5 , */ 
OJGUST, 1933 
No. 919 
No. 692 of current Series 
A MONTHLY 
ILLUSTRATED JOURNAL 
PRINCIPALLY FOR THE NORTH OF ENGLAND. 
Edited by 
W. H. PEARSALL, D.Sc., F.L.S., and W. R, GRIST, B.Sc., 
The University, Leeds. 
with the assistance as referees in special departments of 
H. B. Booth, F.Z.S. M.B.O.U. Riley Fortune, F.Z.S., F.R.P.S. 
J. M. Brown, B.Sc., F.L.S., F.E.S. Professor A. Gilligan, D.Sc., F.G.S., M.I.M.E. 
W. H. Burrell, F.L.S. F. A. Mason, F.R.M.S. 
Chris. A. Cheetham, F.E.S. Mrs. Elsie M. Morehouse. 
W. J. Fordham, M.R.C.S., L.R.C.P., Thos. Sheppard, M.Sc., F.G.S. 
D.P.H. T. W. Woodhead, Ph.D.,M.Sc., F.L.S. 
The Constituents of Banded Humic Coals- 
Crookall, mSfi., Pkjx . — — -*n j. 169-176 
Evidence of Subsidence at HiUl— T 
^XfONAL Mt3 
Field Notes . 
William Spence, 1782-1860— Frauds /. Griffin, A.L.A . 
Northern News ....... 
Hull’s Water Supply ( illustrated ) — T.S. 
Reviews and Book Notices ..... 
Yorkshire Naturalists at Dent 
Geological Notes ..... 
News from the Magazines . 
176 
177 
178 
178 
179 
180' 
. 181-190' 
. 190-191 
180, 191-192 
LONDON : 
A. BROWN & SONS, Ltd., 5 Farringdon Avenue, E.C.4. 
And at Hull. 
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PRICE 1/6 net. 
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