I·

547

GENERAL INDEX TO VOLmm eXIV

Aberystwyth Grit-s, sedimentation &0. of, 163- 95. figs., pis. vi-vi ii.

Aden, acro ·magnetic sect. to Derbera, 99-101, figs.

Aden, Gulf of, junction w. Red Sea & E . African Hift Valley, 83, 84 fig.; acro.magnetic soct. across, 99- 101, figs .

Ml'ica. (southern), Carbo continental de· posits of, 50- 1; Permiun dit.to, 54-5, 58-9 j 'l'!'iassic ditto, 62; Juro.ssic ditto, 65-6.

AOlm. D. V., discusses 'Valmsloy's paper, 517.

Albart, Lake, Rift Valley, gravity anom· alies ovor, 85, fig., 86.

ALLENDER, E. , discusses H olland's paper. 480; Wahnsley's paper, 518-9.

Alteration in St. Austell gra.nite. 20()-25, figs, anals.

America. (South ), Carb. continenta.l de· posits of. 49; Permian ditto, 54, 58 ; Triassic ditto, 61-2; Jurassic ditto, 65.

Amphi~site8 urei, 436, 446 fig., 447 . Amygdales, in lavas of Builth Volcanic

Series, 140, pI. v, 141, 142, 143 fig., 154-8.

ANDERSON, J. G. C., discusses ':Vood & Smith's paper, 102.

Anta.rctica., Carbo glaciation in 48-9, pI. iv; Pormian. continental deposits of, 53, 58; Triassic ditto, 61 ; Jurassic ditto, 65.

Anthraconaia pulchella sp. nov., 523- 9, figs. ; A. pulchella Bed, Oldham, 529- 39, figs.

Anthrucosia. rich band replaced by A lIthraconaia·rich band, Coal1\feasuros, Oldham, 539.

Arabia. continental block, 3, 5, 6 fig ., 7 et 8qq. ; sect. showing lava·flows on , pl. 1; projected & stream profiles for, pIs. i & ii; A. erosion surface, 9- 10.

AUDEN, J. B., discusses Quennell's paper, 22; King's paper, 74-5.

Australia, Carbo continental deposits of, 52; Permian ditto, 56--7 , 60-1; Triassic ditto, 63; J w'assic ditto, 66.

Autometasomatism, in spilites of Builth Volcanic Series, 137- 62.

Avonian (Upper). See Cawdor Lime· stones.

Bailey Hill Beds, Knighton, 450, 451-3 , 457- 9,473-4; lists of fossils, 475--7.

Baileycroft Quarry. 418. 419 fig., 420.

Bairdia cf. legmncn, 438 fig., 441, 446 fig., 447.

Bairdiolitc8 clevatus sp. nov., 438 fig. , 441,446 fig., 447.

BARnER, A. J., discusses Sutton & W at· son's paper, 256.

Batholiths, Ny l!'l'iesland, 318-9. BA'l"l'EY, M. H ., discusses Nicholls's

paper, 161-2. Ben Eagach Schist, 27 table, 29, 30-1. Ben Lawel's Schist, 27 table, 29, 30-1. Berbera, aero·magnetic sect. to Aden ,

99- 101 , figs. B eyrichio1)Sis cornuta, 439, 440 fig., 441,

446 fig., 447. Binaniller, rafts in Donegal Granite at,

291-2, fig. Biotite-muscovite.granite, St. Austell,

202, 204, anals. BISA'X, W. S., discusses Shirley 's paper,

421l-7. Blail' Atholl Series, P el'thshil'e, 27 table;

lithological variations of, 28; litho· logical belts of, 29, fig., 30.

BolbozoeUa gen. nov., 445. -- nodosa gen. et sp. nov., 440 fig.,

441, 445, 446 fig ., 447. Bonsn\l fault, 415, 423. 424. Bounce-cnst-s in Aberystwy th Grits,

168, 182. Bounda·I'Y Slide, Schichallion , 26, 28 ct

sqq., 3-:1:, 38 et sqq.; structural con­tours on, 41 fig.

