THE
QUARTERLY JOURNAL
OF TIIE
GEOLOGICAL SOCIETY OF LONDON.
EDITED BY
THE ASS]:STANT-SEC[~ETARY OF TKE GEOLOGICAL SOCIETY.
Qttod si eu~ mortalium eordi et cur~e ait non tantum inventis hmrere, atqun iis utl, sed ad ulterlor,~ penetrare ; atque aon disputalxdo adversarium, sed opere naturam vineere ; denique non belle et probabiliter opinari, sed certo et ostensive scire ; tales, tanquam veri seientiarum filii, nobis {s~ v~debitur) se adjungant --Novum Orzanum, Pr~fatio.
VOLUME TItE SIXTY- F OURTH.
1908.
LONDON : LONG31ANS, GREEN~ AND CO. PARIS: CHARLES KLI~NCKSIECK, 11 RUE DE LILLE.
SOLD ALSO AT THE APARTMENTS OF THE SOCIETY.
MDCCCCVIII. Y.. fst
OF TIIE OFFIC.EItS
OF TIIE (-.~ GEOLO ICAL SOCIETY OF LONDON.
Elected February 21st, 1908.
Prof. William Johnson Sollas, LL.D., Sc.D., I~LR.S.
:Frederick William Rudler, I.S.O. 1 J. J. ttarris Teall, M.A., D.Sc.. F.R.S. Aubrey Strahan, Sc.D., F.Ir I Arthur Smith Woodward, LL.D., F.R.S. ~ctrttarie~. Prof. William Whitehe,~d Watts, So.D, I Prof. Edmund Johnston Garwood, 5i.A. ~i.Sc., F.R.S. i .~ortiCta :~ctretar12. i~rea~ur~r. Sir ArehibMd Geikie,K.C.B.,D.C.L.,LLD., I ]Io,'ace Woollaston Monekton, Treas.L.S. Sc.D., Pres.R.S. I 169169 Prof. SamuelHerbert Cox,F.C.S.,A.R.S.M. ' Frederick William R,dler, I.S.O. Prof Edmund Johnston Garwood, M.A. Prof.William Johnson Sollas,LL.D.,Se.D., Sir Archibald Geikie, K.C.B., D.C.L., F.R.S. LL.D., Se.D., Pres.R.S. Leonard James Spencer. M.A. Alfred Harker, M.A., F.R.S. Aubrey Strahau, Sc.D., F.R.S. Wilfrid H. Hudleston, M.A., F.R.S.,F.L.S. Charles :Fox Strangways. Finlay Lorimer Kitchin, ~[.A., Ph.D. J. J. Harris Teall, M.A., D.Sc., F.R.S. George William Lamplugh, F.R.S. Richard Hill Tiddeman, M,A. Richard Lydekker, B.A., F.R.S. Prof. William Whitehead Watts, Se.D,, Principal Henry Alexander Miers, M:.A., M.Sc., F.R.S. F.R.S. Heury Woods, M.A. :Horace Woollaston 5Ionckton, Treas.L.S. Arthur Smith Woodward, LL.D., F.R.S., Richard Dixon Oldham. F,L.S. Prof. Sidney ttugh Reynolds, M.A. George William Young.
~i~tant,~tcretarD, ~ltrk, r an~ IEuratar. L. L. Belinfante, M.Se.
W. Rupert Jones. Clyde H. Black. A. S. ]L Dutneall...... STANDING PUBLICATION COMMITTEE. Prof. ~V. J. Sollas, t'reside;;L Prof. W. W. Watts. ~ Secrelaries. Prof. E. J. Garwood. J Prof. S. H. Cox. Mr. H. W. Monckton. Sir Archibald Geikie. Mr. L. J. Spencer. Dr. F. L. Kitchin. ]Dr. A. Strahan. Mr. G. W. Lamplugh. Dr. J. J. H. Teall. Mr. R. Lydekker. Mr. 1]:. Woods. Principal H. A. Miers. Dr. A. S. Woodward. TABLE OF CONTENTS.
Page .Xv~k~s, Prof. FmtxI; DawsoN. On the Structure and Relations of the Laurentian System in Eastern Canada (Plates XI-XIII) 127
:BARItOW, GEORGE. The High-Level Platforms of Bodmin Moor and their Relation to the Deposits of Stream-Tin and Wolfram (Plates XLV & XLVI) ...... 384 t3ASEDOW, H. (& J. D. ILIFFE). On a Formation known as ' Glacial Beds of Cambrian Age ' in South Australit~ ...... 260
]3o~.~:Y, Prof. T. G. On Antigorite and the Val Antigorio, with Notes on other Serpentines containing that Mineral ...... 152
BI~YDOyE. REGIN:tLD MAma. On the Subdivisions of the Chalk of Trimingham~ Norfolk (Plates XLVII & XLVIII) ...... 401
BuC~:.~AN, S.S. Brachiopod Homceomorphy : ' Spb'ifer glaber' .. 27
BvRu H. Notes on the l~iver Wey (Plates XXXVI & XXXVII) 318
'CLAYDEN,Principal ARTttURWILLIAM. On the Occurrence of Foot- prints in the Lower Sandstones of the Exeter District (Plate LI) 496
DALTON, LEONARD V. Notes on the Geology of Burma (Plates LIV-LVII) ...... 604
DEwI~:Y, ItENUY (& C. REID). The Orlon'in of the Pillow-Lava near Port Isaac in Cornwall (Plates XXVII & XXVIII) ...... 064
ELSDEN, JAMES VINCENT. The St. David's-Head ' !lock Series', Pembrokeshire (Plates XXIX-XXXII) ...... 273
EVANS, the ]ate Sir Jo~IN. Some Recent Discoveries of Paheolithie Implements ...... 1
GItJ~EN, JOHN IFI~EOEI~ICK NOm~tAN. The Geoloo/ical Structure of the St. David's Area, Pembrokeshire (Plate XLIV) ...... 333
