GENERAL INDEX

TO

THE QUARTERLY JOURNAL

AND

PROCEED~GS OF THE GEOLOGICAL SOCIETY.

[The fossils referred to are described; and those of which the names are printed in italics are also figured.]

Abereiddy, Pembrokeshire, Mr. T. 412; of Japanese rocks, 432-456; Roberts on a new species of Cono- of the rock of the Hett Dyke, 230 ; ceras from the Llanvirn beds of, of the rock of the Tynemouth Dyke, 636. 235; of the rock of the Morpeth Aaanthochonia, 819. Dyke, 239 ; of the rock of the High- Ba~randei, 841. Green Dykes, 240; of the rock of Acklington Dyke, 242 ; analysis of the Acklington Dyke, 243; of Droit- rooks of, 243. wich Brine, 253, 254 ; of the serpen- Africa, South, map of the northern tine of Porthalla, 467 ; of the horn- parts of the high-level Coal-fields blonde-schist of Porthalla, 468; of of, 658. rocks and minerals of the Whin Age of the Dimetian rocks of Pem- Sill, 64O-655. brokeshire, 511; of the Arvonian Anglesey, Dr. Callaway on the Ax- rocks of Pembrokeshire, 515. chsean and Lower Paleeozoic rocks Allan valley, plan of, at Porth-elais, of, 567. 532; and Porth-clais, Pre-Cam- , Prof. Bonney on some rock- brian rocks of, 531; sketch in, at specimens collected by Dr. Callaway Porth-clais, 532; sketoh of quarry in, 583. in the, on north side of Porth-clais, , Dr. Hicks on the con- 534. glomerates in, 187. Alps, Lt.-Col. Godwin-Austen on , Northern, generalized section some Tertiary formations at the across the Palmozoic rocks of, 570. south base of the, 855...... and Caernarvonshire, Prof. Bon- Amlwch Arch~ean mass, relations of ney on some rock-specimens, cel- the, to the Palmozoic rocks of lected by Dr. Hmks in, 200. Southern Anglesey, 567. region, physical geography of ,4mTlexus tortuosu~, 503. the, in Ordovieian times, 582. --, sp., 500, 501. Anniversary Address of the President, Anabacia ]3ouchardi, 715. Prec. 37-57. See also Hulke, J. -- complanaia, 715. W., Esq. Analyses of rocks of the Cockfield Annual Report for 1883, Proc. 9. and Armathwaite Dyke, 224; of Antelope remains in Newer Pliocene augite-andesites, 226; of the Esk- beds in Britain, Mr. E. T. Newton dale "pitch-stone," 227 ; of Dime- on, 280. tian rocks from St. David's, 528; Antilopid~, list of fossil, 285. of hornblende-gabbro of Guernsey, AT~eryx (recent), pelvis of, Prec. 54- Q.J.G.S. No. 160. 3~ 866 GENERAL ].NDEX.

Arch~ean groups of Anglesey, relations Bonney, Prof. T. O., on the micro- between the two, 576. scopic structure of some rocks from and Lower Palmozoic rocks of Guernsey, 420. Anglesey, Dr. Callaway on the, 567. , on some roek-specimeus collee- Arch~ocyathellus, 834, 835. ted by Dr. Callaway in Anglesey, Archmocyathus, 834, 835. 583. Armathwaite, Cleveland, and Cock- Boring, Mr. Homersham on a deep, at field Dyke, 209; analysis of the Richmond, Surrey, 724 ; Dr. Hinde rock of, 224. on some fossil Calcisponges from Arvonian rocks, evidence of age of, the, at Richmond, 778 ; Prof. Jones 515; new areas of, in Pembroke- on the Foraminifera and Ostraeoda shire, 516; origin and petrological from a deep, at Richmond, 765; characters of, 517. Mr. Vine on the Polyzoa from the, ,4spidorhy~chus Fisheri (recent), skull at Richmond, 784. of, Proc. 5o. Boulder-clay at Bridlingbon Quay, ~lstrabodus expansus, 630. Mr. Lamplugh on the shelly patches Augite-andesites, analyses of, 226; in the, 312. Japanese, 442 ; quartziferous, 448. Boulonnais, Mr. Tomes on the Oolitic Australia, Mr. A. W. Waters on the Madreporaria of the, 698. fossil Cyclostomatous Bryozoa from, Bridlington Quay, fossils from, 319 ; 674. Dr. Crosskey on the Ostracoda and Foraminifera of the shelly patches at, 323 ; Dr. Gwyu Jeflreys on shells Baddeley, Mr. J., on the distribution from the "Basement" Clay at, ~19 ; of gold-mining districts on the sur- Mr. Lamplugh on the shelly patches face of the globe, Prey. 63. in the Boulder-clay at, 312; Mr. ~airdia Hilda, 771. Newton on fishes from, 322. 3"uddiana, 767. Brine-springs, Droitwich, Mr. C. Par- . jurassica, 771. kinson on, 248. trigonalis, 767. Britain, Mr. Newton on antelope re- Bangor and Caernarvon, conglome- mains in Newer Pliocene beds in,280. rates of, 196. British Nuculidm, Mr. Barlow-Jameson Fund, award of a Gardner on, 120. portion of the, to Dr. J. Croll, Prec. Broeehi's collection of Suhappenine 3 S ; to Prof. Leo Lesquereux, _Prec. shells, Dr. J. Gwyn Jeffreys on, 28. 36. Brunton Dyke, 236. Basalt lavas, Japanese, 451: B2~]~2.Golmon, rock-specimen from, Basalts, plagiodase, Japanese, 449. JBathyc~nia hemisTh~ica, 706. Bryn-gwallen, section from west of, to _ _ moneta, 705. Clymwr, 575. Blake, Prof. J. F., on the volcanic Bryn-y-garn, section from the coast to, group of St. David's, 294. 530. Blasti~ia crista~a, 781. Bryozoa, fossil Cyelostomatous, from -- p~/gm~a, 781. Australia, Mr. Waters on, 674. Bloemhof, section from near, to near from the deep boring at Rich- Middelburg, 661. mond, Mr. Vine on, 784. Boca, section at, 859. Buecione, section at, 855. Boldon pit, dyke in, 231. Budleigh Salterton and Sidmouth, Mr. Bolt Head, 9 ; microscopic section of A. T. Metcalfe on further disco- mica-schist from the, 15. veries of vertebrate remains in the Bolt Tail, 11 ; section near, 12. strata of the south coast of Bombay, Capt. Stifle on fossil wood Devonshire between, 257. from the Prince's Dock, Prec. 4- Budleigh Salterton, section of coast Bonney, Prof. T. G., on'the geology of from, to Sidmouth, 258. the South-Devon coast, from Tot- JBulla crebris~,riata, 322. cross to Hope Cove, 1. , on a specimen of Trowles- worthite, Prec. 7. Caistor, valleys near, 163. , on some rock-specimens collec- CalamoThyUia cassiana, 369. ted by Dr. Hicks in Anglesey and pseudostylina, 716. North-west Caernarvonshire, 200. Calcisponges, Dr. Hinde on some GENERAL n~DEX. 867