BOWES, D. R. , discusses R ast's paper, 44-5.

BROADJIUUST, F. M., Anthraconaia pul. chella sp. nov. , and a study of pa.laeo· ecology in t he Coal Measures of t he Oldham. a l'ea. of Lrtncnshil'e, 523-4 1, figs. , M 3- 5.

BRoeK, B. B., discusses King's paper, 73-4.

Brook House area (UsI{ inlier), gaol. map of, 500.

Bucknall (Shropshire), correlation of Ludlovian in Welsh Borderland, 469-72; ditto of Dow·ntonian , 472--3.

Builth Volcanic Series, n.utometaso­m atislll in, 137- 62. figs., pI. V .

DULLARD, E., discusses Girdler's papal', 102.

BUTLER, A. J. , discusses ""almsley 's paper, 517.

Caledonia.n sequence in Ny Friesland, 307-42, figs., pIs. xiv & xv.

548 GENERAL INDEX [vol. cxiv,

Caledon iclos, N.W. Highlands, structures in, 231-57, figs., pI. ix.

CALVER, lU. A., discusses Broadhurst's paper , 542.

Carbonife rous continental deposition in Gondwanalancl, 48-53, plo iv.

Carboniferous Limestone. l\Ion yash­Wir kswol'th area, 411- 29, figs., pI. xx .

Cawdor Limestones, 412, 4 14-5, 416 et sqq. ; ostrncod fauna. of, 435-48, figs .

Cawdor QUl1ny (i\Iatlock). 414, 416-7 ; ostracod fauna of limestones of, 435-48, figs.

CHEE SMAN, n . L. See PITCH.BH, ,V. S . China Clay Hock, St. Austoll, chom.

ana·l. of, 222. China Stone, St. Austell , petrography

of, 209 j alteration in, 201) et sqq. Clarach (Cards.), soct. in Aborystwyth

Grits at, 174. Clay -mica aggregate, St. AusteU, com ­

position of, 212, 213, 222 ltl1als. Cl ibberswick block, Unst, 109, J J ] , 113. Cl un Forest (Shropshire), correlation of

Ludlovian in Welsh Borderland, 469-72; d itto of Downtonian, 472-3.

Coesite, 40l. COLLINS, It. S., d iscusses Sutton &

Watson's papel', 256. Composite (& multiple) beds in Aberyst­

wyth Grits, J 73. Conglomerates of the Phy llite Group,

Shetland , 122, J 23; pebbles of, 124; see also Fww;ie conglomerat.e.

Continental dl'ift, 48 , 53, 57-8, 61, 64, 613-9, pI. iv, 70 et sqq ., 405- 6.

Convolute bedding in gre)"vnckes of Aberystwyth Grits, 170, 171 fig., 172.

Creag Varr (Perthshire), refolded folds at, 33, 34, fig.

Creep, in Abcryshvyth Grit beds, 184---5, fig.

Cretaceous palaeogeogl'aphy of Gon d · wanahtlld, 613-S.

Cribl'Oconcha ? insculpta sp . nov., 438 fig. , 439, 443 , 440 fig., 447.

Gribroconcha perple..7xt sp. nov. , 438 fig ., 442-3, 446 fig., 447.

Croc\crnore, rafts in Donegal Grllnite at, 292-3, m ap .

Cmrent - bedding in Aberystwyth Grits, 182- 3.

groywackes of 170, 171 fig.,

Dahlak & Farsan I s ., gravity anomalies across Hed Sea at, 90, fig .

Dall'adian , POl'thshi re, 27 table, 28; D. envelope to main Donegal Granit.c, 263, 265- 8; D. successions in NW. Donegal , 264.

D oad Sea Hift, 1- 24, figs., pIs. i & ii. Deposition surfaces, Doad Sea Rift,

6,7.

