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~ Decade V.—Vol. IV.—No, XII. 
GEOLOGICAL MAGAZINE 
Monthly Journal of Geology. 
WITH WHICH IS INCORPORATED 
LH GHOLOGIST. 
EDITED BY. 
HENRY WOODWARD, LL.D., F.R.S., F.G.S., &c. 
ASSISTED BY f 
WILFRID H. HUDLESION, F.R.S., &c., Dk. GEORGE J. HINDE, F.R.S., &c., AND 
HORACE B. WOODWARD, -F.R.S., &c. 
DECEMBER, 1907. 
CONTENTS. 
I, OxteinaL ARTICLES. 
The Structure of Glacier Ice. By 
R. M. Destey, M.I.C.E., F.G.S. 
(Plates XXIII and XXIV.)......... 529 
The Relationships of the ‘ Sparasso- 
donta.’ By Dr. W. D. Marruew, 
of the American Museum ot Natural 
History, New York 
Sedgwick Museum Notes: 
Silurian, Haverfordwest. By F. R. 
Cowrrr Rrep, M.A., F.G.S....... 535 
Stratigraphical Note. By T. C. 
Canrritt, B.Sc. Lond................ 537 
The Arthropoda of the British Coal- 
measures. By Henry Woopwarp, 
GoD SER: S.; B.G:S. (Wath 
aves HEPSTIEON. 2 2 asics se e<snlng sn siete 539 
Notes on the Coastal Features in 
Co. Waterford: Tramore Bay, etc. 
By F. R. Cowrrr Resp, M.A., 
F.G.S. (With a Section in text.) 549 
Il. Notices or Memorrs. 
Desert Conditions and the Origin of 
the British Trias. By J. Lomas, 
A.R.C.S., F.G.S8. (Concluded from 
fgets) Arse eect clock wat peatonomagestace 564 
Page 
III. Reviews. Page 
Professor J. P. Iddings: Rock Minerals 563 
Professor Sollas: Rocks of Cape Col- 
ville, New Zealand..............0¢0.00. 564 
J. B. Serivenor: Geological Report 
on Federated Malay States ......... 565 
Dr. Felix Oswald: Geological Map 
GHATINEMIA SK Ateneo crete cas 567 
H. J. Osborne White : Geology around 
Hung rford and Newbury...... ..... 568 
IV. Reports anp ProcrEpines. 
Geological Society of London— 
November 6th, 1907 ..............000 573 
V. CorrESPONDENCE. 
Mac We Ss} Gresley, -F.Gc8_.-.2.. cn ego 
Mass... Dibley, GS. . sccvtsssese 576 
: VI. Oxsrrvary. 
Sir James Hector, K.C.M.G. ......... 576 
VII. MisceLtuaneous. 
The John Francis Walker Collection... 576 
With this Number is presented an Extra Sheet, containing Index and Title 
for Decade V, Vol. IV, 1907. ab 
LONDON: DULAU & CO., 37, SOHO SQUARE, J: 
Price 1s. 6d. net. 
2 1GQ obs ||, 
"= The Volume for 1906 of the GEOLOGICAL MAGAZINE is ready, 
_- price 20s. net. Cloth Cases for Binding may be had, price 1s. 6d. net. 