GRoo:z, Dr. TttEODORE (& P. LAKE). The Ba]a and Llandovery Rocks of Glyn Ceiriog, North Wales (Plate LIII) ...... 546 a2 iv" TABLE OF CONTENTS. Page HILL, %VILLIA~L 011 a Deep Channel of Drift at Ititchin (Hert- ibrdshire) ...... 8
Howcm~r the Rex'. WALTER. Glacial Beds of Cambrian Age in South Australia (Plates XIX-XXVI) ...... 234
ILIFFE, J. D. (& H. B:~SEDOW). On a Formation known as ~ Glacial Beds of Cambrian Age' in South Ausmdia ...... 260 LAKE, P~ILIP (& Dr. T. T. GnOOM). The Bala and Llandovery Rocks of Glyn Ceiriog, North Wales (Plate LIII) ...... 546 LEEDS,E. THURLOW. On ~letriorlqpwl~us bracl~.yrl~nchus (Deslong.) from the Oxford Clay near Peterborough (Plates XL & XLI).. 345 LESLIE, THO~fAS NICHOLAS (& Prof. :k. C. SEVr Pernlo- Carboniferous Plants fl'om Vereeniging, Transwtal (Plates IX & X) ...... 109 MATLEY, Dr. CJ~AnLES ALFRED (& Dr. A. VAt'aHA~). The Car- boniferous Rocks at Loughshinny (County Dublin), with an Account of the Faunal Succession and Correlation (Plates XLIX & L) ...... 413 PA~KINSOX, JOJ~X. A Note on the Petrology and Physio~'raphy of Western Liberia, West Coast of Africa (Plate XXXV) ...... 313
REED, FREDERICK RICHA:RD COWPER (& Prof. S. 1I. REYNOLDS). On the Fossiliferous Rocks of the Southern IIalf of the Tort- worth Inlier ...... 512
REID, CLE~IENT (& H. DE'WEY). The Oria'in of the Pillow-Lava near Port Isaac in Cornwall (Plates XXVII & XXVIII) .... 261 REYNOLDS~ Profi SIDNEY HUGH. The Basic Intrusion of Buttes- tree, near Hereford (Plate LII) ...... 501
(& F. R. C. REED). On the Fossiliferous Silurian Rocks of the Southern Half of the Tortworth Inlier ...... 512 SEWAnI), Profi ALI~ERT CHARLES. On a Collection of Fossil Plants from South Africa (Plates II-VIII) ...... 83 ---(& T. N. LESLIE). Permo-Oarboniferons I'lants from Vereeniging, Transvaal (Plates IX & X) ...... 109
SIBLY, Dr. TEOSIAS FRa~J~LIN. The Faunal Succession in the Carboniferous Limestone {Upper Avonian) of the Midland Area [North Derbyshire and North Staffordshire] (Plate I) .. 34 SonnY, the late Dr. HENRY CLIFTON'. On the Application of Quantitative Methods to the Study of the Structure and History of Rocks (Plates XIV--XVIII') ...... 171
SeICER, the Rev. E. C. Solution-Valleys in the Glyme Area, Oxfordshire (Plates XXXVIII & XXXIX) ...... 335, TABLE OF CONTENTS. V ]"Rge THo.~Isox, JAMES AI,LAN. The. llornblendie Rocks of (~lendalong'h and Greb'stones (County \Vicklow) ...... 475
~,'AUG]:IAN, ])r. 2~kRTIIUR (& l)Y. C. A. MA'rL).:Y). The Carboniferous l~ocks at Loughshinny (County Dublin), with an Account of the lqmnal Succession anti Correlation (l'lates XLIX & L) .. 413
\VooDwARD, 1)r. ARTHUI~ SMITH. 01.1 some. Fossil Fishes dis- covered by 1)rof. Ennes de So~lza in the Cretaceous Formation at Ilh4os (State of Bahia), Brazil (Plates XLI[ & XLIH) .... 358
Wnt~UT, Prof. GEORG1~ FItEDERICK. Chronology of the Glacial Epoch in North America ...... 149
WRIGHT, ~VILL1AMI]:{OURKF. The Two E,~rth-~fovements of Colons~y (Plates XXXIII & XXX]V) ...... '297
YOUNG, Dr. ALFRED PRENTICE. (-)n the Stratigraphy and Struc- ture of the T~trnthal Mt~,,s (Tyrol) ...... 59G
PROCEEDING S. Proceedings of the Meetings ...... i, cxxvi Annual Report ...... ix Lists of Donors to the Library ...... xiv
List of Forei,~n Members ...... ,...... ,..,.... xxvi List of Foreign Correspondents ...... xxvii List of \Vollaston Medallists ...... xxviii List of Murchison Medallists ...... xxx List of Lyell Medallists ...... xxxii List of Bigsby Medallists ...... xxxiv List of Prestwich Medallists ...... xxxiv Applications of tlle Barlow-Jameson Fund ...... xxxv Awards of the Daniel-Pidgeon Fund ...... xxxv, cxxix ]:'inancial Report ...... xxxvi Award of the Medals and Proceeds of Funds ...... xliii Auniversarv Address of the President ...... 1 Sl>,~cial General Meetinos ...... cxxvii, cxxxi, cxxxii LIST OF THE FOSSILS DESCRIBED AND FIGURED IN THIS VOLUME.