Derbyshire. See Monyash & Cawdol'. DOI'ryloaghan, rafts in Donega.l Granite

Rt, 295- 6. Dorryveagh Mts, raft. zone in Donega.l

Granite on, 287- 9, ma.p, 290 fig. Discoidclla cf. convexa, 437, 440 fig., 446

fig., 447 . DistUl'bancc, belt of, Kn ighton district,

464, 465 sects., 466, fig., 467-9. DIXEY, ))'., d iscussos Quenne ll's paper,

19 ; King's paper, 71- 3; Walker's paper, 392.

Dor.LAlt, A . T . J., discusses Exloy's paper, 228.

DOllOgal (NvV.), Dall'adian successions in , 264.

Donegal Granite, Main , 259-305, figs., pIs. x-xiii.

Doochary (Donega.I), m ap of banding in granite at, 275, fig.

Downtonian (& L ucUovian) , of Kn ighton district, 449-82, figs ., pI. xxi; of Usk in li el', 485, 496- 7, 510- 1.

DH I~VEH, H . I. (& R. JOHNSTON), the lower margin of the Shiant I sles s ill , 343- 65, figs., pis. xvi & xvii.

Duich , Loch, & Glonelg, structures in Caledonides botween 231-57, figs., pI. ix .

D UNJlAM, K. C., discusses King's paper, 74.

Dykes, R eyd arfjordul'. 383- 7, figs. , 388.

E AOA.R, R. 1\<[. C., d iscusses Broadhurst's papol', 541-2.

EARl', J. R ., discusses Holla,nd's paper, 480- 1 ; ' ;Vahnsley's paper, 519.

Earth, crust of, 396- 8, 402 et sqq .; lmmtle, 398-401; gravity sl iding in, 402-3; contracting volume of, 402-4.

East Afr ican Rift System, extent &. d imens ions of, 79- 81, m ap.

EDEN, R. A., discusses Sh irloy's paper, 425--6.

Egma erosion surface, Dead Sea Hift, 8-10.

Erosion surfaces, Dead Sea Rift, 6, 8--10, 12-15.

Europe & Ny Fricsland, Caledonian soquence comp., 337.

EXLEY, C. S., m agmatic differentiation & alteration in the St. Austell granite, HI7-227, figs ., anais., 228-30.

F a l'san & D ahlak I s., gravity anomalios over Red Sea a.t, 90, fig.

}"'aults, Ny Fricsland, 317-8, 321 ; Usk inliol', 502 m ap, 503-4, 505, 506; 8ee also Disturbance.

Fetlal', structur~ of, 108, 110, 11 2 maps, 11 6-2 1, maps & sectS.

FLlNN, D. , on the nu.ppe struct.ure of NE. Shetland, 107- 34, figs.

Fluorite-granite, St. Austell, composi­tion of, 204, 214, 215. 2 l 8, ana.ls.; alteration in , 200, 2 10 fig.

I

/.

/. I·

part 4] GBNERAL INDEX 549

Flute.casts in Abel'y~twyth Grits, 168, pI. vii, 180, 182.

Folds, Schichallion complex, 31-40, figs.; Usk inliol', 501, 502 mn.p. 503, 505- 6 ; see also Distm·bance .

Forest Beds (Ludlovian), of Usk inlior , 486, 400- 1 j lists of fossils, 400 fig., 512-5· correlat ion of 507-8 51 0 ta.ble. • , .

F ,'agmented beds in groY'vackes of Aberystwyth Grits, 172, pI. vi .

Funzio conglomerato, 1''otl801', 118, 119, 125- 6, 130.

Gal'bh Eilean sill, Shiant Is" 343- 65, figs ., pts. xvi & xv ii.

Geology, 50 years' progress in, 395-410. GJRDLER, R . ''',' discusses Quennell's

;eapel', 23; on the relationship of the Hod Sea to the E. African R ift System, 79-102, figs ., 104-5.

