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No. 683. 
‘per tenat seams 
Vol. LVIII of Whole Series. 
Price 2s. 6d. 
The 
eological Magazine 
OR 
Monthly Journal of BOOLGIT: 
WITH WHICH IS INCORPORATED an 
THE GEOLOGIST” ae se 
EDITED BY are yA si 3 
34 4\ : : 
ips, + 
HENRY WOODWARD, (es 
AND 
R. H. RASTALE, Sc.D., 
eT EN ry 
an iti Sills 
Fee 
M.INs 
ASSISTED BY 
PROF. J. W. GREGORY. D.Sc... ¥.R.S. 
. H. HATCH, PH.D., M.INsTt.M.M. 
PRoF. J. E. MARR, Sc.D., '.R.S. 
Sir JETHRO J. H. TIHALL, Sc.D., F.RB.S. 
PROF. W. W. WATTS, Sc.D., F.R.S. 
HENRY WOODS, M.A., F.R.S. 
A. SMITH WOODWARD, LL.D., F.R.S: 
MAY, 
1921. 
CONTENTS :-— 
Page | 
HDETOREATE NOTES sss-ccmeaciecleccccee GB} 
ORIGINAL ARTICLES. 
On Cycles of Sedimentation in the 
Eocene. By L. DUDLEY STAMP. 
(With 1 Text-fig.) (Concluded.) 194 
Boulders of Cambridge Gravels. 
By J. H. A. WHEALLER ......... 
Note on the Rocks of Darfur. By 
H. LyNnes and W. CAMPBELL | 
SMITH. (With 1 Text-fig.) . 206 | 
200 
Tertiary Gravels in Aberdeenshire. 
By J. S.FLretrand H. H. READ. 
(MWVAtiloy 2 Mesie-s8e4S)5)) ccosbomoocdasance 215 
REVIEWS. 
Devonian Hlonusteeeeeecese haere eee 226 
Paleozoic Geography ............... 227 
GeolosicallMianseeens eee eee reer 228 
Southern Rhodesia .................. 228 
Every Boy’s Book of Geology .. ... 230 
Iron Ores of Great Britain ......... 230 | 
LONDON: DULAU & CO., Lrp 
REVIEWS (continwed). Page 
Bibliotheca Chemico-Mathematica 232 
Ore Deposits of Utale.-.:.:......-..-.- 232 
South African Limestones ......... 232 
Agricultural Geology.................. 233 
Dalmanites Shales of Scania ...... 233 
REPORTS AND PROCEEDINGS. ? 
Mineralogical Society). 2. .....-0-- 234 
Edinburgh Geological Society...... 235 
Liverpool Geological Society ...... 236 
Cornish Institute of Engineers ... 236 
Geologists’ Association........... bone 2Est 
CORRESPONDENCE. 
Ho 1D)s, INEMIGOINEH’: \ cduboduGsonseseosusbocee 237 
ING Masi OUWVeSTEnh caren soda fonts 2orl! 
GJan(Grs JE kHonlh Wi? mss anoaceteaaiosanecaaete 238 
DIVERS G6 O OLY, pre been aschatnete samceses 239 
Dp Wiss vance poset scoot eer aee meee 239 
OBITUARY. 
Mo Vp We MOI ANSURR st ,céon5enencpbecso00 240 
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