Name of Species. Formation. Locality. " Page
EQUISETALE8. "" "~/ { Roggeveld (Fish! Schizoneurct a]Sqcana, fig. 2 I Beaufort Series l%iver) ...... i 89
sp. a, pl. iii, figs. 1 & 2 Burghersdorp I Beds ...... ] Bm'~hersdorp...i 86 sp. fl, fig. 1 ...... } StormbergBeds.! Basutoland ...... ! 86-87
FILICALES,
Calli/eridium, sp., p). ix~ flg'i ~- Permo-Carboni-! 3 & text-fig. 7 ...... J 118 Cladophlebis (2bdites)"'R'~s- 1 ferous ...... [ Vereeniging ... serti, pl. viii ...... [ } Molteno Bed~ .... Indwe River ... 98 ~Da~ceopsis Hughesi , pl vi &, ] Burghersdorp fig. 5 ...... r Beds ...... Lady Frere ...... 95-97 Ganycrmopteri,~ cucloi)teroide,% [ [ pl. x, fig. 3 ...... I j117-18 Glossopte~is anyu.st@dia ...... ! i li6 --- vat. tceniopteroides ...... ] J nov. pl. ix rig.,, 2a a:~ text-, , ~[ K"OI,1, iilO-U~tl'OOlll-i -~ Yereemgmg - ... o '~ ,~ ' I It}POll S ...... ' rigs..'-o ...... I i I13-16 Browniana, figs. 4 & 5... I i 117 - i~diea ...... i 116-17 -- sv. or. ~.~f~,..,,'QT~":::'; I Ll17 Odoufopteris Browni, sp. nov., ~Burghersdorp ! pl. vii ...... j Beds ...... Aliwal North .,.! 97-98 / / ~IoIte,,o <~ ) Ind~'e mve~, i Tm~iopteris dhrru~Der.si, 17g. 6!.1 17 BedsBurghersd~ J" ete ...... : 98-99 Thi'm~/eldia odo.ntopteroides, I ( i i p.1 iv , ti g .....1 plv fig 1 , &~ CMolteno..... Beds Vaalbank, etc... 92-9r text-fl,s. 3-4 ...... I FOSSILS DESCRIBED AND FIGUI~ED. vii
Name of Species. i Formation. [ LocMity. Page
FILICALES (conHnued). Thinn~Mia sphenop[eroides, ( Molteno & : sp. "nov., pl. iv, fig. 2 & pl. v, i Burgllersdor' PljlK~176176 eta ...... 94-95 fig. 2 ...... Beds ...... ] sp., pl. ii, figs. 2 & 3 ...i • Beds...] Maudesley ...... I 95
]-~YCOP0DIACE~E. .Lepidodendro~ Pedroanum, I i ,~ 171. ix, fig. 1 ...... I ~Permo Ca, boni ~ ~120 vereenigi~gense, sp. nov.. }- for.,-o " - ~Vereeniging ... pl. x, figs. 1-2, & text-fig. Si :1119-20 S@illaria ]3rardi ...... j ...... ( [.t18
GINKGOALES.
.Baie)'ct mol[cnensis, sp. nov.,! '~ Molteno Beds...[ Dordreeht (S.A.) 99-100 pl. ii, fig. 4 ...... i J )
CO.IFEI~AL~S (?)
Conites, sp., fig. 11 ...... "~ Permo-Carboni-i Vereeniging .. I j ferous ...... 122 Stiff matoclentron dub ium, sp. nov., pl. iii, fig. 3 ...... ![ Burghersdorp 100-101 Slrobilites laxus, sp. nov., pl. v, ! [- Beds ...... uAliwal North [:I fig. 3 & text-fig. 7 ...... ) 101-102
CYCADOPIIYTA. Pter~ ~ z. sp. cf. Tiatzii, Burghersdorp _ Kraal River I pl.l,,fi,.o ...... :) Beds ...... { Bridge ...... I 103 sp., pl. ii, fig. 6 ...... i Molteno Beds.il Konings-Kroon.: 10~
CORI?AITE~E. Cordaites ttisloTi, figs. 9 & 10. { Permo-Carboni- ferous ...... Vereenigi~lg ... 120-2'2
FOm~,~mxwE~A. ~tmmulites Becm~nont, i (/) ...I ~ ' I Kve~ubok ...... I 633 Opercuiina oaucdifera ...... ! Eocene ! ~ M~nbu district -i (;3:3 Hardiei ..." ...... I J [ Magyisan ...... I (~3:3
~'~&DREPORARIA APOROSA. ~ffctt]~axo~2i~ ~'~t,]~ia~,ct, [1. x[ix. j C~/a,]~axo~2ic~- I~ ~oughshillny i fig. 9 ...... 1 /~ "Beds ...... If district ...... / 460 Vlll :FOSSILS DESCRIBED AND FIGURED.
Name of Species. Formation. Locality. t Page
~[ADItEPORARIA RUGOSA.
Careinophylbum eurkeene~tse, f DilntnophSlum- !] ( sp. nov., pl. xlix, fig. 5 ...... 1~ Limestone ... | Loughshinny ~464 (Lonsdaloid), pl. Mix, f Posidonomya- ~ district ...... fig. 1 ...... O I1 Bels( ...... t ] ~,464 Clisioplq/llum.... aft " 2@ Cb~/awam~ '~ ~-2tvoman] -- ...... ! ~arJeynrmge...... 73-74 p,. l, rig...... I J Clisiophyllid (new genus), fig. ]. Holmpatrick ~ Loughshinny 16 ...... j- IAmestone, etc. f district ...... 464--65 Cl]athoph.~/ll,am re qium ...... ) ! (Midland area ... 70 ])ensiphylhtm rushianum, sp. ; Loughshinny nov ...... t l iI dastnct ...... 459-60 1)it)unoph~llum derbiense, sp / ~ Avonian . . .i { nov., p'l. i, fig. 1 ...... it] ...... I[ Monsal Dale ... 75 . matloekense, sp. nov., pl.[ I ! I i fi~'. 2 ...... IJ I (Wenslev ...... 74-75 ~:= ~. ~1,~,.h~di, pL ~l~,l l 1)~b,,~o#V~tu,,~-! i - [ figs. 4 a & 4 b ...... } ~ Limestone ...] j Loughshinny I J 463 J)iph~phyllum subibieimtm, pl.] ] tlolmpatrick i I district ...... t i xlix, fi'g. 7 ...... if Limestone ...i [ ' [461 Koni~wkophSlum proprium, I] i I- ~so ....nov O1 " i ' fig~" 3 ...... I-~Avonian " ...... ~; ~ Wensley...... 70-71 sp ...... J ~[ Midland area... 71-7:? ...... I f _Posido~wm~da- [ ( ( -- sp., pl. xnx, rig. x~ ...... i~. Beds ...... ' { ]461 Zith~strotion cf. oflb~e, pl. xlix, i ) i Lou-h~hinny fig. 10 ...... ] J 462 -- irregutare (Diphy- ~ Avonian ...... II (llsLrlcl;~'~- '" - ...... phylloid variant.) ...... ] 3legastoma- 462 Zithostrotion-like Clisio- ] E phyllid, pl. xlix, figs. 1 & 2. i f Beds, ete .... I ~462-63 Lonsdalia duplicata, pl. i, fig.] } Avonian ...... Monsal Dale .. 72-73 ...... ,, ...... Zaphrentis Enniskilleni, pl. ~ Posido;wn~/a- ( ( xlix, tlg. 13 ...... ] / Beds .] ...... 456-57 -- Omaliasi, var. afnbigua,] ~ Lane Limestone. pl. xlix, figs. 6 a & 6 b ...... I Loughshinny 457-58
xlix, fig. 8 ...... ]~ Beds ...... , , i 458 -- (Densipbylloid), pl. xlix,] I 1)ibunophylhtm- 1 fig. 2 ...... ,f Limestone .. ' ~ ~,459
MADREPORARIA PERFORATA.