fossil, from the well-boring at Rich- Cladodus mucronagus, 619. mond, 778. striatus, 619. Caerbwdy valley, Cambrian conglo- Cladophyllia subdichotoma, ,367. merates of, 520; Cambrian succes- Clegir, section through, 198. sion in, 521; faults in, 522; Pre- Clegyr Foig, Precambrian rocks of, cambrian rocks of, 523. 542. Caernarvonshire, Dr. Hicks on the Cleveland, Coekfield, and Arma- Cambrian conglomerates in, 187. thwaite Dyke, 209; analyses of the - and Anglesey, Prof. Bonney on rock of, 2"24. some rock-specimens collected by Clymwr fault and conglomerate, Dr. Hicks in, 200. 571. Callaway, Dr. C., on the Arehman and Clymwr, section from west of Bryn- Lower Palaeozoic rocks of Anglesey, gwallen to, 575. with an appendix by Prof. T. G. Coal, Mr. Wethered on the structure Bonney, 567. and formation of, _Prec. 59. Cambrian conglomerates, Dr. Hicks --, possible existence of, under on the, resting upon and in the London, 758. vicinity of some Precambrian rocks Coal-field, Yorkshire, Prof. Miall on a (the so-called intrusive masses) in new specimen of Megalichthys from Anglesey and Caernarvonshire, 187. the, 347. Campoph.~ll~em, sp., 498. Coal-fields, high-level, of South Canadian Pacific Railway, Dr. Daw- Africa, Mr. Penning on the, 658; son on the geology of the line of the, map of the northern parts of the, 376. 658. , sketeh-map of Cobo granite, gneiss caught up in, country traversed by the, between 413. the Rocky Mountains and Prince Cockfield, Cleveland, and Arma- Arthur, 385. thwaite Dyke, 209 ; analyses of the Cape of Good Hope, Orange Free rock of, 224; dying out of dyke in State, Sir R. Owen on a Labyrintho- a quarry near, 210. dent amphibian from, 333. Collins, Mr. J. H., on the serpentine Cam-at-wig, view of, from the north, and associated rocks of Porthalla 299. Cove, 4.58. Castell, cliff-section between, and Og- Confusastr~ea magnifica, 712. feydd-duon, 542 ; section from near, Rigauxi, 711. to Porth-clais, 535. --, sp., 712, 717. Central Europe, Rev. A. Irving on Conglomerates of the South Wales the Dyes and Trias of, 399. Lies, Mr. Tomes on the ]~drepo- Geratocoenia elongate, 703. raria of the, 353. Chalk, Prof. Hughes on the so-called ~, Dr. Hicks on Cambrian, 187. STongia Taradoxica from the Red Conoceras, Mr. T. Roberts on a new and White, of Hunstanton, 273. species of, from the Llanvirn beds, met with in the Richmond Abereiddy, Pembrokeshire, 636. well-boring, 731. Conoceras llanvirn~sis, 639. -- Wolds of Lincolnshire, Mr. Convexastrma Waltoni, 706. Jukes-Browne on some Postglacial Cooling of the earth, Mr. Stanley on ravines in the, 160. two papers by the late Mr. Mallet Chemical characters of the Whiu Sill, on the, Prec. 57. Mr. Teall on the, 640. Copodus cor~u~us, 623. Cheshire and Shropshire, ripple-marks Cranial and vertebral characters of in Drift in, Mr. T. Mellard Reade the Crocodilian genus Plesiosuvhus, on, 267. Owen, Sir R. Owen on the, 153. Chiusella, section across the, 862. Cretaceous Nuculidm, Mr. Gardner on Chloritic schist, microscopl,ic section British, 120. of, from the west side-of Prawle Lichenoporid~e, Mr. Vine on Point, 16. some, 850. Chomatodus lamelliformis, 625. Crisia unipora, 683. Cirripedia from Bridlington Quay, Cristellaria creTidula, 770. 322. -- cultrata, 765, 770. Cladaca~thus Taradoxus, 617. italica, 767. Cladodus Hornei, 619. regulate, 765, 767, 770. 3N2 868 GENERAL INDEX.

C/ristellaria, sp., 765, 767. Devonshire, south coast of, Mr. A. T. Crocodilian genus P/es/osuchus, Owen, Metcalfe on further discoveries of Sir R. Owen on the, 153. vertebrate remains in the Triassic Crocbdilus, skull of, 158. strata of, 257. Croll, Dr. J., award ofaportion of the Diabase of Japan, 456. Barlow-Jameson Fund to, Prey. 35. Diastopora diluviana, 787. Crosskey, Dr. H. W., on the Ostra- -- Lamourouxii, 789. coda and Foraminifera of the shelly -- microstoma, 788, 789. patches at Bridlington Quay, 323. ---- patina, 689. Cryptoccenia obeliscus, 706. suborbieularis, 689. plana, 707. 1)iclitodus scitulus, 623. Rigauxi, 707. 1)iclonius mirabilis, mandible of, aura. C , sp., 708. 49. rystallization in connexion with Dimetian rocks, evidence of age of, strain and the development of per- 511 ; distribution of, in Pembroke- litic structure, Mr. F. Rutley on, shire, 512; origin of, 513; breccia- 340. ted portions of, 513; petrologi~l CtenoTetalus crenatus, 623. characters of, 514 ; from St. David s, Cwaen-hen, section from Llechyn- analyses of, 528. farwy to, 575. Dinas Dinorwig, section through, 198 ; Cwaen shales, 571. conglomerates from, 203. Cyathoc~enia deciTiens, 372. Diorite, quartz-mica, of Japan, 454.

- inerustans, 372. D iorite-porphyrite of Japan, 455. Cyath~hyllum Fletcheri from the Diorites of Guernsey, 407, 423; Wenlock shale, Prof. P. ]K. Duncan grooved weathering in, south of on, 174. Fort Douglas, 409. - ? bilaterale, 503. 1)iplacodus bulboides, 633. Cycloerinus, 834. 1)iseoco~nia bononiensis, 702. Cyrtonodus gibbus, 631. Discotubkjera clypeata, 690. Cythere Blakeana, 772. iterata, 690. Bradiana, 772. Divisional line between the Dyas and druTacea, 772. Trias systems of Central Europe, Guembeliana, 772. Rev. A. Irving on the true, 389. --juglandica, 766, 768. Donations to the Library and Museum, (Cythereis) quadrilatera, 766, 772. Prec. 7 L Schwageriana, 766. Drift-gravels observedin the new rail- subconcentrica, 768. way cutting at Ouildford, Lt.-OoL tenella, 772. Godwin-Austin on, 599. Cytherella jugosa, 773. Drift, ripple-marks in, Mr. T. Mellard subovata, 773. Reade on, in Shropshire and Che- -- symmetrica, 768. shire, 267. Cytheridea subTerforata , 768, 772. Droitwich brine-springs, Mr. C. Par- kinson on the, 248. Duncan, Prof. P. M., on 8treptda~ Davies, Mr. T., on the microscopic R6mer/, a new coral from the structure of some rocks from Pem- Wenlock Shale, 167. brokeshire, 548. , on Cyathophyllum Fletcheri, Ed. Davis, Mr. J. W., on some remains of & H., sp., from "the Wenloek Shale, fossil fishes from the Yoredale series with remarks on the group to which at Leyburn, in Wensleydale, 614. it belongs, 174. Dawson, Dr. J. W., on the geology of , on the internal structures and the line of the Canadian Pacific classificatory position of Micrabavi~ Railway, 376. eoronula, Goldfuss, sp., 561. ])efrancia exaltata, 692. Dyas, general relations of the, to the Delta in miniature, Mr. T. Mellard older members of the Paheozoic Reade on a, 263. series, 396. Deltoptychius plicatus, 628. and Trias of Central Europe, Dentition of Tritylodon long,ms, Rev. A. Irving on the, 389. Owen, Sir R. Owen on the, 146. Dyke, dying out of a, in a quarry near Devon coast, south, sketeh-map of the, Cockfield, 210; in coal-measures, from Toreross to Hope Cove, 2. Boldon Pit, 231. [} ENERAI, INDEX. 869

