T:tt'~

QUARTERLY JOURNAL

OF ~l

GEOLOGICAL SOCIETY OF .

UXT~ BT

THE ASSISTANT-SECRETARY OF THE GEOLOGICAL SOCIETY.

qao~ si eul mortal;urn eordi et eur~ sit non tautum inventls hssrere, atque i|s u~, sed ad uIterlora penetrate; atque non disputando adversarium, led opere naturam vincere; deuique non belle et probabUitar op~ari~ sed certo et ostensive seire; tales, tanqmLm veri le'~.nt/arumfiIii, nobis (~i videbitur) |e adjungaut. --2Vovum Or~anum; Prefatio.

VOLUME THE THIRTY-FIFrH.

1879.

LONDON : LON(~MANS~ GREEN, READER, AND DYER. PARIS: FRIED. KLINCKSIECK, II RUE DE LILLE; F. SAVY, 24 RUE HAUT]]FEUILLE. LEIPZIG ; T.O.'WEIGEL,

SOLD ALSO AT THE APARTMENT8 0F TH~ SOCIETY,

MDCCCLXIIX, I.t t

o~ THE OFFIaR B

GEOLOGICAL SOCIETY OF LONDON.

Elected February 21, 1879.

H. Clifton Sorby, LL.D., F.R.S.

Prof. P. Martin Duncan, M.B., F.R.S. [ Prof. J. Prestwieh, M.A., F.R.S. Sir P.de M. Grey-Egerton,Bart.,M.P.,F.R.S. [ Prof. A. C. Ramsay, LL.D., F.R.S. ~tcrctar/e~. Prof. T. G. Bonney, M.A., F.R.S. [ Prof. J. W. Judd, F.R.S. dFarti~ :~urtta~. Warington W. Smyth, M.A., F.ItS. ~rtaaurtr. 3. Gwyn $effreys, LL.D., F.R:S.-

H. Bauerman, Esq. Prof. N. S. Maskelyne, M.A., F.1LS. Prof. T. G. Bonney, M.A., F.R.S. J. Morris, Esq., M.A. Prof. P. Martin Duncan, M.B., F.R.S. R. W. Mylne, Esq., F.R.S. Sir P.de M. Grey-Egerton, Bart.,M.P.,F.R.S. J. A. Phillips, Esq. J. Clark Hawkshaw, Esq., M.A. Prof. J. Prestwich, M.A., F.R.S. Henry Hicks, M.D. Prof, A. C. Ramsay, LL.D., F.ILS. W. H. Hudleston, Esq., M.A. Prof. I~I. G. Seeley, F.I~.S. Prof. T. MCKenny Hughes, M.A. Warington W. Smyth, Esq., M.A., F.R.S. J. W. Hulke, Esq., F.R.S. H. Clifton Sorby, LL.D., F.R.S. J. Gwyu Jetfreys, LL.D., F.R.S. Admiral T. A. B. Spratt, C.B., F.ILS. Prof. T. Rupert Jones, F.R.S. Rev. T. Wiltshire, M.A., F.L.S. Prof. J. W. Judd, F.R.S.

~Je/Jtant~burtta~, ~ibrar/an, anb Curator. W. $. Dallas, Esq., F.L.S.

Mr. W. W. Leighton. Kt%rarp a.~ MuSeum ~iStant~. Mr. W. Rupert Jones. [ Mr. 3ames Dallas. T• OF'CONTENTS.

Page A])AMs, Prof. A. L. On Remains of Mastodon and other Verte- brata of the Miocene Beds of the Maltese Islands. (Plate XXV.) 517 ALLPORT, S., Esq. On the Diorites of the Warwickshire Coal-field 637 AVT.W00:D, G~.OROE, Esq. A Contribution to South-American .. With an A-ppendix by the Rev ...... Prof T G BO.NNEY (Plate XXXIH.) ...... 58'2 Bo~rN~.y, Rev. Prof. T. G., M.A. Notes on the Microscopic Struc- ture of some Rocks from Caernarvonshire and Anglesey ...... 305 - . On the Quartz-felsite and Associated Rocks at the Base of the Series in North:western Caernarvonshire. (Plate XIII.) ...... 309 N ore on some Rocks from South America ...... 588