pl. liv, fig. 1 ...... i j Miocene ...... [ (Burma) ... 62270 Beaum~176 ...... ~ I~ Miehdinia fflomerata ...... f (_ 69 --- ~,tej~sto,,~ ...... [ 1455 lenuisepta, fig. 15 ...... J Avonian ...... J Loughshinny ] 455-56 var. -favositoides,]] I district ] nov., pl. xlix, fig. 11 ...... ~tJ , / [456 FOSSILS DESCRIBED AND FIGURED. ix
Name of Species. i Formation. I Locality. ~Pa~e
]~RACIIIOPODA.
~ I Upper Posidono- - " ' ~' i t #~qa-~eos ..-i/ Lougnsmnny !J~7o
A lh?/ris, cf o pta~wsulcaga ~ •~)1 " 1u ! -~ Lower"- Poddouo-~i ( district- " ..... [ ] fig. 6 ...... ; I v,ya-13eds ..~J 11469-70 Cho~etes compre,ssa non, 't I( I n ov., pl. ~, figs., 76-~~ b, & I ,I I text-fig. 6 ...... }Avonian ...... !{ Wirksworth ... 78-79 cra~sis~ria i I i I ...... /(78 -- ct.,' ~"]za.ra.rensg8 z [ ...... = /, i ,\ 1)llfllan[l Area... i {k ~o Mart&& ylabra, ]nut. 1), pl. 1, "~ "Upper .Posido;w-i ~ [ fig. 8 ...... ,. J~ ,mya-13eds ... / Loughshinny i ! 468 -- ovaliglabra, sp. nov. i I Lower Po,sidono-I~ district ...... ] pl. 1, fig. 5 ...... i f ,,,ga-:Beds ... J i[468-69 Produe~us eo~winnus ...... Avonian ...... ' . i' 76 --- 3lartini ...... } Midland Area...:: ( 76 [ Lower Posidouo- I Loughshmny i l)roboscideus, pl. 1, fig. 1 i - ,mya-13eds ... district ...... ! 466 seXosus, var. [zss&a~onen- } j sis nov, pl. i, figs]6a & Avonian ...... / Tissington ...... ~ 77 6~, ...... ~ f i striabus, pl. ~ fig ') : ] Lower Posido~w-[ (466-67 sp. nov. .. [ mya-Beds ...[ 467 { _Dit)uno]ol~ff l&t m- Regicularia li,;teala ...... Limestone, 1469 ere ...... Schizophoria resuIdna/a, pl. 1, ] Middle _Posido- 1 ~g. 7 ...... ] nomya-Beds . Loughshinny i{ 470 S2)irifer bisu[ea!us var., pl. 1. ], Lower Dosidono- district .... figs. 3a&3b ...... i j q;~ya-Beds ... 467 cf. eonvolugus, pl. l, ]Middle l~osido- fig. 4 ...... ! f nomya-13eds.. ' 468 Spiriferi,na inseulpta, pl. 1.i ~ Upper' Posido~m. tlg: 9 ...... I ] moua-lleds .. ) {.468
LA3IELLIBRANCIIIATA. A{eegrqo~da 2(cw/oni, sp. nov., "1 pl. by, fig. 4 ...... J :Eocene ...... (Subagyidan..~ .... 635-36 Area #zaae,zsis, sp. nov., pl. ' t liv, figs. 5 & 6 ...... [ ~ Magyisan ...... 634-35 J~a~issa kodou~qensis, pl. lvi,:] ( 624 Carditaprotocarieqata, pl. liv,i Miocene ...... Sawmyo ...... !t fig. s ...... "...... i : "[625 Cardium aml@mcm ...... i r Minbudistrict ..! 636 Corbula harpa ...... :Eocene ...... ~ Magyisan ..... ! 637 Jouannetia profoe.umb~gi, sp.] nov., pl. ]D, fig. 7 ."...... i/ Miocene j Toungu ...... 626 Zucimt (/lobulosa, pl. lv fig. 11 Pudoukbin ...... 625 .i ucu{a Alcoc]~'e ...... i J Mindegyi ...... : (',23 Osgrea yomaensis, sp. nov. i l pl. liv figs. 2 & 3 ...... i] J :Eocene Thabyemyoung .I 635 Telliua sp ...... Miocene ...... Sawmyo ...... i (~25-26 l~nus yra;z,,~a ...... Eocene ...... Myegya i 637 FOSSILS DESCRIBED AND FIGURED.
:Name of Species. Formation. I Localitg." I Page .
GASTEROPODA.