GILL, \ V. D., d iscusses Pitcher & Rond's papol',303.

Glonolg & Loch Duich, structures in Caledon ides bet.ween, 231-57, figs., pI. ix.

Glonlehoen, rafts in Donegttl Granite at, 293-5, fig.

Glenveagh, rafts in Donegal Granite at, 289-91.

Gondwanaland, Pa\neozoic & Mesozoic pa\aeogeography of, 47- 77, pI. iv.

Grad ing in greywackos of Aborystwy th Grits, 166, fig., 1.70, 183.

Gran ite. See Donegal &1 St. Austell granite.

GnA-o-",{THAl\{, D. R., discusses Gi1'dlo1"s papor, 104.

Gmvity obser vations in E. African Rift System, 85-6, fig.; in Hod Sea ares, 87-90, figs ., 96-8, 103--4, fig.; inter· pretation of, 91-2, fig.

Groen Downtoniflll, Knighton, 450, 455-6; l ist of fossils, 477-8.

Greonland & Ny F rieslancl, Caledonian sequence comp., 337-8.

Gnl~ENsiHlTH, J . '1'., discusses Broad. hurst's paper, 543.

Cl'oywl1ckes, Aberystwyth Grits, litho· logicsl featlll'es of, 165- 73, figs., pis. vi-viii : lateral val'iaLiOIl in, 174-80, fig.; g,.mudstone ratios, 177, 17S-9 fig.; doposi t ion of, lS0-6.

Grits. See Aberystwyth Grits. Groove-casts in Aberystwyth Grits, 16S,

182. Gulph fault, 417, 418, fig., 423--4 .

HAHLAND, W. B., discusses Pitcher & Head 's paper, 302; on tho Cale­donian soquence in Ny Friesland, Spitsbergen, 307--40, figs., pIs. xiv & xv, 341-2.

HAWKES, L., discusses King's paper, 74; vValker's paper, 391-2; some aspects

of the progress in geology in the last fifty years, 11, 395-4 to, fig.

fIealdict comigera., 438 fig., 439, 442, 446 fig., 447.

Hecls Hoek Forma.tion, Ny Friesland, 308, 313-5; rocks underly ing, 315; H.H. complox, 320-30, sects . ; H.H. goosyncline, 330- 1.

HENSON, F. R. S., discusses Quennell's paper, 19-21 ; Girdlol" s paper, 102--3.

HOLLAND, C. H. , the Ludlovian & Down · tonian rocks of the Knighton distr ict, Radnol'shire, 449- 7S, figs., pI. xxi, 4S1-2; discusses ,"Valmsley's paper, 517.

HOLLINGWORTH, S. E., d iscusses vValkor's paper, 392.

HUDSON, Ho. G. S., discusses King's paper, 70-1.

Iceland. See Reydarfjol'dur. India, Carbo continonhltl deposits of,

5 1-2: Permi.m ditto, 55- 6, 59-60: l'l'iassic ditto, 63; J urassic ditto, 66.

JENKINS, T. B. H., discusses paper by Leitch & othol's, 431.

JOHNSON, G. A. L ., discusses Shirley's paper, 426, 42S- 9; nobinson'g paper , 448.

J ohnston, R. See DREvr::n, H . I. JONES, D. G. See OWEN, T. R. JOl'-""ES, O. T ., discusses Wood & Smith 's

paper, 190-2. Jordan Valley, 4 fig., l1. JOYSEY, K. A., d iscusses Broadhurst's

papel',542. JUl'assic continental deposits in Gond.

wanaland, 65-6.

Kerry (Montgomeryshire), correlation of Ludlovian in Welsh Borderland, 469-72; d itto of Downtonian, 472--3.

Kinardochy, Loch (P erthshire), folds, 36, fig.

KING, B. C., di scusses ROost's paper, 44; N icholls's paper , 162; Sutton & W'atson's papOl', 256.