" R-cN~ on the Microscopic Structure of some Shropshire .. 662 ------', and F. T. S. Hovo]rroN, :Esq., B.A. On some Mica-traps from the Kendal and Sedbergh Districts ...... 165 L , and F. T.S. ]=~OUGHTON,~sq. I B.A. On the Metamorphic .Series between Twt Hill (Caernarvon) and Port Dinorwig .... 3"21 B~towN, C. B:, Esq. On the Tertiary Deposits on the SolimSes and Java Rivers, in Brazil With an A endix, by R ETB-EnIDOE, Z~q.,r~.R.~. (Plate ~I.) ...... pp., ...... : ...... ~ 76 . . On the Ancient River-deposit of the Amazon. (Plate XXXVr~I.) ...... 763 BUCXMXN, Prof. J. On the so-called Midford Sands ...... 736 CALLAWAY~ Dr. C. The Pre-Cambrian Rocl~s of Shropshire.~Part I. With Notes on the Microscopic Structure of some of the Rocks, : by Prof. T. G. Bo~-~.Y....-...... 643 CJ~[PB~T.L~ J. :F., :Esq. Qlacial Periods ...... 98 Ctza~P~.~o~rS, A., Esq. Note on some Stromatoporidm from Dartington near Totnes ...... 67 A2 iv TABLE OF CONTENTS. Page CHA~PE~NOW~., A., Esq., and W. A. E. USS]rRR, Esq. Notes on the Structure of the Palaeozoic Districts of West Somerset .... 532 DAvis, T, Esq. On the Microscopical Structure of some Arvonian Rocks from Pembrokeshire ...... 291 DAvis, J. W., ESq. Notes on P/eurodon a2~n/s, sp. ined, Agassiz, and Description of three Spines of Cestracionts from the Lower Coal-measures. (Plate X.) ...... 181 DAWKZNS, Prof. W. BoYD, M.A. On the Range of the Mammoth in Space and Time ...... 13g -, , and Rev. J. M. MELLO. Further Discoveries in the Cresswell Caves ...... 724 DAwson', G. M., Esq., D.Sc. On a new Species of Zoftusia from British Columbia. (Plate VI.) ...... 69 DAWSOH, J. W., Esq., LL.D. On the Microscopic Structure of Stromatoperid~, and on Palaeozoic mineralized with Silicates, in illustration of ~zoon. (Plates III.-V.) ...... 48 DOYLE, P., Esq. On some Tin-deposits of the Malayan Peni,Lquls.. 229

DU~CAX, Prof. P. ~., M.B. On theU~per-Oreensand Coral Fauna of Haldon, Devonshire. (Plate VIII.) ...... 89 ETHERIDGE~ R.~ F~q. No~ on the MoUusca collected by C. B. Brown, Esq., from the Tertiary Deposits of the SolimSes and Javary Rivers~ Brazil. (Plate VII.) ...... 82 ETHEI~rDo~, R., Esq., Jun. On the Occurrence of the Genus Dithyrocaris in the Lower Carboniferous or Calciferous Sand- stone Series of Scotland, and on that of a second Species of .4nthrapal~mon in these Beds. (Plate XXIII.) ...... 464 :FiSHmt, Rev. O. On a Mammaliferous Deposit at Barringten~ near Cambridge ...... 670 GARDNER, J. S., Esq. Description and Correlation of the Bourne- mouth Beds.--Part I. Upper Marine Series ...... 209 I-IAWKSHAW,J. C., ~Esq., M.A. Notes on the Consolidated Beach at Pernambuco ...... 239 HIcKs, II., Esq., M.D. On a new Group of the Pro-Cambrian Rocks (the Arvonian) in Pembrokeshire. With an Appendix by T. DAVrES, Esq ...... 2@5