Dykes, Mr. Teall on some north-of- Freshwater and terrestrial , England, 209. Prof. T. M'K. Hughes on some and veins in Guernsey, 416. tracks of, 178. Frondicularia oolithiza, 769. Echidna (recent), pelvis of, Prec. 55. Fructification of Zeilleria ( 8~heno- Echinodus Taradoxus, 631. Tteris) delicagu~a, Sternb., sp., Mr. Eisenach, section across GSpelskuppe Kidston on the, 590. near, 393. ~Elysastr~ea Fischeri, 368. Gabbro, hornblende-, of Guernsey, ~ncroachments of the sea at Westward 410 ; analysis of, 412. He!, Mr. H. G. Spearing on the , veins of, at Porthalla, 462. recent, 474. Gardner, Mr. J. S., on British Creta- ~Enstatiteoandesites, Japanese, 447. ceous Nueulidm, 120. ]~ntalophora ncocomiensis, 686. Garth, conglomerates from west o5 . raripora. 686. 204. ---- richmondie~sis, 791, 792. Gaudry, Prof. A., award of the Wol- - verticillata, 685. laston gold medal to, Prec. 3 o. - straminea, 791. Gault in the Richmond well-boring, :Eocene beds, Mr. Whitaker on the, at 736. G uildford, 599. Gayton, boring at, 485. :Eppignellen, section near, 390. Gazella anglic.a, 280. :Eruptive activity of Monte Somma Glauco~wme, Mr. Vine and Mr. Shrub- and Vesuvius, scheme of the, 44. sole on the species of, 329. :Escharipora, 834. Glypha~wdus te~uis, 621. :Eskdale "pitchstone,:' analysis of the, Gneiss of Guernsey, 405, 420. 227. of Porthalla, 464. :Eunson, Mr. H. J., onthe range of the Godwin-Austen, Lt.-Col. H. H., on Pal~ozoic rocks beneath 1Northamp- certain Tertiary formations at the ton, 482. south base of the Alps in north :Ewhurst, section through, 612. Italy, 855. , on the new railway-cutting at Fascicularia con]uncta, 693. Gufldford, the Pleistecene sands and :Fasciculipora, sp., 693. drift-gravels observed there, with :Felspar of the Whin Sill rocks, 645 ; introductory notes on the Eocene analysis of, 646. beds, by W. Whitaker, 599. :Filisparsa orakeiensis, 687. OSpelskuppe, near Eisenach, section :Fishes from Bridlington Quay, Mr. across, 393. Newton on, 322. Gold-mining districts, Mr. Baddeley --, fossil, Mr. J. W. Davies on some on the, on the surface of the globe, remains of, from the u series Prec. 63. at Leyburn in Wensleydale, 614. Gomphacanthus acut.us, 618. Foliated series of the South-Devon Goniolina, 834, 835. coast, 13. Granites, Japanese, 452. :Footprints of Vertebrate Animals, Mr. of Guernsey, 412, 422. G. V. Smith on the, in the Lower Granulite of Porthalla, 464. New Red Sandstone of Penrith, 479. Great Oolite in the Richmond well- :Foraminifera, ProL Jones on the, boring, 741. from a deep boring at Richmond, -- fossils from the Richmond 765. and Tottenham Court Road wells, , Oolitic, bibliography of, 775. 760. - of the shelly patches at Bridling- ~ strata in Meux's well, 744 ; ton Quay, Dr. Crosskey on the, 325. eneral characters of the, under :Fort Doyle, grooved weathering in ndon, 767. dioritic rock, south of, 409. Guernsey, Rev. E. Hill on the rocks FSrtha to Burckhardsroda, section in of, 4o4. Werra railway from, 395. --, Prof. Bonney on some rocks Fossils, Great Oolite, from the Rich- from, 4"20. mond and Tottenham Court Road Guildford, Lt.-Col. Godwin-Austen on wells, 760. the new railway-cutting at, 599. l~ossil wood from the Prince's dock, , Mr. W. Whitaker on the Eocene Bombay, Capt. Stifle on, Prec. 4. beds at, 599. 870 GENERAL I_WD~_~X.

Hartley and Seaton Dykes, 237. Hulke, J. W., Esq. (President), Ad- ttatcliffe, plan of the valley near, 163 ; dress on presenting the Wollaston section across ravine S.W. of, 164. Gold Medal to Prof. A. Gaadry, Hebburn Dyke, 231. t)roe. 3~ ; Address on presenting the Hemicladodus ~nicuspida~us, 620. balance of the Wollaston Donation ttett Dyke, 228 ; analysis of the rock :Fund to E. T. zNewton, :E,~q., 30; of, 230. Add ross on presenting the Murehison Hicks, Dr. H., on the Cambrian con- Medal to Dr. Henry Woodward, glomerates resting upon, and in the 31 ; Address on handing the balance vicinity of some Pro-Cambrian of the Murchison Geological :Fund rocks (the so-called intrusive to R. Etheridge, Esq., for trans- masses) in Anglesey and Caernar- mission to Martin Simpson, :Esq., vonshire, 187 32; Address on handing the Lyell , Prof. Bonney on some rock- Medal to Prof. W. H. Flower for specimens collected by, 203. transmission to Dr. Joseph Leidy, , on the Pro-Cambrian rocks of 33; Address on presenting the Pembrokeshire, with especial refer- balance of the LyeD Geological ence to the St, David's district, with Fund to Prof C. Lapworth, 34; an appendix by Mr. T. Davies, 507. Address on handing to Prof. Bonney High-Green dykes, 239 ; analyses of a portion of the proceeds of the the rock of, 240. :Barlow-ffameson :Fund for trans- High Peake, section through, 258. mission to Dr. J. CrolI, 35 ; Address Bigh-Veldt beds, 662, 665. on handing to Prof. Seeley a second Hill, Roy. :E., on the rocks of Guernsey, portion of the proceeds of the with an appendix by Prof. Bonney, :Barlow-Jameson :Fund for trans- 404. mission to Prof. Leo Lesquereux, YIinde, Dr. G. g., on some fossil Cal- 36 ; Anniversary Address, February cisponges from the well-boring at 15, 1884. Obituary Notices of Richmond, 778. Deceased Felloios :--Prof. Oswald , on theReceptaeulitida~, including Hecr, 37; Dr. Joachim Barrande, the genera Ischadites, Murchison 37; ProL Sven ~ilsson, 38; Dr. (Tetragonis, Eichwald), ~Tha~o- P. Merlan, 38 ; M. H. Coquand, 38. sTongia , Pcngelly, Aeanthochonia, Address on the work done by the ten. nov., and J~eceTtaculites, De- Society during the year 1883, and france, 795. on recent contributions to the Holyhead Arch~ean area, relations of, knowledge of the skeletal anatomy to the Palt~ozoic rocks to the east, of Dinosaurs, 38. 571. Hunstanton, Prof. Hughes on the so- road, sections near, 574. called ~Tongia ~aradoxiea of the Homersham, Mr. C., on a deep boring red and white chalk of, 273. at Richmond, Surrey, 724. Hymenophyllites (Sphenopteris) quad- Hope Cove to Torcross, Prof. T. G. ridactylites, Mr. Kidston on, Bonney on the geology of the coast 596. from, 1. Hornblende-andesite, Japanese, 449. Idmonea aldingensis, 696.