ICING, L . C., basic pallloogeogl'aphy of Gondwanaland during the late Palaeo­zoic & l\Iesozoic erns, 47-70, p I. iv, 75-7.

Kirkbya quadrata sp. nov., 437, 440 fig., 446 fig., 447.

Knighton (Rsdnorshire), Ludlov in.n & Downtonian of, 449-S2. figs., pt xxi.

KNILL, J . L., discusses Wood & Smith's paper, 103-4.

Knucldns Cnstle Beds, Knighton, 450, 453-4, 4ii9-61, 474; lists of fossils, 475- 7.

Lamination in greywackes of Aberyst. wyth Grits, 170, 171 fig., 183.

Lathkill Dale (Do rbyshil'e), 413. 416.

550 GENERAL INDEX [vol. cxiv,

Lo.t.hkill Limestones. 4 12, 413-4, 415 ct 8Qq.; map of contours ·on baso of Upper L.L. , 422.

Lava.s, of Arabia block, 15- 16, pI. i; of Builth Volcanic Series, 138-59, figs., chem. anals.; of Reydorfjol'dm, 369-83, figs.; oceanic 11 ., 399-401.

LAWSON, J . D ., discusses Holland's paper, 479; ViTalm sloy's paper, 516-7.

Lowisian & Moine, NW. Highla.nds, structures in, 231-57, figs., pI. ix.

Lithionite-granite, St. Austell , 204 a.1ln.ls. Lla.nbadoc Beds (Ludlovian) of Usk

inlier. 486, 49 1- 3, 508- 9, 5 JO table; lists of fossils, 490 fig" 512-5.

Llandogveth (Mon.). 403, 494 map, 495 sect., 499.

Llan-won Hill Beds, Knighton, 450, 454-5, 461-2, 474- 5; lists of fossils, 476-7.

Llangibby (Mon.), Ludlovian at, 497, 498 map. 499-501, map.

Llangibby Beds, Us!;;: iniiol', 489, 493-6, 509-10, table; lists of fossils, 490 fig., 512-5.

Load.casts in Aberystwyth Grits, 168-9. Loohan an Daim (Pol·thshil'e) fold, 37,

fig . Lower Ludlow Graptolitic Shales,

Knightol1, 450, 451, 457, 473 ; lists of fossi ls, 475-7 .

Lower Spilites of Builth Volcanic Series, automotasomatism in , 137-62, figs., pI. v.

Ludlovian (& Downtonil1n), of Knighton district, 449-82, figs., pI. xx i; of Usk inlier , 486, 489- 96, figs., 507-10, cor­relation table.

LudJow Bono·bed, Usk inliol', 485, 497. Ludlow (Shropshire), correlation of

Downtonian in Welsh Borderland, 472-3.

McCoNNELL, R. B ., discusses Quennell's paper, 22.

Mngmatic differentiation in St. Austell granite, 197-206, 225,

MALONE, A. B., discusses Gil'dler's paper, 103-4, fig.

Marl , contact w. picrite, Shiant Is. sill, 345-9, figs,

Matlock. See Cawdor Quarry. Matlock Da.le (Derbyshire), 416-7. l\fesozoic (& P alaeozoic) paJooogoography

of Gondwanaland, 47-77, pI. iv. l\fetosomatisID, See Autometa.somatism. Microeheili1lella subcorbuloide8, 441-2,

446 fig., 447. Mierocoelonella? tubereulata sp. nov.,

440 fig., 443-4, 446 fig., 447. Millclose Mine, 413, 414, 421, 424. MI'l'CHELL, R. C., discusses Quennell's

paper, 432--3 . Mohorovicic discontinuity, 396, 397 foot ·

noto, 398 et sqq,

Moino thrust, Torridonian &, 247- 50, figs.

l\loiniau, Perthshil'e, 27 table, 28; (& Lewisian) stl'LlCtures, NW. Highlands, 231-57, figs., pI. ix.

lHonmouthahire. Soo Usk inlier. 111onoeeratina sp., 438 fig ., 439, 444. -- youngiana, 438 fig., 439, 444-5. 1\IonY08h· Wirkswol'th area. (Derbyshire),

Carb. Limestone of, 4Ll- 29, figs., pI. xx.