On the Pro-Cambrian (Dimefian, Arvonian, and Pebidlan) P, ocks in Caernarvonshire and Anglesev. With an Avvendix by Prof. T. G. BeNton.Y, M.A., F.R.S... ~ ...... "..'...... ~. '295 Hn~, G. J., Esq. On Conodonts from the Chazy and Cinclnngti Group of the Cambro-Silm~an, and fl'om the Itamilton and Genesee-Shale Divisions of the Devonian~ in Canada and the United States. (Plates XV.-XVII.) ...... 351 TABLE OF CONTENTS. v Page I~INDV., G. J., Esq. On Annelid-jaws from the Cambro-Sihtrian, Silurian, and Devonian Formations in Canada and from the Lower Carboniferous in Scotland. (Plates XVIII.-XX.) .... 370 HORI~v., JO~rl% Esq., and B. N. P~ACH, Esq. The Glaciation of the Shetland Isles. (Plate XXXIX.) ...... 778 HOUG~tTOl% F. T. S., Esq., B.A., and Profi T. G. BONN~Y, M.A. On some Mica-traps from the Kendal and Sedbergh Districts.. 165 , and Profi T. G. BONNEY, M.A. On the Metamorphic Series between Twt Hill (Caernal~on) and Port Dinorwig ...... 821 HOWlTT, A. W., Esq. Notes on the Physical Goo~aphy and Geo- logy of North Gippsland, Victoria ...... l Hu6t~ms, Prof. T. McK~I~Y2 M.A. Further Observations on the Pre-Cambrian Rocks of Caernarvon. (Plate XXXVI.) ...... 682 ------. On the Silurian Rocks of the Valley of the Clwyd ...... 694 HIILXE, J. W., Esq. Note on Poikilopleuron Bucklandi of Eudes Deslongchamps (j).~re), identifying it with Megalosaurus .Buck- /and/. (Plato X~.) ...... 233 Vectisaurus valdensis, a new Wealden Dinosaur. (Plate XXI.) ...... 421 ------. Note (3rd) on (.Eucamerotus, Hulke) Ornithopsis~ H. G. Seeley,=.Bothriospondylus magnus, Owen~= Chondrosteosaurus magnus, Owen ...... 752 HuIm, Prof. E., M.A. On the Geological Age of the Rocks forming .... 699 I~G~, Roy. A. H.W., M.A. On some Superficial Deposits in the Neighbourhood of Evesham ...... 678 5omm, Prof. T. R., and J. W. KIm~BY, Esq. Description of the Species of the Ostracodous Genus .Bairdia, M'Coy, from the Carboniferous St-rata of Great Britain. (Plates XXVIII.- XXXII.) ...... 565 Jvx_~s-BRowl~m, A. J., Esq., B.A. On the Southerly Extension of the Hessle Boulder-Clay in Lincglnshire ...... 397 Y~IX~BY~ J. W., Esq., and Prof. T. R. JoNxs. Description of the Species of the Ostracodous Genus .Bairdia, M~Coy, from the Carboniferous Strata of Great Britain. (Plates XXVIII.- SXXTI.) ...... 565 ~CXI~TOSX, D., Esq. :Results of a Systematic Survey, in 1878, of the Directions and Limits of Dispersion, Mode of Occurrence, and Relation to Drift-deposits of the Erratic Blocks cr Boulders of the West of and East of , including a Revision of many Years' previous Observations. (Plate XXII.) ...... 425 I~LLO, Rev. J. M.~ and Prof. W. B. DAWKI~S. Further Discoveries in the Cresswell Caves ...... 724 Ow~N, Prof. R., C.B. On the Association of Dwarf Crocodiles (.h'annosuchus and Theriosuchus pusillus~ e. g.) with the Dimi- nutive Mammals of the Purbeck Shales. (Plato IX.) ...... 148 vi TABLE OF CONTEI~TS, Pag~ Ow~, Prof. R., C.B. Description of fragmentary Indications of a huge kind of Theriodont Reptile (Titano~whm ferox~ Ow.) from Beaufort Wes~t, Gouph Tract, Cape of Good Hope. (Plate XI.) ...... , ...... 189 : On the Endothiodont Re~p~tilia,with Evidence of the Species .EndotModon uniseries, Ow. (Plate XXVH.) ...... 557 Psac~r, B. N., Esq, and J. HORNE, ESq. The Glaciation of the Shetland Isles. (Plate XXXIX.) ...... 778 Pall, LIPS, J.A., Esq. A Contribution to the History of Mineral Veins ...... 390 P~AI)~, T. MELL~V, Esq. On a Section of Boulder-chy and Gravels near Ballygatley Head, and an Inquiry as to the proper Classifi- cation of the Irish Drift ...... 679 RuDI)Y, Mr. T. On the Upper Part of the Cambrian (Sedgwick) and Base of the Silurian in North Wales ...... 200 RVTL~Y, F., E sc~. On Community of Structure in Rocks of Di~ similar Origin ...... 327 ------. On Perlitic and Spherulitic Structures in the Lavas of the Glyder Fawr, North ~Vales ...... 508 SEELEY, Prof. H. G. Note on a Femur and a Humerus of a small Mammal from the Stonesfield Slate ...... 456 On the I)inosauria of the Cambridge Greensand. (Plates XXXIV., XXXV.) ...... 591 SB:EIBNER, C. P., F_~sq.,Ph.D. On Foyaite, an El~olitic Syenite occurring in Portugal. (Plates I. & II.) ...... 42 SHRUBSOLE, G. W., Esq. A Review of the British Carboniferous Fenestellid~e ...... 275 SLADF.~, W. P., Esq. On ~od/mu~ Lebouri, a new Species of Agelacrinitidse from the Carboniferous Series of Northumber- land. (Plate XXXVII.) ...... 744 SOLLAS, W. J., Esq., M.A. On the Silurian District of Rhymney and Pen-y-lan~ Cardiff. (Plate XX_[V.) ...... 475- On some Three-toed Footprints from the Triassic (3onglo.. merate of South Wales. With a Supplement by J. SToR~aJ~, F~ ...... 511 STO~IE, J., ESq. On the Triassic Conglomerate near Cardiff .... 515 STR.CHAN, A., ESq., M.A., and A. O. W~LLmr Esq. On the Occurrence of Pebbles with Upper Ludlow Fossils in the Lower Carboniferous Conglomerates of North Wales ...... 268 USSHER, W. A. E., Esq. On the Triassic Rocks of Normandy and their Environments ...... 245 --. , and A. C~rA~pF.~OW~, Esq., M.A. Notes on tile Struc- ture of the Palseozoic Districts of West Somerset ...... 532 TABLE OF CONTENTS, vii Page WALX.~R~ A. 0., Esq., and A. STRAHAN~Esq., M.A. On the 0c- Currence of Pebbles with UpperLudlow Fossils in the Lower ckrbbhiferbfig C6figlbhieratbs of North Wales ...... : 268

Wxc~a2~ Dr. A. A Microscopical Study of some Huronian Clay-slafes ::.'...... '...... ' ...... ,.. 156

Wit.soN, E:, Esq. On the South-Scarlo Section ...... 812

WOODWARD, It., Esq., LL.D. On the Occurrence of JBrancM~ (or Chirocephalus) in a State, associated with /~o- ~h~eroma and with numerous Insect-remains, in the Eocene :l?~r Limestone of Garnet Bay, Isle of Wight. (Plate XIV.) ...... 342

= . Contributions to the Knowledge of Fossil Crustace~t. {Plate XXVI.) ..... , ...... ; ...... b4~.

