The Quarterly Journal of the Geological Society of London

THE

QUARTERLY JOURNAL

OF THE

GEOLOGICAL SOCIETY OF LONDON.

EDITED BY

THE ASSISTANT-SECRETARY OF THE GEOLOGICAL SOCIETY.

Quod si cui mortalium cordi et curæ sit non tantum inventis hærere, atque iis uti, sed ad ulteriora
penetrare; atque non disputando adversarium, sed opere naturam vincere; denique non belle et probabiliter
opinari, sed certo et ostensive scire; tales, tanquam veri scientiarum filii, nobis (si videbitur) se adjungant.
-Novum Organum, Præfatio.

VOLUME THE SIXTY-THIRD.

1907.

LONDON:

LONGMANS, GREEN, AND CO.

PARIS: CHARLES KLINCKSIECK, 11 RUE DE LILLE.

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Sir Archibald Geikie, K.C.B., Sc.D., D.C.L., LL.D., Sec.R.S.

Vice-Presidents.

John Edward Marr, Sc.D., F.R.S.

Prof. William Johnson Sollas, Sc.D., LL.D., F.R.S.

Aubrey Strahan, Sc.D., F.R.S.
J. J. Harris Teall, M.A., D.Sc., F.R.S.

Secretaries.

Prof. William Whitehead Watts, M.A., | Prof. Edmund Johnstone Garwood, M.A. M.Sc., F.R.S.

Foreign Secretary.

Treasurer.

Sir John Evans, K.C.B., D.C.L., LL.D., | Horace Woollaston Monckton, Treas.L.S. F.R.S., F.S.A., F.L.S.

COUNCIL.

Henry Howe Arnold-Bemrose, J.P., M.A. Prof.Samuel Herbert Cox, F.C.S.,A.R.S.M. Sir John Evans, K.C.B., D.C.L., LL.D., F.R.S., F.S.A., F.L.S.

Prof. Edmund Johnstone Garwood, M.A.
Sir Archibald Geikie, K.C.B., Sc.D., D.C.L.,
LL.D., Sec.R.S.

Wilfrid H. Hudleston, M.A., F.R.S., F.L.S.
Finlay Lorimer Kitchin, M.A., Ph.D.
George William Lamplugh, F.R.S.
Prof. Charles Lapworth, M.Sc., LL.D.,
F.R.S.

Richard Lydekker, B.A., F.R.S.
John Edward Marr, Sc.D., F.R.S.

Horace Woollaston Monckton, Treas.L.S.
Frederick William Rudler, I.S.O.
Prof. William Johnson Sollas, Sc.D.,LL.D.,
F.R.S.

Leonard James Spencer, M. A.
Aubrey Strahan, Sc.D., F.R.S.
Charles Fox Strangways.

J. J. Harris Teall, M.A., D.Sc., F.R.S.
Richard Hill Tiddeman, M.A.

Prof. William Whitehead Watts, M.A.,
M.Sc., F.R.S.

Henry Woods, M.A.

Arthur Smith Woodward, LL.D., F.R.S. Horace Bolingbroke Woodward, F.R.S.

Assistant-Secretary, Clerk, Librarian, and Curator

TABLE OF CONTENTS.

Page

ANDREWS, Dr. CHARLES WILLIAM. Note on the Cervical Vertebra
of a Zeuglodon from the Barton Clay of Barton Cliff (Hamp-
shire)

ARBER, E._ A. NEWELL. On the Upper Carboniferous Rocks of

West Devon and North Cornwall...

124

ARNOLD-BEMROSE, HENRY HOWE. The Toadstones of Derbyshire:

their Field-Relations and Petrography (Plates XIX-XXII) .. 241

BALDWIN-WISEMAN, WILLIAM RALPH. The Influence of Pressure
and Porosity on the Motion of Sub-Surface Water (Plate V).. 80
BOLTON, HERBERT. On a Marine Fauna in the Basement-Beds of
the Bristol Coal-field (Plate XXX).

BONNEY, Prof. THOMAS GEORGE. On the Southern Origin attri-

buted to the Northern Zone in the Savoy and Swiss Alps

....

BUCKMAN, SYDNEY S. Brachiopod Morphology: Cincta, Eudesia,

and the Development of Ribs (Plate XXIV)

On the Correlation of the Bath-Doulting Strata with those

of Dorset

DAVIES, Dr. ARTHUR MORLEY. The Kimeridge Clay and Corallian

Rocks of the Neighbourhood of Brill, Buckinghamshire

(Plate I)

445

294