Hornblende-gabbro, of Guernsey, 410, -- atlantiea, 683. 425; analysis of, 412. b/frons, 685. Hornblende-schist of Porthalla, 466; Hochstet~eriana, 684. analysis of, 467. Milneana, 684. Hornblendic rocks of Guernsey, 423, radians, 684. 425. triquetra, 790. Hornera foliacea, 688. Iguanodon bernisartensis, skull of, frond(culata, 687. Prec. 4 8. Hughes, Prof T. McK., on some Ilmenite in the Whin-Sill rocks, 650. tracks of terrestrial and freshwater Inobolia micula, 779. animals, 178. Iron amianthus, Roy. ft. M. Mello on =: , on the so-called Spongia para- a specimen of, _Prec. 6 5. doxica, S. Woodward, from the oxide of the Whin-Sfll rocks, 650. red and white chalk of Hunstanton, Irving, Roy. A., on the Dyas (Per- 273. mian) and Trias of Central :Europe, GENERAL IICI)EX. 871

and the true divisional line of the Labyrinthodont amphibian (Rhytid- two systems, 389. osteus caloensis) from the Tries of Isastrma explauata, 718. tJae Orange Free State, Cape of globosa, 373. Good Hope, Sir R. Owen on a, 333. -- Giimbelii, 373. Ladran Bay, section through, 258. portlandica,.719. Lagena l~vis, 769. smemurmnsis, 373. Lagno di Trocchia, section exhibited in tubero~, 713. the north bank of the, 87. Ischadites, 810. Lago d'Orta, map of the southern end ? inosculans, 840. of the, 856. -=. Ka~aigii, 836. I~mplugh, Mr. O. W., on a recent .... JLindstr~emii,839. exposure of the shelly patches ia - Murchisonii, 838. the Boulder-clay at Bridlington tessellatus, 839. Quay; with notes on the fossils by Italy, North, Lt.-Col. Godwin-Austen Dr. J. Gwyn Jeffreys, Mr. E. T. on some Tertiary formations at the Newton, and Dr. H. W. Crosskey, south base of the Alps in, 855. 312. Ivrea, Plioeene deposits in the neigh- Lancashire, low-level Boulder-clay of, bourhood of, 861. rock-fragments from the south of Scotland imbedded in the, Mr. T. Japanese rocks, Dr. Kot5 on some, Mellard Reade on, 270. 431. Lapworth, Prof. G., award of the Jeffreys, Dr. ft. Gwyn, on Brocchi's Lyell Geological Fund to,/)roe. 34- collection of Subapennine shells, 28. Latimmandra, sp., 713. --, list of shells from the "Base- sequana, 718. ment" clay at Bridllngton Quay, I~vas, Japanese basalt, 451. 319. Leda angulata, 138. Johnston-Lavis, Mr. H. J., on the geo- ~-- lineata, 136. logy of Monte Somme and Vesuvius, Mariee, 138. being a study in vulcanology, 35. phaseolina, 135. Jones, Prof. T. R., on the Fora- scathe, 138. minifera and Ostracoda from the 8eeleyi, 137. deep boring at Richmond, 765. soles, 139. Judd, Prof. J. W., on the nature and sTathulata, 139. relations of the deposits m~brecurva, 135. which underlie London; with an Vibrayeana, 137. introductory note on a deep boring Leidy, Dr. J., award of the Lyell at Richmond, Surrey, by Mr. Collett Medal to, _Prec. 33. Homersham, 724. Leith Hill, section through, 612. Jukes-Browne, Mr. A. J., on some Lesquereux, Prof. Leo, award of a postglacial ravines in the chalk portion of the Barlow-Jameson wolds of Lincolnshire, 160. Fund to, Prec. 35. Jurassic deposits which underlie Leyburn, Mr. J. W. Davis on some London Prof. Judd on the, 724. remains of fossil fi~hes from the Yoredale series at, 614. Ketley, near Wellington, drift-section Lias, South Wales, Mr. Tomes on the at, 267. Madreporaria of the conglomerate Kidston, Mr. Robert, on the fructifi- at the base of the, 353. cation of Zeilleria ( SThenoT~eris) ~, white, of the middle and western delieatula, Sternb., sp., with rein arks counties of England, Mr. Tomes on on U~matoTleris ( SphenoTteris ) the Madreporaria of the, 353. tenella, Brongt., and HymenoThyl- Lichenopora aldiugensis, 695. lites ( SphenoTteris) quadridactylites, boTetiformis, 695. Gutbier, sp., 590. cochloidea, 695. Kimberley, section from, to the Kro- hispida, 694. kodil river, 661. -- paucipora, 853. Kingsthorpe road boring, 484. radia~a, 694. Kot6, Dr. Bundjiro, on some Japanese ..... variabilis, 696. rocks, 431. Lichenoporidm, Mr. Vine on some Krokodil river, section from KAm- Cretaceous, 850. berley to the, 661. Lincolnshire, mr. Jukcs-Browne on 872