PROCEEDINGS. knnt/dl'Report ...... ,o List bf Foreign Members: ...... '..., ...... , i g List of Foreign Correspondents ...... ~9 List of Wollaston 1~s ...... o List of Murchison Medallists ...... ~z List of Lyell Medallists ...... 2z List of Bigsby Medallists ...... ~ 3 :Financial Report ...... 2§ Award of the Medals &c ...... 3 x Anniversary Address ...... 39 Donations to the Library (with Biblio~aphy) ...... io8

AUSTIN~ C. E. 2 Each. On the Distribution of Boulders by other Agencies than that of Icebergs. (Abstract.) ...... 3

BAIr, EY, ARrZ~UR, Esq. Letter relating to the Overflow of a Peat-bog near Port Stanley~ in East Falkland ...... 96 CLOUGH, C. T., Esq. The Whin Sill of Teesdale as an Assimilator of the surrounding Beds. (Abstract.) ...... ioo

T~r~mDO~, R., Escl. , Jun. On ,~ Collection of Fossils from thB Bowen-River Coal-field and the Limestone of the Fanning River, ;North Queensland. (Abstract.) ...... i o I viii TABLE OF CONTENTS. Page ETHEI~IDGE, 1~.,Esq., JILl1.,and Prof. H. A. NICHOLSOI~'. On Palaeo- zoic Corals from Northern Queensland~ with Observations on the Genus Stenopora. (Abstract.) ...... zo7 HALL, TOWNSHE~D, M.~ Esq. On the Submerged Forest of Barnstaple Bay. (Abstract.) ...... to6 HOWORTH, H. IL, Esq. The Mammoth in Siberia. (Abstract.).. z KEm)ALL~ J. D., Esq. On the Formation of Rock-basins. (Abstract.) to$ NICHOLSON, Prof. H. A.~ and R. ETHERIDOE, ESq., Jun. On Paheozoic Corals from Northern Queensland, with Observations on the Genus ~.nopora. (Abstracts) ...... 1o7 R~D~ CLsM~a~r, Esq. On the Glacial Deposits of Cromer. (Abstract.) ~0 5 SEELEY, Prof. On the ~Evidence that certain Species of Ic~thgo., ~urus were Viviparous. (Abstract.) ...... zo4 UssHr.~ W. A. E., taE~Pleistocene Notes on the Cornish Coast near Padstow. (Abstract.) ...... S ~. The Pleistocene History of Cornwall. (Abstract.) ...... 6 WOODWARD, H. B., Esq. On aDistarbance of the Chalk at Trowse, near Norwich. (Abstracts) ...... xo~ LIST OF THE FOSSILS FIGURED AND DESCRIBED IN THIS VOLUME.

[In this list, those fossils the names of which are printed in Roman type have been previously described.]

Name of Species. I Formation. [ Locality. [ Pase.

PLANT~ Chara, seeds of ...... ]Tertiary I Brazil l 82 Pachytheca sph~erica ...... ISilurian ::::::::: South Wale;"::: 499

SPONGI,~.

C,aunopora hudzonica. PI. iv. f. 9 l[Silurian & PI. v. f. 10 ...... ~1 ...... Canada ...... 52 C~noJtroma galtense ...... i r~ . 52 ..... nodulata. PI. v. f. 11, 12 ... j~jvevoman ...... 52

~ORAMINIFEKA. ~tu6a columbiana, P1. vi ...... [Carboniferous...I British Columbia[ 74

CO~.LBNTERATA.

( ~Ietinozoa. ) ~4ctlnaeis imdunis. PI. viii. f. 8 ... 93 stellulata. P1. viii. f. 7 ...... 93 Baryhelia reticulata. PI. viii. f. 1... 92 Haldonia Ficaryi. P1. viii. f. 2, 3... 91 Heliopora c~erulea. Pl.viii.f. 16-18 94 Oroser/s ha/donens/#. Pl.viii. f. 9,10 92 Stelloria incru, tans, P1. viii. f. 4, 5 Greensand ...... Hsldon ...... 91 Thamnastr~ea belgica ...... 92 Ramsayi. Pi. viii. f. 6 ...... 92 Trod~oseris constricta, P1. viii. f. 11, 12 ...... ,... 93 . Morrisi. P1. viii. f~ 15--15 ... 94, Trochosmilia variaus ...... , 90 FOS.SIL8 FIGURED AND DESCRIBED,

Name of Species. Formation. I Locality. Page.

]~CHINODERMATA.

/.~/dod/wmLebour/. PI. xxxvii .... iCarboniferous...l Northumberland 744

ANNELIDA.