.~j) ~ 1 , ~. o ! i ! ~awmvo ...... 631 "8" ~ ...... i ~ I " Cant/~aruSfigs.3Iarlinia~tus, ...... pl. Iv, 6 & 7 i [MioceneL ...... I Mindegyi 630-3t Cassidea acan~ld,~a, sp. nov.,i i pl. lvii, fig. 1 ...... i) ( L Lanywa ...... l 629 CeriHdum (~), sp., pl. liv, t']E~ ~i Magyisan t 638-39 I fig. 9 ...... Co~us scMaris ...... I ( Ngalaing'young .! 632 Cyprcea E verwijni (/), pl. I lvii, tlgs. 5 & 6 ...... Toungu ...... I~ 628 .. (Cyprcedia) elef/anz, pl. Miocene ...... i I' 629 lvii, figs. 7 & S ...... Sawmyo ...... I Didor~io ca,J~cel~i~us, pl. lv, fi~,.o, 4 ...... i/I J Padoukbin ...... ~;29-30 ]?olium sp., pl. Iv, fig. 3 ...... /" 5I~gyisan ...... 639-40 F',su~ sp ...... I i Subagyidan 639 ~-a{ica (A~pulli~m) gro~sa, I var. oblo~ga, pl. lvi, figs. ;3 Eocene ...... ~ [I &4 ...... t Miabu district., 637-38 --- ( ) po~dcro.~a ...... ] ] Kvetnbok i 638 -- (----) ~phcri('c~ (?) ... ) \Magylsan ...... ! 637 (Glo/mlaria) ffibberosa, \ Miocene ...... Sawmyo ...... 627-28 ?1. ]vii, figs. 2 & b ...... J} r ::::i Oliva sp ...... Eocene .. f Kyetubck 640 J~leurotoma S[o])tmdi (/) ...... I Magyisan . , 841
Si.qaretusj'~,c~(~zu:s ...... ! iI ,/~ou.gu ...... IL 627 Terebra sp ...... J Mindegyi ...... I 6.32 Miocene Turritell~ ceczdi(,ari,~a/a, pl.:~ It3 lvii, fig. 9 ...... ! ~ Banbyin ...... ! 628 -- sp. 3 ...... i Eocene ...... i ]3,,rm~ :::::2:22 632638 Yolu~a ({) bir~J~anica, sp. ] Miocene "i J3anbyin nov., pl. lvii, fig. 10 ..... f i D'Arehiceci, sp. nov.,!'~ I t ~(;40 pl. lv, fig. 5 ...... ! Eocene ...... ~ Subagyidan ... pernodosa, sp. nov., pl. I lvii, fig. 4 ...... ] = ! \ (340
CTANOIDEt. Lepidofus S~u, zai, sp. n~v.,~ I( i! pl. xliii, figs. 1 & 2 ( Lower } Ilh~os (Bahia)..i :359-60 2II~rwso~ia ~ni~o', sp. nov., ( Cretaceous ... pl. xlii, figs. 1-3 ...... ] \ : [ 358-59
TELEOSTEI. Scoml)roclupea ~eu[Ma, sp. "1 Lower }Ilhdos (:Bahia)..i 360-61 nov., pl. xliii, figs. 3 & 4... ] Cretaceous ...
CRCCODILIA. .~eh'iorh.qncI, u s bracl~rhyn-! ' thus, pls. x~ & Mi ...... ".... ! ]j~ Oxford Clay ... I Peterborough ..J 345-56 EXPLANATION OF THE PLATES.
PAGE. [?xVONIAN CORALS ~5 ~BRAcIIIOPODS FltOI~[ THE ~[DLAND -~ I AlmA, ~o illustrate Dr. T. F. Siblv's paper on tile Faunal Succession in the Carboniferous 34 Limestone of that area ......
( SCH2ZO.~'EURA, Pr~o'zmZzr~r, etc. ; SCHZZO.W:rRA~ c~ STIG-.~[ATODEA'D~OA" ; TIHXXVl~ZDIA ; TIIIA\~ I FELDIA ~5 SI'Ir "~ I)A.V.~'OPSI,S I-f. uGIlESI ; t II-VIII ODOXTOI'TEr,ZS }3l~oTrx• sp. nov. ; and CL4DO-~ 83 r~zm~zs (TODZr~s) }~e~'SS~nTZ, tO illustrate i Prof. A. C. Seward's paper o,i Fossil Plants, l from South Africa ...... ) ( I ~v• (0 ; and L~ezDol)~xl)~oy & (§ [ Ix-x~ 2rE2~S, to illustrate Prof. A. C. Seward's & ~- 109 I Mr. T. N. Leslie's paper on Permo-Carboniferous i l, Plants from Vereeniging ...... ]
(A3IPHIBOLI'rE INVADED :BY GRANITE OF TIIE ~:~ETItUEN ) t ]3ATIiYLITH ; ' FEATIIEtt-A~IPtIIBOLITE ' ; and @EO- I ] LOgiCAL MAP oI~ PORTIONS Ot~ HASTIXGS, ]-[ALI- [ X I-XII I ~3uR'rOx, & l'm'~RnOaO~m~ CO~'NT~ES (PRovI~Cn ~ 127 Or O~TAR~O), to illustrate Prof. F. D. Adams's [ paper on the Structure and Relations of the ~, Laurentian System in :Eastern Canada ...... J
{GREEN SLATE, ~[~ANGDALE, SIIOW1NG TIlE ~BREA!,:ING-"/ UP OF A SEMI-LIQuID ])EI'OSI'r; SI~ILAR SLATE, ] SIIOWING RIPPLE-])RIFT, wl'rlI GENTLE CURRENT, & ~{,APID JDEPOSITION ; SIMILAR SLATE, WITII 3IORE CURRENT & SL0~VEIt DEPOSITION; 3[ICROSCOPE- SECTIONS OF OOLITE FRO3I GRANTIIA~[ t.~ OF ] XI V-XVIII ~, CORALLINE OOLITE FROM SCARBOROUGII; AND ~ 171 MICROSCOPE-SECTIONS OF "~'VENLOCK ~LIMESTONE ] I~gOMt~ASTHOPE ~ CARBONIFEROUS ]A~IESTONE FRO~I [ BRISTOL ; to illustrate the l:~te Dr. H. C. Sorby's paper on the Application of' Quantitative ~Iethods to the Study of the Structure atld. I, History of Rocks ...... ) xii EXPLANATION OF TIlE PLATES.
