720. 
Ostrea-Beds (Lr. Lias), 719-20, 727, 
728. 
Oullins (Lyonnais), sect. to Sathonay, 
462 fig. 
Overdeepening of valleys, sce Hanging 
valleys. 
Overflow-channels of glacier-lakes, 
features of, 480-81, 483 eft seqq. 
Overflows, direct, 481-82; marginal, 
482-83. 
Overlaps in conn. w. 
217-19. 
Overthrusts & other disturbauces in 
Braysdown Colliery, &c., 609-19 
figs. ; overthrust-fault north of 
Whitestrand (I. of Man), 644 fig. 
Owen (Kerry), coast-sect. to Dunquin, 
descr. & fig., 229-35; coast-sect. to 
Coosmore, do., 235-40. 
Oxbows, deserted, 486, 542-45. 
Oxdale Slack (Yorks), 547 e¢ seqq. 
Oxford Clay, Upper, nr, Somerford, 
&e., 750. 
Oxfordian of Sutherland coast, 308- 
309. 
Oxfordshire, Lias of, 267 et seqq.: 
diagr. of gaps in do., 274. 
Oxynotus-Beds (Lias), 728. 
river-systems, 
Paleoliths fr. Englefield & Welwyn, 
exaai: 
Paleoschisma, subgen. nov., 335-36. 
girvanense, sp. noy., 386-37 & 
pl. 1x: 
Palagonite-basalt & palagonite-tuff in 
Europ. Turkey, 153, 155. 
Paradoxidian age of Hollybush Sand- 
stone, &c., 132. 
‘ Parallel or successive sequence, 483. 
Pass, A. C., Ixxx, 279, 288. 
Partison, 8. R., obituary of, lxii. 
Peak (Yorks), Glacial geol. of country 
betw. Cloughton and, 544 et seqq. 
Pecopteris tenuifolia, 3. 
GENERAL INDEX. 
[ Nov. 1902, 
Pecten cingulatus (Y), 720. 
aff. textorius, 724. 
var. spp. (Liassic), 
characters of, 721. 
Peel (I. of Man), Red Sandst. Rocks 
of, 633-46 figs. & pl. xxxili (geol. 
nap). 
Pelé, Mt. (Martinique), 346. 
Pentraeth district (Anglesey), jaspers, 
&e. of, 425 et segq. 
Pen-yr-argae (Anglesey), relats. betw. 
felsite & granite of, 676-77 fig., 678. 
Pen-y-Castell Fault (S. Wales), 215. 
Pennsylvania (U.S8.A.), Phyllocarida 
fr. Chemung & Waverly Groups 
uf, 441-49 & pls. xvii-xix. 
Perisphinctes gracilis, 741. 
Permian breccias of Notts, &c.. 187— 
90; of Devon, 190-91; of the 
Thiringerwald, 191-92 fig.; Perm. 
age of Red Sandst. Rocks in Peel 
district, 640-42; Perm. (& other) 
rocks in N, of I. of Man, 647-61 w. 
geol. maps & sects. 
Permo - Carboniferous, so-called, of 
N.S.W., 24, 27. 
Persia, breccias in, 199-200. 
Petroleum and coal-depositsin Kurop, 
Turkey, 150-62 fig. & pl. iv (geol. 
map. 
Petrological ideas, evyolut. of, 1xiii- 
Ixxvill. 
Photographs, geological (Brit. Assoc.), 
common 
v. 
Phyllites, jaspery, of S.E. Anglesey, 
427 & pl. xv (microse. sect.). 
Phyllocarida fr. Chemung & Waverly 
groups of Pennsylvania, 441-49 & 
pls. xvii-xix. 
Phyllotheca australis, 4, 14-17. 
deliquescens, 17, 22 & pl. i. 
Pickering, Vale of (Yorks), ancient 
glacier-lake in, 499-502, 504-505 w. 
map; eastern end of, 556-62 w. map. 
PipaGeon bequest, xii. 
Pillowy structurein Anglesey diabases, 
427-30 figs. 
Pinhay Bay (Dorset), 280, 281. 
Pinite fr. Bunter Pebble-Bed, 627. 
Pitons of St. Lucia, 346. 
Pittiwela (Ceylon), 687. 
Piumogna (Switzerland), 
valley of, 706, 707. 
Plagioclase in Ceylon gneisses, 689. 
Planorbis-Beds (Lr. Lias), 728. 
Plant-remains in Sutherland breccia- 
beds, 3807-308; fr. N.S.W., 1-27 
fig. & pl. i. 
Plas-einion (Anglesey), 677. 
Plastic deformation of rocks, lxxvii— 
Ixxviil. 
hanging | 
