>Re 
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Magazine 
On 
Monthly Fournal of Geology. 
WITH WHICH IS INCORPORATED 
ver Be 
VY & El fer 
THE GEOLOGISTS. | = te,. 
HENRY WOODWARD, LL.D., ‘RB, 8. 
Pror. J. W. GREGORY, D.Sc... F.R.8. 
¥, H. HATCH, Pu.D., M.INst.M.M. 
PRoF. J. . MARR, &¢.D., F.R.S. 
EDITED BY { i7 
6; 
AND 
R. H. RASTALE, M.A. 
ASSISTED BY 
Sim JETHRO J. H. 1EALN, Sc.D., F.R.S. 
Pror. W. W. WATTS, Se.D., F.R.S. 
HENRY WOODS, M.A., F.R.8. 
A. SMITH WOODWARD, LL.D., F.R.S. 
FEBRUARY, 1921. 
CONTENTS :— 
Page 
DD OR TAT NOMBSH ce cslcrl-tle stl 49 
ORIGINAL, ARTICLES. 
The Glaciation of Ireland. By 
Professor P. F. KENDALL......... 50 
Kehinoids from Shenley Hill. By 
Professor H. L. HAWKINS ...... 57 
The Interglacial Problem and the 
Glacial and Postglacial Sequence 
in Northumberland and Durham. 
By Dr. D. WoonaAcortT. (Con- 
CUUCCON) karen: Hee ote as nas 
On Hugyrinus wildi. By D. M.S. 
Watson. (With a Text-figure.) 
The Oil Region of the Northern 
Punjab. By Dr. H. PREISWERK. 
(With 5 Text-figs.) (Continwed.) 
REVIEWS. 
Geology of India 
Type Ammonites 
| REVIEWS (continaed). Page 
The Mineral Industry of the British 
BMP UL ea a were eeee ee nce sae 82 
Lorraine and Saar Mining Regions 83 
| A Textbook of Geology............... 83 
| The Data of Geochemistry ......... 84 
; Mineral Resources of Great Britain: 
| Oi Jet and Cannel Coal ......... 85 
IBPN Say IbRovel ORES “soosoooseooseneassdun 86 
| Keconomic Geology of Central 
ISKGCOLH EE AVG bes rs Cnet Ara Reet A 86 
Sulphides and Silicates............... 87 
REPORTS AND PROCEEDINGS. 
Royal Geological Society of Cornwall 90 
Yorkshire Naturalists’ Union ...... 91 
Edinburgh Geological Society ...... 92 
| Geologists’ Association............-.- 93 
| CORRESPONDENCE. 
| Major G. W. Williams ......:........ 94 
SIR OWi J CKSOM er Hemme vastcecnerics 96 
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