PLATE I)AGIg ([PoLISlIEI) AND IC~-SCRATCnED ]3OULDER VRO~I TILE] CAmmUaN TH,L OF PETERSBURG (SOUTiI Aus- a'~lALIA) ; GolmE Or'ThE I'l,IVmt STtmT r~ CAMBRIAN I TILL; VI~:WS OF CAMBRIAN TILt, 1~ Tim STORY- RIVER GORGE, ONE INCI,UDING A BIG SUBANGULAIL I ]3OULDER OF QUAItTZITE WITII TRANSVERSE FRAC- I XIX-XXVI TURES ; VIEWS OF CIIARACTERiSTICCAMBRIAN TILL ~ 23~ IN ~VATEICFALL CREEK, ~BAROOTA~ ~[~LINDERS RANGES~ ONE INCLUDING A BIG ANGULARERRATI~ OF (~UARTZITE ; and SECTION I~ ]:]LACKWOODI RAILWAY-CUTTING; to illustrate the Rev. W.i ]-Iowchin's paper on Glacial :Beds of Cambrian I Age in South Australia ...... )
(PILnOW-LAVA oF :PE~TIRE (CORNWALL); and T,IE~ XXVlI & ! sa~I~, SIIOWINGCENTRAL CAVITY OF A PILLOW, to I XXVIIi ~ illustrate Mr. C. Reid's & Mr. H. Dewey's paper ~, 264 I on the Origin of the Pillow-Lava near Port I ( Isaac in Cornwall ...... )
MlCROS(_!OI'E-SECTIONS OP IGSEOIJS ROCKS I~RO~) ST. DAVID'S HEAD, to illustrate Mr. J. V., XXIX-XXXII 273 :Elsden s paper on the St. David's-tiead ' Rock I Series' (Pcmbrokeshire) ...... 3
['GLEAVAGE PRODUCED BY THE SECOND ~AETII-]~OVE-~ XXXlII& i ~IE~T IN TIIE NORTII-EAST OF COLONSAY; and l XXX1V ~. mCROSCOrn-SECTIO,~S Or Pnv~mTES FRO)t TtIAT ~ 297 } ISI~AI~D,to illustrate Mr. W. ]3. Wright's paper 1 on the Two :Earth-Movements of Colonsay ...... )
f SKETCII-3IAP O1~ I~ART OF WESTERN :LIBERIA, to] XXXV illustrate Mr. J. Parkinson's paper on tho~ 313 Petrology & Physiography of that region ...... j
f ~AI" SIIOWING TIIE SIX SECTIONS OF TIlE t~IVER WEY'~ XXXV'[ ~5 J W[llCiI LIE WITtlIN TIlE WEALDEN AREA; and[ XXXVII | MAr OF ThE ALTON DISTRICT, to illustrate| 318 ~_ Mr. H. ]3ury's paper on the River Wey ...... j
t/ ]3ROOl{ "VALLEY ENTERING GLYME "VALLEY ~5 ~IOUT[I") [ OF DR)." "VALLE,Y ENTERING TIIE FORMER; TIIE] XXXVlII GLYME, W1TII SOAKAGE-:BowL AT TIIE :DoRN JUNC- & ios (WooTTos), & ThE GLY~ VALLmr, VLOODE,, ~ 335 XXXIX t to illustrate the Rev. E. C. Spieer's paper on I I Solution-Valleys in the Glyme Area (Oxibrd- I shire) ...... )
f I.IpPER AND ])ALATAL ASPECTS OF SKULLS OF M~T~Io- XL & XLI ~ ~II:~'c~'vs ~.wlzImX~wc~fus, VRO~I Tim OXV0RD~ ] CLAY, NEAR t)ETEIiBOROLIGII, to illustrate Mr. E.| 345 I_ T. Leeds's paper on that fossil ...... J
(2ll,~wso,n, ia ~H;vo~, sp. nov; and LrI, Ij)ort-s'~ [ So~A• sp. nov. & ~'co~l~ROCI.ut"rA SeCTAra, sp. 1 XLII & XLIII ~ nov., to illustrate Dr. A. S. Woodward's paper ~ 358 ! on Fossil Fishos from the Cretaceous For:nation [ of Ilh~cs (Bahia) ...... J KXPLkNATION OF THE PLATES. xiif
1)LATE PAG E ( GEOLOGICAh I~[AP OF THI~ 8% DAYID'S AREA (PE.~[- ~ XLIV i ~mOKESmRE), to illustrate 5fr. 5. F. N. Green's i 363 paper on the Geological Structure of that area..,
[WoLFm~.~-I)~:POSIT, BVTTEE.n thrift; and OLD~ I S'r~EA~-\VoI~KtNGs IN Hmn-LEvm~WAsn, to illus- I XLV & XLVI trate Mr. G. Barrow's paper on the ttigh-Level } 384 I Platforms of Bodmin Moor & their Relation to ] [ the Deposits of Stream-Tin & Wolff'am ...... )
PLANS OF BLOCKS A, B. ~5 C OF TIIE C[IALK EXPOSED~ XLVII & XLVIII o~ cue s~oRE AT TR~IINC~HA~I (:NOR~O~K), to[ [ illustrate Mr. R. M. Brydonc's paper OI1 the[ 401 Subdivisions of that formatio~ ...... j fAVONIAN CORALS FP~O~,ITIIE RUsH-SKERRIES SECTION ; [ and ]~aACmOPODS ~Ro.~I LOUGHSmN~Y (COUNTY i XLIX & L DUBLtN), to illustrate Dr. A. C. Mntley's & Dr. A. } 413 ] Vaughan's paper on the Carboniferous :Rocks at ) [ Loughshinny ...... )
(PA~T OF SLAB E, to illustrate Principal A. W.) L[ Clayden's paper on the Occm'rence of Footprints j~ 496 in the Lower Sandstones of the Exeter District.
~ICROSCOPE-SE('TIONS OF ~[GNEOUS&ALTERED ]~()CKS~ FROM BARTESTREE (]:[EREFORDStlIRI{), to illustrate[ LII Prof. S. K. Revnolds's paper on the Basic[ 501 I Intrusion at tARt'locality...... j ~EOLOGICAL MAP OF TIIE NEIGI|BOURHOOD OF GLYN ] CEIRIOG (I~ORTI[ WALES), tO illustrate Dr. T. [ LIII f] Groom's & Mr. P. Lake's paper on the Bala & [ 546 [. Llandovery Rocks of that are~ ...... 3
{ TERTLXRY FOSSH~S raO,~[ BUm~L% l:o41lustr~tc Mr. L. LIV-LVII V. Dalton's paper on the Geology o[' that country ~' (;04
CORRIGENDUM.