some postglacial ravines in the Maggiora, section under, 860. chalk wolds of, 160. Magnetite in the Whin-Sill rocks, Littorina ? globosa, 320. 650. Lit~o[a depressa, 765. M~ps: of the South-Devon coast from Llanddeiniolen, section from N.W. of, "xoreross to Hope Cove, 2; of to Llyn Padarn, 198. the country near Swaby, 161; of Llanerchymedd, rock-specimen from the valleys near Louth, 162; of east of, 202. the valley near Hatcliire, 163; of Llanfaelog, conglomerate of, 191 ; miniature delta, Rake reservoir, section through, 193 ; rock-speci- 263; of the St. David's district, mens from near, 200, 201 ; section 295; of Ogof Golchfa, 298; of from Tywyn to, 573. Ogof-Llesugn, 300; of country tra- Llanflhangel conglomerate, 572. versed by the Canadian Pacific Llanvirn beds, Abereiddy, Pembroke- Railway, 385; of the Porthalla shire, Mr. T. Roberts on a new district, 460; of broken ground species of Conoceras from the, 636. near Porthalla Cove, 465; showing Llechyn=farwy, section from, to recent encroachments of the sea at Cwaen-hen, 575. Westward He !, 479 ; of coast south IAyn-faclog, conglomerates from 201, of Nun's Chapel, 526; of Allan 202. valley at Porth-clais, 532; of Di- Llyn Padarn, section from N.W. of metian broken up by a dyke on the Llanddeiniolen to, 198. shore at Ogof-llesugn, 539; of the Llys Dinorwig, section through, 198. Treiorwerth syneline, 572; of Ty- London, Prof. Judd, on the Jurassic wyn ridge, 577 ; of the northern deposits which underlie, 724. parts of the high-level coal-fields , water-supply of, 756; possible of South Africa, 658; of the existence of coal under, 758. southern end of the logo d'Orta, Lophodus angularis, 6"28. 856. bifurcatus, 628. Marginulina raThanus, 769. eonicus, 627. Mastopora, 834. !ranis, 627. Medicine Hat, South Saskatchewan L reticulatus, 626. river, section near, 381. - serratus, 627. Mecrane, section of quarries near, Lophophyllum, sp., 499. 391. Louth, plan of the valleys near, 162. Megalichth~/s, Prof. Miall on a new Low-level boulder-clay of Lancashire, specimen of, from the Yorkshire rock-fragments from the south of coalfield, 347. Scotland imbedded in the, Mr. T. Hibberti, 347, 633. Mellard Reade on, 270. Mello, Rev. ft. M., on a specimen of Lower New Red Sandstone of Penrith, iron amianthus, Prec. 65. Mr. G. V. Smith on the discovery of Melmerby, section through, 479. footprints of vertebrate animals in Menai Straits, conglomerates from the, 479. shores of, 204. Palmozoie rocks of Anglesey, Metcalfe, Mr. A. T., on further dis- Dr. Callaway on the, 567. coveries of vel4ebrate remains in the Lyell Geological Fund, tkward of the, Triassic strata of the south coast of to Prof. Charles Lapworth, .Prec. 34- Devonshire, between Budleigh Sal- Medal, award of the, to Dr. J. terton and Sidmouth, 257. Leidy, Prec. 33. Meux's Well, Great Oolite strata in, 7't-t. Macrocypris JBradiana, 766. Miall, Prof. L. C., on a new specimen Madagascar, Dr. Parker on the of MegalieMhys from the Yorkshire geology and mineralogy of, Prec. 69. coalfield, 347. ]lffadreporaria, Mr. Tomes on the, of Mica-ehist, microscopic section of, the conglomerates of the South from the Bolt Head, 15. Wales Lias, 353. Mica-trap of Guernsey, 426. , Mr. Tomes on the, of the White Micrabacia coronula. Goldfilss, sp., Lias of the middle and western Prof. Duncan on, 561. counties of England, 353. Microscopical characters of the Whin , Oolitic, of the Boulonnais, Mr. Sill, Mr. TeaU on the, 640. Tomes on the, 698. Microscopic structure of some rocks 873

from Guernsey, Prof. Bonney on, Nuculid~e, British Cretaceous, Mr. 420. Gardner on, 120. Microsolena expansa, 722. Nun's Chapel, view west of, 296; , sp., 374. Cambrian conglomerate resting on ~, sp., 722. edge of Pebidian beds in cliff S.E. Middelburg, section from near of, 525; plan of coast south of, Bloemhofto near, 66I. 526. Mool-Tryfaen, conglomerate from, district, Cambrian and 204. Pre-Cambrian rocks of, 524. Molluscs from Bridlingt~n Quay, 319. Oculospongia minuta, 782. Monte Somma, external form and Ogfeydd-duon, cliff-section between features of, 35. Castell and, 542...... and Vesuvius, eruptive O ofgo hfa, pl= oaf;, 8; ske h activity of, 44. of cliffs on south 543. Montlivaltia caryophyllata, 710. Ogof-llesugn, Cambrian and Dimetian .... perlonga, 362. rocks at, 536 ; plan of, 300 ; section rh~tica, 363. showing contact of Cambrian with Riga~i, 710. Dhnetian in cliff at, 537; mass of ---- simplex, 363. Cambrian conglomerate on shore, WaIli~, 363. west side of, 539; Dimetian broken Morpeth Dyke, 239; analysis of the up by a dyke on shore at, 539. rock of, 239. Oolite in the Richmond well-boring, Murchison Medal, award of the, to 741. Dr. Henry Woodward, Prec. 3 I. --, Great, in Meux's Well, 744; Geological Fund, Award of general characters of the, under the, to ]~artin Simpson, :Esq., Prec. London, 747. 3z. Oolitic Madreporaria of the Boulon- nais, Mr. Tomes on the, 698. Neocomian ? beds in the Richmond Orange Free State, Cape of Good well-boring, 738. Hope, Sir R. Owen on a Labyrin- Newton, Mr. E. T., award of the thodont amphibian from the, 333. Wollaston Donation Fund to, Prec. Ordovieian times, geography of the 30. Anglesey region in, 582. , on antelope remains in Newer Ornit~rhynchus (recent), pelvis of, Pliocene beds in Britain, with the Prec. 56. description of a new species, Ga- Orsedd-y-person, section through, 573. zella anglica, 280. errs, map of the southern end of ~, on fishes from Bridlington the lake of, 856. Quay, 322. Orton, boring at, 491. Nidulites favus, 834. Ostracoda, Prof. Jones on the, from l~orth Devon, Westward Hot, Mr. a deep boring at Richmond, 765. Spearing on the recent enea'oach- --- of the shelly patches at ments of the sea at, 474. Bridlington Quay, Dr. Crceskey on ~qorthampton, Mr. Euuson on the the, 323. range of Pah~zoie rocks beneath, Otterton Point, section through, 482. 258. igucula albensis, 128. Owen, Sir l~cha~, on the skull and - angi~ua~a, 134. dentition of a Triassic mammal ard~e~ne~si~, 130. ( Trit.ylodo~ long~vu~, Owen) from bivirgata, 132. South Africa, 146...... caTs~formis, 127. - , on the cranial and vertebral Oornueliana, 129. characters of the Crocodilian ge- -- g aulgb,a, 134. nus Plesiosuchus, Owen, 153. zmpressa, 128. , on a Labyrinthodont amphibian -- ~ Meyeri, 130. (Rhytidos~eus catchY) from the obtusa, 126. Trias of the Orange Free State, crags, 125. Cape of Good Hope, 333. ---- Tecginaga, 132. Tlanata, 126. Palaeozoic axis, position and nature of -- simplex, 129. the, under London, 752. 874 G~ ~rD~x.