~dliles awiali,. PI. xviii, f. 17. 378 eerv/eornu. PI. xix. f. 8, 12. 379 , cor*nutua. P1. xviii, f. 13-15. Cincinnati 377 erenu/atm. PI. xix. f. 9 ...... 379 ,'. , criztati~. P1. xix. f. 7 ...... 378 cuspidalus. PI. xviii, f. 19 ... 8~ elegans. PI. xx. f. 5, 7 ...... Silurian 382 gibbosus. PI. xviii, f. 21 ...... ~ 378 hamatus. PI. xviii, f. 12 ...... 377 , Iunatus, PI. xix. f. 4-6 ...... 378 ,'incinnati ,. oblig~ms. PI. xix. L 15 ...... 879 ovalis. P1. xviii. L ~16 ...... peetinalus. PI. xix. f. 11 ...J ! I/ 379 politus. PI. xx. f. 19 ...... Devonian ...... ] / 385 ~sadratus. PI. xix. f. 14 ...... ) Cincinnati ) [ 379 =" rectus. PI. xviii, f. 18 ...... ~ " ..... 378 seoticus. P1. xx. f. 24 ...... Carboniferous Scotl~ad ...... 3837 ~1

- timil~. PI. xx. f. 8 ...... Silurian ...... 382 ~, var. areuatus PI. xx. 1 ~ . Canada ...... -~f 20 " ~ oevoman ...... ~Sg ~176176176176176176176176176 ...... i Eunicites a~inis. P1. xx. L 21-23. ICarboniferous ... Scotland ...... 386 J ? alveolalus. PI. xx. f. 14, 15 Devonian ...... ~ ( 384 chiromorphus. P1. xx. f. 10... 1 ..... [ [ 381 : clintonensis. PI. xix. f. 21 ... f l~llurlan ...... 381 " eoniorlus. P1. xviii, f. 4 ...... ICineinnati ...... 3t/$ coronatus. PI. xx. f. 9 ...... iSilurian ...... t] 381 . ? digitatus. PI. xix. f. 13 ... ]l t 376 graeili#. P1. xix. f. 3 ..... ;... ~.[Cincinnati ...... 376 major. PI xviii, f. 1 ...... J/ 374 nanus PI xx f 18 . "~ I,. 384 " "-." " .'" ...... ' pl)cvoman ...... avalmatus. F1. xx. L J7 ...... J I I 384 .... perdentatus. PI. xviii, f. 6 3 I,~. . ~. [ 375 ssmptex,. _ ri.... xlx. I.. z_ ...... "'" j,~ ,~inclnna~t ...... ~ Canada ...... 376 -- tumidus. P1. xx. f. 16 ...... Devonian..; ..... , I 384 varians. PI. xviii, f. 2, 3, 5... Cincinnati ...... ! 375 Glyeertles calceolus. PI. xx. f. 11. ~Silurian ...... I 384 - sidcatus. PI. xix. f. 1 ...... 1 !..... I 380 : ,wtr. PI. xix. f. 10 ...... ~ I~mc'nnau ...... 380 Lumbrteonereites armatus. PI. xx. ] 11 [ : f. 6 ...... ]. Silurian ...... 383 b~tsalis. PI. xix. f. 22 ...... J i 383 : . daetflodus. PI. xviii, f. 20... Cincinnati ...... 380 7""-- t~iangularzs. Pl. xx. f. 4 ...... !,Sdurian ...... [ 383 2Vereidkvussolitarius. Pt. xx. f. 12 iDevonian ...... ~ ) j :385 FOSSILS FIGURED AND DESORIBED. xi

Name of Species. I Formation. Locality. [Page.

ANNELIDA (continued).

(Enonites amplus. P1. xix. L 23 ... Silurian ...... 382 ? carinatus. PI. xix. f. 19 ... Cincinnati ...... 377

- eompactus. PI. xx. f. 13 ...... Devonian ...... 384 - ~ euneatus. PI. xviii, f. 11 ...... ] 377 Cincinnati ...... eurv/dens. PI. xviii, f. 7 ...... J 376 - fragilis. P1. xx. f. 3 ...... Silurian ...... 382 inmqualis. PI. xviii, f. 8 ...... Cincinnati ...... Canada ...... 376 ? infrequens. PI. xx. f. 2 ...... Silurian ...... 382 . rostratus. PI. xviii, f. 10 ...... 376 Cincinnati ...... - ,erratus. PI. xviii, f. 9 ...... J 376 8taurocephalitesniagaremis. PI. xx. "[ Silurian ...... f. 1 ...... : 383

CRUSTAOEA. Anthrapalmmon Woodwardi. PI. ] xxiii, f. 4-9 ...... I Carboniferous .... Scotland ...... { 468 Maeconoehii. P1. xxiii, f. 10. 471