Page 111, lines 6-7 from the top, j%r ' Lower Carboniferous,' read 'late Carboniferous.' PROCESS-BLOCKS AND OTIIER ILLUSTRATIVE FIGURES,
:BESIDES THOSE IN THE PLATES.
Fw. Pac,~ ]. [F!int-implement from Gaddesden Row, Hemel tIempstead.]. 2
2. [Flint-implement from Ellingham's Pit, Leverstock Green, Heine1 Hempstead.] ...... 4
1. BIap of the Iti~ehin Valley ...... 9
2. Section across the Ititchin and Stevenage G~p ...... 10
3. Section through the Langley-Ippolitts Valley ...... 1~
4. Sect, ion through the tIitehin Valley ...... 16
1. Sketch-map showing the outcrop of the Carboniferous Lime- stone in the Midland Area ...... 35
2. Vertical section of tile typical Carboniferous-Limestone sequence in that area ...... 39
3. Section from Litton Tunnel to .~Ii]ler's-Da]e lime-works ...... 40
4. Diagrammatic section of Newton-Grange cutting ...... 60
5. Section in a quarry near Old Mill, east of Youlgreave ...... 62
6. Median longitudinal section of (5']~onc[cs coT,~t)rcsscc ...... 78
1. Schizoncz~ra sp. i3 ...... 87
2. Schizo~zcztr~z cf/'ric'a~a, Feistmante! ...... 89
3. Pinnules of Thi~lfddic~ odon[ol)teroide~ and Pli{,ozami[es ...... 91
4. Tlzinnfddic~ odonloloteroides ...... 93
5. I)a~ceo2sis H~ghesi, t~eistmantel ...... 96
6. T~e~zio2geris Carruthersi, Ten. Woods ...... 99
7. Slrobi[iles [axus, sp. nov ...... I03 PROCESS- B LOCKS AN D OTII ER ILLI:STI~ATIVE FIGURES. XV
Fla. PACE 1. General section at Yereeniging ...... 110
2 & 3. Glo.,sopteris a,yus/(t~/ia var. he,~iol~&roid~s, nov ...... 114
4 & 5. GlossoplcrL~ L','mc;dc~,a ...... 116
6. 6;/,.~,~o]dc;'/.~sp. cf. G:. rc.'U~ra, Feistm ...... 117
7. CaYi[d(,;.idiu;n sp ...... ]l,q
8. Zcpid:)d(.,dr,~b ccre:',iFi,.qe~sr, sp. nov...... 119
9 & 10. C,,'dc~i/.cs tIis;,),i ...... 121
11. ('o;d~cssp ...... 122
1. Sketch-map, showing the position of the Haliburton and Bancroft areas in relation to the L:mrentian Highhmds, etc. 128
2. Fragments of amphibolitc in grauii,e, pulled out into bands or streaks by the movement of the granite, near ]3arry's ]3ay (Ontario) ...... 134
3. Limestone with lit-par-lit injections of granite, Maxwell's Crossiug, township of Glamorgan (Ontario) ...... 140
-- Sketch-map of the Val-Antigorio district ...... 15~t
-- Tooth-like structure penetrating, by removal, a fossil shell and the surrounding liuwstone ...... '2'25
1. Diagrammatic section of the Lower Cambrian beds, from the ICiver Torrens to Gulf St. Vincent ...... 256
2. lee-scratched boulder from the Cambrian till, ]3lack Rock, near Orroroo ...... 242
3. Grooved and striated bouhler, with fragmenis of indurated till nt, taehcd thereto, from the Cambriau glacial beds, l'ekiua Hill, near Orroroo ...... 243