Palmozoie Polyzoa, Mr. Vine and Mr. Phymnemus hamatus, 617. Shrubsole on a suggested classifica- agioolase basalts, Japanese, 449. tion of, 329. Planorbulina farcta, 770. rocks beneath Northampton, Mr. ttaidi~geri, 770. Eunson on the range of the, 482. Plans (see Maps). --, oldest~ of Anglesey, age Pleistocene sands observed in the new of the, 579. railway-cutting at Guildford, Lieut. Parker, Dr. G. W., on the geology Col. Godwin-Austen on the, 599. and mineralogy of Madagascar, Pledosueh~s, Owen, Sir R. Owen on Prec. 69. the Crocodilian genus, 153. Parkinson, mr. C., on the Droitwich Pleurodus Woodi, ~24. brine-springs and saliferous marls, Pleurotoma multistriata, 321. 248. Pliocene beds, Mr. Newton on ante- Pasceolus, 834. ~Q~e,~,. remains in newer, in Britain, Pavot~gera dimidiata, 691. .... flabellata, 691. Pr corr~at~s, 625. gambierensis, 692. Poikilitic? strata in the Richmond Peake Hill, section through, 258. well-boring, 749. l~ease Marsh, section through, 612. Polkerris Cove, section through, 462. l~ebidian rocks, evidence of age of, Pdgrhizodus Colei, 622. 518; origin and petrological cha- Polyzoa found in the bori~g at Rich- racters of, 519. mond, Mr. ~ine on, 784. Fembrokeshire, Mr. Davies on the Ponte dei Preti, section across the microscopic structure of some rocks Chiusella, at the, 862. from, 548. Porthalla, section of cliffs near, 461 ; ~, Dr./t~cks on the Pro-Cambrian section from Pencra Head to, 462. rocks of, 507. Cove, plan of broken ground ~, Mr. T. Roberts on a new spe- near, 465. cies of Co~ocerasfrom the Llanvirn , Mr. Collins on the serpen- beds of Abereiddy, 636. tine and associated rooks of, 458. ~, new areas of Dimetian rocks in, district, map of the, 460. 512; new areas of Arvonian rocks Porth-clais, plan of Allan valley at, in, 516. 532; sketch of quarry in the Allan Penning, Mr. W. H., on the high- valley on north side of, 539; of level coalfields of South Africa, quarry between Rhoscribed and, 658. ,534; sketch in Allan valley at, 532; Penrith, ]fir. G. V. Smith on some section to, from near Castell, Ram- footprints of vertebrate animals in ~y Sound, 535. the Lower New Red Sandstone of, Perth Hayog, view in, looki~g south, 479. 305. Beacon, section through, 479. Porth-lisky, sketeh of cliffs in East Pen-y-Cyfrwy, section from Perth Harbour, 540; and Ramsey-Sound Sell to, 524. area, Pre-Cambrian rocks of, 540. Pen-y-Gaer, conglomerate from, 203. Porth-melyn, Cambrian and Pre- PerIitic structure, Mr. F. Rutley on Cambrian rooks in, 529. strain in connexion with crystalli- Perth-Sell, section from, to Pen-y- zation and the development of, 340. Cyfr~, 524. , general r~lation of, to the Porth-y-gwiehiad, overfault in black Trias, 398. shale on, 570. _Pcronella ~ana, 780. Portlemouth, chloritio and mica- Pe~alodoTsis triparti~us, 622. schist on shore south of, 8. 2aeCalodus acumin~tus, 624. Postglacial ravines in the chalk Petrology of conglomerates in Angle- wolds of Lincolnshire, Mr. A. J. sey and Caernarvoushire, ~; of Jukes-Browne on, 160. some North-of-England dykes, 209 ; Prawle Point and adjacent coast, 5; of the Guernsey rocks, 420; of some section on shore east of, 6; section Japanese rocks, 431 ; of rocks from of about 1~ mile of coast west of, the St. David's district, 548-558; 8; microscopic section of chloritic of some Anglesey rocks, 583 ; of the schist from ~e west side of, 16. rocks of the Whin Sill, 642. Pre-Cambrian rocks (the so-called Pholidophyllum, 177. intrusive masse~), Dr. Hicks on the 6ENERAL n~DEX. 875

Cambrian conglomerates resting on Reticulipora tran~n~ata, 689. or in the vicinity of some, in Angle- , sp., 689. sey and Caernarvonshire, 187. Rhabdophyllia reoondita, 368. Pre-Cambrian rocks of Pembroke- Rhoscribed, quarry on roadside be- shire, Dr. l~eks on the, 507. tween Porth-clais and, 534. Pressure structure in banded rock, Rhosson, Pre-Cambrian rocks of, 542. 19. Rhytidos~eus capensis, a Labyrintho- Prince's Dock, Bombay, Capt. Stifle dent amphibian from the Trias of on fossil wood from the, Prec. 4- the Orange Free State, Cape of Pris~icladodus convinnus, 621. Good Hope, Sir R. Owen on, 333. dentatus, 620. Richmond well-boring, Tertiary strata Pristodus falcatus, 623. in the, 730 ; Chalk in the, 731 ; Protocyathus, 834, 835. Upper Greensand inthe, 735; Gault Psammodus rugosus, 629. in the, 736; Neocomian beds in the, Pulvinulina elegans, vat. tenella, 771. 738; Great Oolite in the, 741; Pyroxene, dominant, of the Whin- Poikilitic strata in the, 749. Sill rocks, 646; analysis of, 648. Richmond, Dr. Hinde on some fossil rhombic, of the Whin-Sill Calcisponges from the well-boring rocks, 652. at, 778. , colourless monoclinic, of the ----, Prof. Jones on Foraminifera Whin-Sill rocks, 653. and Ostracoda from a deep boring Pyroxene-andesites, Japanese, 431. at, 765. ----, Mr. Vine on the Polyzoa found Quinqueloculina, sp., 769. in the boring at, 784. , Mr. Homersham on a deep Radiopora pustulosa, 851. boring at, 724. Railway-cutting at Guildford, Lieut.- Ripple-marks in Drift in Shropshire Col. Godwin-Austen on the new, and Cheshire, Mr. T. Mellard 599. Reade on, 267. Rake reservoir, plan of miniature Rissoa subTerforata, 320. delta at, 263. Wyville- Thomsoni, 321. Ramsey lsland, Cambrian and Pro- Roberts, Mr. T., on a new species of Cambrian rocks of, 545. Conoceras from the Llanvirn beds, Sound and Porth-lisky area, Abereiddy, Pembrokeshire, 636. Pre-Cambrian rocks of, 540. Rutley, Mr. F., on strain in connexion Reade, Mr. T. Mellard, on a delta in with crystallization and the develop- miniature, 263. ment of perlitio structure, 340. :== , on ripple-marks in Drift in Shropshire and Cheshire, 267. St. David's district, geological sketch -, on rock-fragments from the map of the, 295. south of Scotland imbedded in the St. David's, Prof. Blake on the vol- low-level boulder-clay of Lanca- canic group of, 294. shire, 270. ~, Dr. Hicks on the Pre-Cambrian l~eceptaculitid~e, Dr. G. J. Hinde on rocks of, 507. the, 795. ~, Pre-Cambrian areas near, 520. t~eceTtaculites, 821. St. David's and Allan valley, 544. aretieus, 845. St. Patrizio, Vallone, section in the, ll 1. --- australis, 844. Salcombe, 9; section near west side - calciferus, 845. of estuary at, 11. . - ? canadensis, 844. Saliferous marls, Mr. C. Parkinson ? carbonarius, 845. on, 248. -- ? dactioloides, 846. Sandalodus minor, 626. devonieus, 846. Sands, Pleistocene, observed in the ---- ? elegantulus, 846. new railway-cutting at Guildford, ? insularis, 846. Lieut.-Col. Godwin-Austen on the, ---- Neptuni, 841. 599. occidentalis, 842. Sandstone of Penrith, Mr. G. V. ---- orbis, 843. Smith on new discoveries of foot- ---- ? retictdatus, 846. prints in the Lower New Red, 479. --- ~ rhombifer, 845. Saskatchewan river, south, section on sacculus, 846. the, near Medicine Hat, 381. 876 GENERAZ INDEX.