Archmoniseus Brodiei. PI. xiv. f. 4 'urbeck ...... Wiltshire ...... 348 Bairdia ampla. PL xxviii, f. 20-23,'~ / P|. xxix. f. 3, PI. xxxii, f. 17, ] 8 [ 571 amputata. Pl. xxxi. f. 15-18 i S~6 brevis. P1. xxxi. f. 1-8 ...... [ 575 circumcisa. PI. xxxii, f. 13-16 [ 578 . eurta. P1. xxviii, f. 1-8 ...... 557 9randis. PI. xxix. f. 1, 2 ...... Britain ...... " 572 Hisingeri. PI. xxix. f. 4-10.. Carboniferous... 57b mucronata. P1. xxix. f. 11... I 572 nitida. PI. xxxii, f. 9-12 ... [ 577 plebeia. PI. xxviii, f. 9-19... I 569 prr Pl. xxxii, f. 1-6 ... I 577 siliquoides. P1. xxxi. f. 9-14... J 576 subcylindrica. PI. xxx. f.14,15 Carboniferous .... Bavaria ...... 5~4 subelon#ala. PI. xxx. f. 1-13, ( ~73 16 s~i;g~;;~i/i~.'"~i:'i;ii'i, i'~ :ii ,1 574 submueronata. P1. xxix. [ Carbohiferous .... Britain ...... f. 12-18 I 572 sp. PI. xxxii, f. 7, 8 ...... jJ 578 Branchipodites vectensis. PI. xiv. ~ Eocene Isle of Wight. 346 f. 6-9 ...... ) Dithyrocaris testndineus. PI. xxiii. f. 1 ...... I 465 . tricornis ...... ~ Carboniferous .... Scotland. 466 sp. P1. xxiii, f. 2, 3 ...... I 466 : - sp ...... ] 467 Eosphmroma Brongniartii. P1. xiv. f. 3 ...... f Eocene ...... France ...... 347 fluvi~tile. Pl. xiv. f. I Smithii. PI. xiv. f. 2 ...... " j Eocene... Isle of Wight. ( 346347 gimulus syriaeus. PI. xxvi. f. 6 ... Cretaceous ...... Syria ...... 554 ~eeroscilla tFilsoni. PI. xxvi. f. 3 Carboniferous .... Derbyshire ... 551 SquiUa LewisiL P1. xxvi. f. 4 ...'... Cretaceous ...... Syria ...... 552 , . . pcnnata. P1. xxvi. f. 5 ...... Oolite ...... Bavaria ...... 554 Pdetherelli. P1, xxvi. f. 1 ..... Eocene ...... ,, Highgate ..,... 849 xii 1~088IL8 FIGURED AND DF~CRIB]~D.

Name of Species. Formation. [ Locality. l Page.

POLYZOA.

Fenestella crassa ...... ~[ [ (]279 membranacea ...... [ [ } !t 280 nodulosa ...... ~. Carboniferous .... Britain ...... 279

..... plebeia ...... [ 278 - polyporata ...... ) 279

MOLLUSCK,

( Lamdlibranehiata.) dmbonyehia ? tumida. PI. xxiv. f. 9 ...... } Silurian ...... South Wales ..... 497 .4nisothyriz tumida. PI. vii. f. 2... 86 dnodon, sp ...... 84 Corbula canamaen~ia. PI. vii. f. 3... Tertiary ...... Brazil ...... f 84 Dreissena aeuta. PI. vii. f. 1 ...... 82 Leda ? ambigua. P1. xxiv. L 7 ...... Silurian ...... South Wales ...... 497 Lutraria, sp ...... Tertiary ...... Brazil ...... 84 Modiolopsis acutil~rcra. PL xxiv.'~ r f. 21, 22 ...... ! 496 inflate. PI. xxiv. f. 2 ...... Silurian ...... South Wales ...... { 496 Orthonolus navieula. PI. xxiv. f. 3 J t 496 Thracia, sp ...... 1 84 ~rm~o, sp ...... )" Tertiary ...... Brazil ...... { 84

( Gasteropoda. )

.4ssimi~a ~assa ...... "[[ 86 Brazil ...... ( C~/thium eoronatum. PI. vii. f. 5.. J Tertiary ...... 87 Cyclon~na angulatum. PI. xxiv. f.1 ( / l Silurian South Wales ... / 498 simplex. Pl. xxiv. f. 10 ...... 498 turbi$~tum. PL xxiv. f. 1 ... J l 499 Fene//a, sp ...... Tertiary ...... Brazil ...... i 87 tlolopella gracilis. PI. xxiv. f. 5 ... ] I 498 hydropica. PL xxiv. f. 4..~ Silurian ...... South Wales ... 498 mim~ta. PI. xxiv. f. 6 ...... 498 Hydrobia dubia. PL vii. f. 11 86 86 Melania biearinata. PI. vii. f. 7 Tertiary Brazil ...... 88 sea/at/o/de#. P1. vii. f. 8 ...... 88 triearbmta. PL vii. f. 6 87 Melam~sis ? Brownii. PL vii. f. 87 Murehiscmia eorpulenta. Pl.xxiv.f.ll South Wales ... 499 e/ega~r PI. xxiv. f. 8 ...... Silurian ...... 499 zVerititm ptmeta. PI. vii. f. 9 ...... 85 z/czae. PL vii. f. 10 ...... 85 Odostomia, Ip ...... 86 Pseudolacuna macroptera. P1. vii. Tertiary ...... Brazil ...... t f. 12 ...... 85 lVatica, sp ...... 85 FOSSILS FIGURED AND DESCRIBED. xiii

Name of Species. I Formation. I Locality. IPage.