Mudstone--greywacke variation in Aber­ystwyth Grits, 177, 178-9, fig.

Mullions in Donegal Granite, 279, 280 fig., 281, 282.

Multiple (& composite) beds in Aberyst­wyth Grits, 173, 175-7, fig,

l\funcss Phyllite block, Uust, 111, 113 et sqq .

NAIRN, A. , discusses King's paper, 71. Nappe structure of NE. Shetland,

107- 36, figs. . NrCHOLLS, O. D., a.utometnsomatism in

tho Lower Spilites of tho Builth Volcanic Series, 137- 61, figs., pI. v, 162.

NOl'ton outl ier (Dmvntonian), Knighton, 463-4.

Norwick blocks, Unst, Ill, 113 et 8qq. Norwich: Graphitic & Hornblendic

Schists, Unst, 109, HI, Il3, 127. Ny Friesland, Caledonian sequonce in.

307- 4-2, figs., pis. x iv & xv.

ODELL, N . E., discusses Hal'iand's paper, 340- 1.

Old Hed Standstone, Ny Fl'iesland, 308, 312-3; O.R .S. geosynclino, 334,

Olivino, Shiant Is. sill, 346, 347, fig., 348, fig., 349, 350 fig., 351; textural relations w. other minerals, 353- 6, figs .

Orogeny, Ny Friesland. 331-4. Ostracoda, Cawdor Limestones, 435-48,

figs. OWEN, '1' . R., discusses Holland's papor,

479; Walmsley's paper, 519; (& D. G. JONES), reply to discussion on own paper, 431-2.

Palaeodietyon, 167, fig. Palaooocology of A. pulehellu Bod, Old­

ham, 529- 39, figs. Palneozoic (& Mesozoic) palaeogeography

of Gondwanaland, 47- 77, pI. iv . Palestine continental block. See Sinai-

Palestine. PAND~~, 1. C. See PITCHER, W. S. PU1'aparehites compressa, 439 , -- inornatu8, 439, 446 fig., 447. POl'mian continental deposition in Gond.

wanaland, 53-61, pI. iv. Perthshil'o Quartzite Series, 27 table,

29.

I.

part 4] GENERAL INDEX 551

Phenocrysts, in lava.s of Builth Volcanic Series, 138-9, figs., 142-4. fig.

Phyllite Group, NE. Shetland, 113 et 8qq., 119, 121-5, 127, 129 et 8qQ.

Phylli tites, NE. Shetland, 113 et 8qq., 126-8.

Picl'ito. Shiant Is. sill , 345- 9, figs., 350 ct 8qq.

Picritic rocks, Gttl'bh Eilean, sk.-map of, 345; chem. anals. of, 356-60.

P1TCHER, W . S., 45; (& H . H. READ & OTHERS), the Main Donegal Gl'anite, 259- 300, figs., pIs. x-xi ii , 304-5.

PlatyschiMna helicites Beds, Knighton, 450, 455, 462, 463; list of fossils, 477-8.

Polar wandering, 404-6. PnENTICE, J. E., discusses Wood &

Smith 's paper, 102. Profiles, projected & stroarn, Dead Sea.

Hift, 6, 7 et8qq., pIs. i & ii . Prolapsed bedding in greywackes of

Aberystwyth Grits, 172, pI. viii. Proparaparchiles cf. Ooot«8, 439. Puon, J. C., 75. PUOR, W. , discusses Holland's papor,

479.

QUENNELL, A. M., 433; the structural & geomorphic history of the D ead Sea Rift, 1- 19, figs., pis. i & ii, 23-4.

Quweira (Arabia) bas in, ll-12.