Scotland, reek-fragments from the 535 ; showing contact of Cambrian south of, imbedded in the low-level with Dimetian in cliff at Ogof- boulder-clay of Lancashire, Mr. T. llesugn, 537 ; in cliff between Cas- Mellard Reade on, 270. tell and Ogfeydd-duon, 542 ; across ScyThoc~nia excelsa, 705. the Pal~eezoic rocks of Northern ~-- stamin~era, 704. Anglesey, 570; from Tywyn to Seaton and ttartley dykes, 237. Llanfaelog, 573 ; from Lleehyn- Section, microscopic, of mica-schist farwy to Cwaen-hen, 575; from from the Bolt Head, 15. west of Bryn-gwallen to Clymwr, , microscopic, of ehloritie schist 575; in Tywyn ridge, 577; in new from the west side of Prawle Point, railway-cutting at Guildford, 602, 16. 603, 604, 605, 610, 612; showing Sections: on shore east of Prawle relative position of river-gravels Point, 6; of about 1~ mile of near Guildford, 612 ; from Kim- coast west of Prawle Point, 8; berley to the Krokodil river, 661 ; of chloritic and mica-schist on from near Blocmhof to near Midden shore south of Portlemouth, 8; burg, 661 ; at south end of the Lago near west side of estuary, Salcombe, d'Orta, 857 ; under Maggiora, 870 ; 11 ; near Bolt Tail, 12 ; in the across the Chiusella, at the Ponte north bank of the Lagno di Troc- dei Preti, near Strambinello, 862. chin, 87; in the VaUone St. Patri- 8eptastrs~ excavata, 373. zio, 111; across ravine south-west rigida, 711. of Hatcliffe, 164; from Tan-y- Serpentine and associated rocks of wyn, by Llanfaelog, to Ty-Croes Porthalla Cove, Mr. Collins on the, railway-station, 193; from south- 458. west of Llanddeiniolen to Llyn Pad- of Porthalla, 465; analyses of, arn, 198 ; in quarry near Cockfield, 467. 210; of dyke in coal-measures, Shell, from the "Basement" Clay Boldon Pit, 231; of the South-Devon at Bridlington Quay, Dr. J. Gwya coast from Budleigh Salterton to Jeffreys on, 319. Sidmouth, 21)8 ; in miniature delta, , Subapennine, Dr. J. Gwyn Rake Reservoir, 264 ; at Ketley, Jeffreys on Brocchi's collection of, near Wellington, Shrop.shire, 267 ; 28. of ripple-marks at Ketley and Shelly patches in the Boulder-clay at Tranmere, 268 ; on South Saskatch- Bridlington Quay, Mr. I~mplugh ewan river, near Medicine Hat, on the, 312. 381 ; from the Rocky Mountains to Shropshire and Cheshire, ripple-marks Cypress Hills, 382 ; of quarries near in Drift in, Mr. T. Mellard Reade Meerane, in Saxony, showing junc- on, 267. tion of Zechstein and Bunter- Shrubsole, Mr. G. W., and Mr. G. R. schiefer, 391; near Eppignellen, Vine on the Silurian species of 390 ; across GSpelskuppe, near Glauconome, and a suggested classi- :Eisenach, 393; on western side of fication of the Palmozoic Polyzoa, Thuringia combining sections on 329. the Werra railway, from FSrtha Sidmouth, coast-section from, to Bud- to Burckhardsroda, 395; of cliffs leigh Salterton, 258. near Porthalla, 461; from Penera - and Budleigh Salterton, Mr. Head to Porthalla, 462; of hiU A. T. Met~alfe on further dis- near Penrith from which footprints coveries of vertebrate remains in were obtained, 479; of borings, the Triassic strata of the south showing the range of the Palmo- coast of Devonshire between, 257. zolc rocks beneath Northampton, Silurian species of Gla uco~me, ]Hr. 496; from south side of Porth- Vine and Mr. Shrubeole on, 329. Seli, Whitesand Bay, to Pen-y- Simpson, Mr. Martin, award of the Cyfrwy, south-east of Nun's chapel, Murchison Geological Fund to, 524 ; showing Cambrian conglome- Proo. 3 z. rate resting on edge of Pebidian Skull of a Triassic mammal, Sir beds in cliff south-east of Nun's Richard Owen on the, 146.. chapel, 525; from the coast to Slate of Porthalla, 463. Bryn-y-garn, 530; from near Cas- Slaty series of South-Devon coast, 17 ; tell, Ramsey Sound, to Porth-clais, peculiarities of structtire in the, 18. GENERAL INDEX. 877