YERTEBRATA.

(Pisces.)

Clenaeanthus ~equlstrialu#. P1 x 1 [.. . r 1~ " "[ ft~~ Yorkshire ...... 185

Canada ...... ~ 357 Drepanodus arcuatus. PI. xv. f.~]Cincinnatl ...... 7,8 ...... II t 357 Hoplonchus elegans. P1. x. f. 12-14 ] / 183 P/~ricacanthus biserialis. P1. x. f't[ //C~ 16, 17 ...... /S -measures... Yorkshire ...... 186 Pleurodus a~inis. P1. x. f. 1-11 ... J] 181 ~olygnathus coronatus. P1. xvii. l Devonian ...... Canada ...... 365 f. i .,.,...... , crassus. PI. xvii. f. 3 ...... Devonian ...... America... i" 365 cristatus. PI. xvii. f. 11 ...... North 366 - ? eurvatus. PI. xvii. f. 7 ...... Devonian ...... Canada ...... 366 - = dubius. PL xvi. f. 6--18 ...... Devonian ...... North America ...... 362 t duplicatus. PI. xvi. L 19 ...... 364 ? eriensis. PI. xvii. f. 6 ...... Devonian ...... Canada ...... 366 immersus. P1. xvi. f. 21 ...... 364 linguiformis. PI. xvii. f. 15... 1 367 , ~msutus. PI. xvi. f. 22 ...... / 364

. palmatus. P1. xvii. f. 16,17... | 367 Devonian ...... pennatus. P1. xvii. f. 8 ...... I North America... 366 . princeps. PI. xvi. f. 23 ...... [ 365 . punetatus. P1. xvii. f. 14 ...... J 367 radiatus. PI. xvi. f. 20 ...... ] 364 Devonian ...... ? serratus. PI. xvii. f. 4, 5 ... j Canada ...... , 365 ? simplex. P1. xvii. f. 18 ...... 367 solidus. P1. xvii. f. 2 ...... 365 , , t~zncatu.~. PI. xvii. f. 12, 13.. 366 tuberculatus. P1. xvii. f. 9,10 366 Prioniodus abbreviatus. P1. xv. f. 15 ,,. H...,,.,,,. Devonian ...... North America... 359 acicularis. P1. xv. f. 18, 19... 360 ? alatus. PI. xvi. f. 5 ...... 361 angulatus. PI. xv. f. 17 ...... 360 armatus. PL xv. f. 20, 21 ...... 360 clavatus. P1. xv. L 16 ...... 360- elegans. P1. xv. f. 10 ...... Cincinnati ...... Canada ...... 358 erraticus. P1. xv. L 14 ...... Devonian ...... North America ..... 359 fareatu,. PI. xv. f. 13 ...... Cincinnati ...... Canada ...... 358 Panderi. P1. xvi. f. 4 ...... Devonian ...... North America ...... 361 ?politus. PI. xv. f. 11, 12 ... Cincinnati ... ], 358 radieans. P1. xv. f. 1-6 ...... Chazy ...... j Canada ...... 356 - spicalus. PI. xvi. f. 1-3 ...... Devonian ...... North America .... 361 MfliobatisorZygobat~,sp. PI. vH. ~ Tertiary ...... Brazil ...... 88 s 13 ...... xiv ]P088][~8 FIGURIgD AND DESCRIBED.

Name of Species. t Formation. t Locality. IPage.

VERTEBRATA (~[~.d).

( Reptitta. )

At~thopholis eucevcus ...... 632 horridus ...... 596 ~-~-- ~tereoe~eua ...... 628 -.,--- (axis) ...... Greensand ...... Cambridge ...... 594 Anop~#aurus curto~ot~. Pls.xxxiv. and zxxv ...... I 600 q~ajor ...... ,.....,.. 631 Endothiodon bathystoma. PI. xxvii. f. 1' ...... Tfi~ ...... South Africa ... 557 559 uniserie#. PI. xxvii, f. 2-5 ... I " 613 Eucewos~m~s tcmyspondylgs ...... IGreensand . "'"" Cambridge ""''"'" Megalo~urus Bucklandi. Pl'xii... Oolite ...... Eilrope ...... 233 Syngonosaurus macrocertms ...... Greensand ...... Cambridge ... 621 T/wriosuchuspusillus. P1. ix ...... Purbeck Dorset 14s Titanosuchusferox. PI. xi ...... jTriasI ...... South Africa ...... 198 Yecti~zurgs valdem~. PI. xxi .... [We.alden ...... Isle of Wight ...... 421

Halitherium 8ehinzl ? PI. xxv. f.~ fl s, 4 ...... [ Miocene ...... Ma~ta ...... Mastodon angustidens. P1. xxv. f. 5~ H 52352~ Phoca rugosidens. PI. xxv. f. l-3...J tl 524 8tone.field femur and humerus ... Oolite ...... S~nesfield ...... 1 456 EXPLANATION OF THE PLATES.