Radnorshire. See Knighton. Rafts of country rocks in Donegal

Granite, 284- 97 , figs., pl. xii. RAMSAY, J. G., discusses Sutton &

Watson's paper, 255. RAs'l' , N., tho tectonics of the Schichallion

complex, 25-44, figs., pi. ii i, 45-6. READ, H. H. , 300-1 ; discusses F linn's

paper, 135 ; sce also P ITCHER, W . S. Red Downtonian, Knighton, 450, 456,

464; list of fossils, 477- 8. Red Marls (Downtonian), Usk inl ier,

485, 497. R ed Sea, relationship to E. African

Rift System, 79-105, figs. R EECE, A., d iscusses King's paper, 75. Reydarfjordur area (Iceland), geol. of,

367- 93, figs., pis. xvii i & x ix. HICHEY, J. E. , discusses P itcher &

Read's par.er, 303. RODINSON, •. E. , t he ostracod fauna of

the shale facies of the Ca.wdor Lime­stones, north end of Cawdor Quarry, 435-48, figs.

RonsoN, D. A ., 392; discusses Quen. neil's paper, 21- 2.

SAUlNE, P. A., cliscusses Pi tcher & Rend's paper, 303- 4.

Sacs, in la.vns of Builth Volcanic Sedes, 138, 145-8, a.nals ., 150, 151, 152, 153- 4.

SANDFOUD, K. S., discusses Harla.nd 's paper , 34l.

Sa.xa Vord block, Unst, 109, Ill , II et sqq.

Schichallion complex, tectonics of, 25-46, figs., pI. iii.

SUACKLE'L'ON, R. M., in d iscussion of Flinn's paper, 135- 6; discussos Pit· cher & Road's paper, 302-3.

SUAW, S. H., discusses Quennell's p aper, 2J.

Shetirmcl, nappa structure of. 107- 36, figs.

Shiant I sles si ll , 343- 65, figs., pIs. xvi & xvii.

SmnT..EY, J ., the Carbo Limestone of the l\Ionyash-Wirl{sworth area, Derby­shire, 4 ll- 25, figs., pl. xx, 427-8, 429.

Sill, Shin.nt Is., 343- 65, figs., pIs . xvi & xvii . .

SnU'soN, S., discusses W'ood & Smith's paper, 103.

Sinai erosion surface, 9- 10. Sinni .Palestine continental block, 3, 5,

6 fig ., 7 et 8qQ.; projected & stream profiles on, pI. i i.

Sludge-casts in Aberystwyth Grits, 169, 184, pI. vii .

Slurried beds in Aberystwyth Grits, 173, pI. viii .

SlIUTH, A. J. See ' VOOD , A. S"'OTH, W. CMIPBELL, discusses Exloy's

paper, 228. Sor"ol\[ON, J. D., discusseS Girdler 's

paper, 104. Speckled Grit. Beds (Downtonian) , Usk

inlier, 485, 407. Spi lites. Sce Lower Spilites. Spitsbergen. See Ny Frieslo.nd. SQUlRRELL, H . C., discusses Holland 's

paper, 480; W almsloy's paper , 518. St . Austell granite, magmatic differont ia·

tion & altoration in, 197-230, figs ., ana ls.

Stanton syn cline, 420, 421, 423. Stoneycroft Quarry, 41 8, 419 fig. STRAW, S. H., di.'WUBses Holland's papor,

478-9; Walmsley's paper, 516, 5 17. Svalbard, distribution of older rocks in,

310 fig.; pre-Carb. rocks of, 311 map; S. orogeny, 334---5; Ny Fries· land Caledonian soquence in, 336-7.

STUnnLE}'IF.LD, C. J., discUSSQs Holland 's paper, 479.

SUTl'ON, J. , disousses Pitcher & R ead's paper, 303; (& J . WATSON) , structures in the Caledon ides between Loch Duich & Glonelg, NW. Highlands, 231-55, figs., pI. ix, 257.