Smith, Mr. G. V., on fm-ther disco- Stylastr~ea insignis, 371. veries of the footprints of vertebrate Martini, 370. animals in the Lower New Red minuta, 371. Sandstone of Penrith, 479. parasitica, 371. South Africa, Mr. Penning on the L plana, 370. high-level coal-fields of, 658. reptans,.370. --, Sir R. Owen on a Triassic smemurmnsis, 370. mammal from, 146. Stylina, sp., 708, 716. South-Devon coast, foliated series of Subapennine shells, Dr. J. Gwyn the, 13; physical history of the, Jeffreys on Brocchi's collection of, 23. 28. ~, Prof. T. G. Bonney on the ~uTere~j~is ? digita~a, 692. geology of the, 1. Swaby, plan of the country near, 161. South-Wales Lias, Mr. Tomes on the Syenites of Guernsey, 407. Madreporaria of the conglomerates at the base of the, 353. Taleose slates.of Porthalla, 464. Spearing, Mr. H. G. on the recent Tan-y-bryn, section from, by Llan- eneroachments of the sea at West- faelog, to Ty-croes railway-station, ward He !, North Devon, 474. 193. Sl~hceros~ongia, 816 Teall, Mr. J. J. H., petrological notes tessellata, 840. on some ~orth-of-England dykes, Spirillina crassa, 770. 209. helvetica, 770. , on the chemical and microseo- STongia Taradoxica, Prof. T. M'K. 40ieal characters of the Whin Sill, Hughes on the so-called, from the red and white chalk of gun- Temperature, underground, observed stanton, 273. in the Richmond well-boring, 728, Stanley, Mr. W. I~., on the assumed 729. amount of energy developed by the Terebellaria i~wrescens, 793. secular cooling of the earth as Terrestrial and freshwater animals, stated in two papers by the late Prof. T. M'K. Hughes on some Robert Mallet, M.A., F.R.S., in the tracks of, 178. ' Philosophical Transactions,'/~roo. Tertiary formations at the south base 67. of the Alps in North Italy, Lieut.- Start Point, from Torcross to the, 3. Col. Godwin-Austen on some, 855. Steneosaurus, skull of, 158 strata found in the Richmond Stifle, Capt. A. W., on fossil wood well-boring, 730. from the Prince's Dock, Bombay, Testudo (recent), pelvis of, Prec. 56. Prec. 4. Tetragonis Danbyi, 838. Stock, W. F. K., Esq., on the action eifeliensis, 838. of. hydrochloric acid on the rock of parvipora, 838. the Cockfield and Armathwaite sulcata, 838. dyke, 224. Thecosmilia Brodiei, 366. StomatoT~ra dichotoma, 786. confluens, 364. . granulata, ear. minor, 688. -- dentata, 366. Waltoni, 787. Duncani, 366. Strain, Mr. F. Rutley on, in connexion HSrnesii, 364. with crystallization and the develop- P. la~imceandroidea, 720. ment of perlitic structure, 340. major, 367. Strambinello, section across the Chiu- mammosa, 714. sella near, 862 mirabilis, 365. Streptelasma R~mer/, a new coral from rugosa., 364. the Wenlock Shale, Prof. P. M. -- serialis, 365. Duncan on, 167. suttonensis, 365. Structure and classificatory position of Terquemi, 366. Micrabacia coronula, Goldfuss, sp., Thuringia, generalized section on Prof. P. M. Duncan on the, 561. western side of, 395. , perlitic, Mr. F. Rutley on strain Tillingbourne valley, section across, in connexion with crystallization 612. and the development of, 340. Titaniferous iron-ore of the Whin Stylastrma dendroidea, 371. Sill, 650. 878 6~ERAL~D~.

Tomes, Mr. R. F., on the Madrepo- Vertebrate remains, Mr. A. T. Met- taxis of the White Lias of the calfe on further discoveries of, in middle and western counties of the Triassic strata of the south England, and of those of the Con- coast of Devonshire, 257. glomerate at the base of the South- Vesuvius, Mr. H. ft. Johnston-Levis Wales Lies, 353. on the geology of, 35. , on the Oolitic Madreporaria of and Monte Serene, eruptive acti- the Boulonnais, 698. vity of, 44. Torcross to Hope Cove, Prof. T. G. ~, structure of, 41. Bonney on the geology of the coast Views in Allan valley at Porth-clais, from, 1. 532; of quarry in-Allan valley on Tottenham-Court Road, Great Oolite north side of Porth-clais, 534; of strata in Meux's well, 744. quarry on roadside between Porth- Tracks of terrestrial and freshwater elais and Rhoscribed, 534 ; of cliffs animals, Prof. T. McK. Hughes on in east harbour, Porth-lisky, 540 ; some, 178. on south side of Ogof-golebfa, Tranmere, ripple-marks at, 268. Whitesand Bay, 543; west of Treiorwerth syncline, sketch-map of ~un's chapel, 296 ; of Carn-ar-wig the, 572. from the north, 299; in Perth -. , from Ty-hen to the Arch~an Hayog looking south, 305. west of, 574. Vine, Mr., and Mr. Shrubsole on the Tries, general relation of the Permian Silurian species of Glauccnome, and to the, 398. a suggested classification of the and Dyes of Central Europe, Pal~ozoic Polyzoa, 329. Rev. A. Irvillg on the, 389. , on Polyzoa (Bryozoa) found in Triassic ,=ammal (Tritylodo~ lon- the boring at Richmond, Surrey, g~vus, Owen), Sir R. Owen on 784. the skull and dentition of a, 146. --, on some Cretaceous Lieheno- ~. strata, Mr. A. T. Metcalfe on porid~e, 850. further discoveries of vertebrate Volcanic group of St. David's, Prof. remains in, of the south coast of Blake on the, 294. Devonshire, 257. Vu]canology, Mr. H. J. Johnston- Tritylodon lon.qeevus, Owen, Sir R. Levis on, 35. Owen on the skull and dentition of, 146. Water-supply of the Metropolis, 756. Troc]wseris oo litica, 719. Waters, Mr. A. W., on fossil Cyclo- Trowlesworthite, Prof. Bonney on a stomato~ Bryozoa from Australia, specimen of, Prec. 7. 674. Ty-croes station, section from Tan-y- Wellington, drift-section at Ketley bryn to, by Llanfaelog, 193. near, 267. Ty-hen to the Arcbman west of Treior- Wenlock shale, Prof. Duncan on a werth, 574. new coral from the, 167. Tynemouth Dyke, 233; analysis of --, Prof. P. M. Duncan on the rock of, 235. Cyathophyllum FletcIwri, from the, Tywyn Ridge, plan of, 577. 174. , section from, to Ll~nfaelog, Wensleydale, Mr. J. W. Davis on 573. some remains of fossil fishes from the Yoredale series in, 614. Upper Greensand in the Richmond Werra railway, sections on the, 395. well-boring, 735. Westward He!, North Devon, Mr. Urnatopteris tenella, 594. Spearing on the recent encroach- Utriculus co~s~rictus, 321. ments of the sea at, 474. Wethered, Mr. E., on the structure and Vaginulina l~vigata, 769. formation of coal, Prec. 59. Veins and dykes in Guernsey, 416. Whin Sill, Mr. Teall on the chemical Vertebral and cranial characters of and microscopical characters of the,. the Croeodilian genus Plesiosuchus, 640. Owen, Sir R. Owen on the, 153. --, analyses of rocks and mi- Vertebrate animals, Mr. G. V. Smith nerals of the, 640-655. on the ibotprints of, in the Lower White Lias of the middle and western New Red Sandstoue of Penrith, counties of :England, Mr. Tomes on 479. the Madreporaria of the, 353. OENER&L INDEX. 879

Whitesand Bay, sketch of cliffs on Yoredale series, Mr. J. W. Davis on south side of Ogof-golchfa, 543. some remains of fossil fishes from , Cambrian and Pre-Cam- the, 614. brian rocks of, 542. Yorkshire coalfield, Prof. Miall on a Wollaston Donation Fund, award of new specimen of Meya[icMhys from the, to Mr. E. T. Newton, Proc. the, 347. 30. Gold Medal, award of the, to Za~hren~iz cal~eoloides, 497. Prof. A. Gaudry, Prec. 30. mudsSone~i~, 502. Woodward, Dr. H., award of the ~i#a~te=s, 501. Murehison ~[edal to, Prec. 3L ~, sp., 499, 500, 501. zaz~.,.~ (~,rp~.is) ddica~, Xenoyhr#s ~nonticola (recent), skull of, S~rnb., sp., ~r. Kidston on the fruo 49- tification of, 590.

END OF VOL. XL,

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