4. Fragments broken from a big p,,lished and striated boulder iu the Cambrian till, Appila C4orge ...... 244
5. Ice-scratched bouhter, in place, iu the Cambrian till, Peters- burg Ranges (South Australia) ...... 245
6. Quartzite-boulder from the Cambrian till of Petersburg (South Australia) ...... 24(;
7. Sketch-section across the glaeial beds of' the O.kaparinga Valley ...... 049
8. Sketch-section of the glacial beds in the valley of the River Sturt ...... 250
9, Weathered face of Cambrian till in the Sturt-River Valley ... 252
10. Sketch-section of lhe glacial beds in the Appila Gorge ...... 254 xvi PROCESS-BLOCKS AND OTIIER ILLUSTRAT[u FIGURES.
FIe,. PaG 11. Dbtgrammatic section ot' the glacial beds in a wesi-and-east- direction, frmn Port Germein to ,MTount Grainger ...... 25(;
12. Diagrammatic. section of the glacial beds in a south-and-north direction, from the Yunta ranges ~o Oopina ...... 257
1. Geological sketch-re:q) o,e the St. David's-I-Iead a~'ea ...... O":4
2. Diagram illustr;tting the chemical relations of the various types of tke St,. David's IIead ' rock-series ' ...... 291
1. Sket,ch-map of the stratigraphy of Cohmsay ~ud Oronsay ...... 298
2. Diagram illustrating the general increase in the second [earth-] movement [in Colonsay] from west to east ...... 301
3. Section on the coast, ~mrth of Port-na-Cuiice ...... 302
4. Section on the shove, south-east of Eile:m Dubh and north of Port-na-Cuilee ...... 303
5. Margin of lamprophyre in phyllite, on the c()ast north of Kiloran Bay ...... 303
6. Lamprophyre-dyke on the shore, norl~h of Port-an-Obain ...... 304
7. Sketch-map of the Kiloran syenite-intrusion ...... 305
8. Margin of an east-and-west vogesite-dyke norlh of Port-na- Cuilee ...... 5t)7
9. Sketch-map showing the strike and dip of the axial planes of the secondary tblds and of the straiu-~iip cleavage in Co]onsay and Oronsay ...... 310
-- 3[,qp showing the relation of the Wry to tl,e Blackwater ...... 320
-- Sketch-map of the Woo~ton region [Oxt'ordshire] ...... 336
1. lRestoration of the hinder porti,m ()t' the lrtlatal aspect of 31c/,'iorl~,'l~z,~s bracl~yrl, y,wt~ ~,.s ...... 352
2. Sections of the nasal canals of 3/ct,.io.rl~j~cl~tcs ],'~,<:L'i~/,'I~F~w].'~.~'. 354
1. Ma.p of the Porth-clais area ...... 378
2. Carubrian congl,)merate involved in a basic intt'usion, west. of Carn-=trwig, llamsey Sotmd ...... 38 t
1. Wolfram-deposit in high-level wash, Buttern Hill, north-west oI' Altarnun (Cornwall) ...... 38,8
2. Stream-tin workings in Kenton M:arsh, north-west of Buttern tlill (Cornwall.) ...... 392
1. l?lan showing the positions on ihe shore of the areas of Chalk at Trimingham ...... 402
2. Section presented by (:he North Bluff ('s in 1904: ... 407 PROCESS-BLOCKS AND 0TItER ILLUSTRATIVE FIGURES. xvii
1. Map of the outcrops of Carbonit'erous Limestone, etc. along the coast in the neighbourhood of Loughshinny ...... 414
2. Horizontal section through the C~/atha:eonia-Beds, from Brook's End to Roaring Well Bay ...... 415
3. Parallel vertical sections of tile C qathaxonia-Beds exposed on the south side and at the south-eastern corner of Druumnagh Headland ...... 416
4. Section in the cliffat the north-western corner of Roaring Well Bay, showing the decalcification of the Cyathaxonia-Beds ... 417
5. Decalcified Cyathaxonia-Beds in the cliff, Roaring Well Bay... 418
6. Horizontal section, from the south side of Drumanagh Head- land to Loughshinny village, near the Coastguarct Station. 420-21
7. Vertical section of the beds exposed between the fault on the east side of Drumanagh Headland and Loughshinny Bay ... 422
8. South-western corner of Lougbshinny Bay: junction of the Po~idonomqa-Limestones with the Loughshinny Black Shales. 423
9. Loughshinny Bay: fold in thePosido~wm!/a-Limestones, showing the passage from a normal anticline into an overfold ...... 425
]0. ~olded Posidonoray/a-Limestones, Loughshinny ...... 425
11. 'Augen'-like cracks filled with calcite, in the Posidonom~/a- Limestones, Loughshinny Bay ...... 426
12. tIorizontal section along the coast, from Loughshinny Harbour to the Lane Limestone ...... 427
13. Horizontal section, north of the angular fault, along the coast in the townlands of' Lane and Hohnpatrick ...... 429
14. Lane Conglomerate ...... 430
15. l}Tieheli~da temdsepla (Phillips): enlarged view of the ealices, from the C~jathaxouia-Beds of Rush ...... 456
16. A new genus of Clisiophyllid ...... 465
1. Hornblende-peridotite from Glendalough ...... 477
2 & ;3. Amphibolite from Glendalough ...... 480, 481
4. Aetinolite-rock trom Glendalough ...... 483
5. Clinozoisite-vein in amphibolite from Glendalough ...... 484
6-8. The ' mixed rock,' Glendalough ...... 487, 488, 489
9. Biotite-muscovite-garnet hornfels at the contact with peridotite, Glendalough ...... 492
Diagram of the Bartestvee Quarry ...... 504 V0L. LXIV. b XVIll PROCESS--BLOCKS AND OTIIER ILLUSTRATIVI ,] FIGURi;,~.
lrtG. |"A,; o.~ 1. (;o,,l~,~i(~l map ~Jt' ll,c Tm'l~orth lnlier and the iml,mdiate ncighbuucimod ...... oi:;
"2. View .f part of Culli,m,re's Quarry. Charlichl Greta ...... 515
:;. (.l(,oh)g (,:ll .~ket(.h-m ,1 ) o1' the neighb(mrho()d of ])anicl's \V~)4,d and Middlemill ...... 51,'~
-t. Plan of t~'enchcs (lu~ oa the hll~-sl( pc south of Little ])aniel's Wood ...... 01_.)r.,,
5. Section from Eastwood to Charileld Green ...... o.")~
6. Section from near ~,Voodi'ord to Tortworth I~cctory ...... ,:~2
]. Seclion from Pont-y-mcibion to Pont Bell ...... 55:2
"2. 8cctlon of the soul, hem.nest (n'ag on the. banks of lhe. Morda, south of Llcchrhvdau ...... 55(;
3. Slate-fragments in the grits of the Teirw Beds, at tim (lmtrries (m the right bank of the Ceiri~g at l)andy ...... ;557
4. I)i~lg,'ammatic sect, ion south of Tan-y-g,'aig ...... ~5(;0
5. bkctch of the western end of the ash-b|ock shown in the l)rC~ ious tlgure ...... 5(~1
(; & 7. Microscopic sections of the Cr~ig-y-Pandy Ash ...... 5112
8. Columnarjointing in the Craig-y-Pandy Ash at Cae Deicws... 563
9. Section at thc top o[' the Craig-y-Pandy Ash, in the China-(.h~y ~uarry ...... 56,5
It}. Diagram illustrating the variation in thickness of the Gl3n Grit ...... 57~;
ll. Section shown by excavation in Nant Llafi~r ...... 576
12-15. [Figures illustrating some (ff the etlbcls ~Jf t, hmtsting on faultsJ ...... 581, 582
l{;. 8cction along the Cac-mawr F~mlt ...... 5gl~
1. Sketch-map of the Tarnthaler KSpt'e ...... 59~
"2. Section [through the rl'arnt, haler K6fel and the Ilairnspitze]... 597
3. Section [through the tl6ckner, etc.] ...... 5i)7
4. Section from Knappenkachcl to the Nedercr summit ...... 59"~
1. Sketch-map ot'the Padoukbin district ...... (~q)7
"2. Sketch-map illustrating Exl)cditi~,n 13 [Burma] ...... 610
3. Sketch-map illustrating Expedition D Ll3urma] ...... 614