PLATE PAGE I. ~" MAP AND SI~CTION AND ~'ICROSCOPIC SECTIONS, to illustrate I!. ~ Dr.i C. P. She.ibner's paper on Foyaite ...... , ...... 42

III. ~[ICROSCOPIC SECTIONS OF STROMATOPORIDm,tO illustrate Dr. IV.v. ~ J.W. Dawson's paper on the structure of Stromatoporidm 48

.f ~[xcnoscoeIc SECTIONS OF LO~USIA COLUMBIANA,to illustrate VI. [ Dr. 9. M. Dawson's paper on a new species of Loflusia... 69 r AMAZoNIA~r TERTIARY FOSSILS, to illustrate Mr. Etheridge's VII. ~ Appendix to Mr. C. B. Brown's paper on the Tertiary de- [. posits on the SolimSes and Javary rivers ...... : ...... 76 VIII. { CORAT,S FROM HALVON, to illustrate Prof. P. Martin Duncan's paper on the Upper-Greensand Coral-fauna of Haldon... 89 { DWARF CROCODIL~S, to illustrate Prof. Owen's paper on the IX. association of such animals with the Mammals of the Purbeck Shales ...... ~ 148 { CARBO~IFEaOVS FISU-RE.~AINS,to illustrate Mr. J.W. Davis's paper on those fossils ...... 181 TITAN0SUCtlVS F~.ROX, to illustrate Prof. Owen's paper on a XI. l huge Theriodont Reptile ...... 189 { LI~IB-BONES OF DINOSAURS, to illustrate Mr. J. W. Httlke's XII. paper on Poikilopleuro~ B~w~;landi ...... 233 ,~ SECTIoNsOF QUARTZ-F~LSITES,to ilhmtrate Prof. Bonney's paper XIII. [ on the base of the Cambrian series in N.W. Caernarvonshire 309

XIVo {EOCENE CRUSTACEA FROM THE ISLE OF WIGHT, tO. illustrate Dr. H. Woodward's paper ...... 342

XV. ~CoNoDoNT-REMAINS FROM THE CAMBRO-SILURIAN AND DEVo- XVI. _j NrANSERIES, to illustrate Mr. G. J. Hinde's uaper ...... 351 XVII. XTIII. ( AN~ELID-JAWS FRO~ THE CAMBRO-SILURIAN, SILURIAN, DEV0 o XIX. l NIAS,AND CAREONIF~ROUSFORSATI0~S, to illustrate Mr. G. XX. J. Hinde's paper ...... 370 j" IL~UM AND VERTEBR~ OF VECTISAURUSVALDENSIS, tO illustrate XXI. [ Mr. J. W. Hulke's paper on that Reptile ...... 421 xvi ~[PLANATION OF PLA~S.

PLATX PAOX MAP O~ T~qB NO~-W~T O~ ]~NO~ AND TeZ ~FULS~ FA~ XXIL ~ or Wzzzs, to illustrate Mr. D. Mackinteeh'e paper on the t Distribution of Boulders ...... 40-5 XXIII. ( REMAINS OF .A.NTHRAPAI~MON"AND DITHYROCARI8,tO iUU~ Mr. R. Etheridge, Jun.'s, paper ...... 464 XXI~. ~ SILURIAN FOSSILS FROM RHYMNEY, tO illustrate Mr. W. J. Sollas's paper on the Silurian district of Cardiff" ...... 475 f Rraf~s oF MA~T~z MAMMALS,tO illustrate Prof. A. Leith "L Adams's paper ...... 517 XXYI. Fosslr. Cau~rAc~, to illustrate Dr. tL Woodward's paper... 549 XX'VII. Rm~AXNsOF E~DOTmOD0S, tO illustrate Prof. Owen's paper. 557

XlCgIII. l XXIXyyy" BRrrls~ C~agO~IFZROUS BAIRDIAZ, tO tlhmt~*atcMessrs. Jones ~'~ an(] ]~irkby's paper ...... _ o MAP ~D SZC~O~ OF OOU~T~Y B~Z~ ~m O~NOCO ~T, THE CARA~ALGOLD-DISTR~C~, V~ZUm, A, to illustrate Mr. G. Attwood's contribution to South-American Geology ... 582 XXX~o f BONESOF ANOPLOSAURUSCURTONOTUS, ~O illustrate Prof. Seeley's XXV. ~ paper on the Dinosauria of the Cambridge Oreensand ... 591 ~M'Ap 01~ Tnn PR~-CAMBR~AI~ RRClo.~ Z~-rw~ CAZRNA2VO~ XXXVI. L ~V B~m~o~, to illustrate Prof. Hughes's paper ...... 682 XXXVII. ~ I~P~)oD~scvs LDou~, to iUustmte Mr. W. P. Sladen's paper t on that fossil ...... 744 ~VIII. ~ MAp OF P~ OF Sours AZ~tCA, to illu~rate Mr. C. Brown's paper on the old river-deport of the Amazon ...... 763 XXXIX. ~" MAP OF ~H~ S~r~D ISLES, to illustrate Me~r. Peach and L Home's paper on the glaciation of tho~e ie~nds ...... 778