'1'AYLOR, J. H ., discusses Wood & Smith's paper, 102-3.

Tear8all I·'ann Lava, 415, 421.

552 GENERAL INDEX [vol. cxiv,

Toschenite & tosohenit io rocks, Shiant I s. sill , 344. 345. fig., 346 et sqq.; chem. anoIa. of, 357, 358, 359.

1'ct-rasacculu8 cf. 1nirabilis, 436, 440 fig., 441, 446 fig., 447.

Thingmuli volcano (I celand ), 368 map. 374, 382, 383, 385, 390.

TOMKEIEFl', S. I., cliscusses Extoy's paper, 227-8.

'l'orl'idonian, Moino thrust &, 247-50, figs .

TOZEll. C. F., 301-2 ; scc also P ITCHER, W. S.

'l'l'awenagh Bay Gran ite, Donegal, 269, 297-8.

Trinssio continontal deposits in Gond· wanaland. 6 1- 4, p1. iv.

TROTTER, F. M., discusses W almsley's paper, 518.

'rl'Ostrey (M'on.), sect . in '~Tonlock Series at, 487- 8, fig.

T UCKER, E, V., d iscusses ViTa lmsley's paper, 517- 8.

'£urbidit.y currents, deposition of Aber­ystwyth Gl'i t-s by. 187-9.

Unconform ity, sub·Carb., in Ny Fries­land,316-7.

Unst, structw'e of, 108 map, 109-16, maps, 120 sects.

Usk inlier (Mon.), geol. of, 483-521, figs., pI. xxii.

Valla Field block, Unst, 109, 114 et sqq. Via Gellia (Derbyshh'e), Carbo Lime­

stone of, 415. Via Gollia Limestones, 412, 413. VINCENT, E. A., d iscusses Exley'3

paper, 227. Volcanism, Dead Sea Hift, 15- 16.

Wadi Al'aba, 4 fig., 5.

WALKER, G. P. L., geology of the Reydarfjordur area, oastern Iceland, 367- 91, figs., pIs. xvii i & xix, 392--3.

' V AL MSLEY, V. G., the geology of t he Usk inlior (Monmouthshire), 483-516, figs., pI. xxii, 519- 21-

' Vashouts in groywacJ<es of Aberyst­wyth Grits, 173, pI. viii, 183.

' VA'£SON, J. See SU:J.'TON, J. ,"VEIR, J., diseusses Broo.dhurst's paper,

543. Wenlock Limestone, Usk inEer, 486,

487-9, fig., 506-7; lists of fossils, 4DO fig., 512--5 .

Wanlock Shale, Usk inlier, 486- 7, 506-7; lists of fossi ls, 490 fig ., 512-5.

Wern Quarry Beds, Knighton, 450,454, 461, 474-5; lists of fossils, 475-7.

,"VES:J.'OLL, 'I'. S., discusses Wood & Smith's papor, 103; discusses Broad­hurst's paper, 542-3.

WmTARER, J. MeD., d iscusses "Yalms­ley's paper , 517.

"YmT'XARD, "r. l!'., discusses Holland's paper, 480. "rJIITTEN, E. H. T., discusses Rast's paper , 45; Exloy's paper, 228 ;Sutton & Watson 's paper , 256- 7.

' Virkswor th ·i\fonyash area (Derbysh ire), Carbo Limestone of, 4 11- 29, figs. ,

pI. xx. Wil'ksworth quarries, 417- 20, figs . "VOOD, A. (& A. J. SMITH), the sedi­

mentation & sedimentary history of the Aberystwyth Grits, 163-90, figs., p is. vi-viii, 104-5.

'~'OO(UlOUSe outlier (Downtonian ), Knighton , 462- 3.

" 'orm-tubes in Aberystwyth Grits, 184-5, fig.

Yellow Downtonian, Knighton, 450, 455; list of fossils, 477- 8.