IOV., 1933 
No. 922 
No. 695 of current Series 
ILLUSTRATED J 
PRINCIPALLY FOR THE NORTH 
w 
Edited by 
. H. PEARSALL, D.Sc., F.L.S., and 
The University, Leeds. 
H. B. Booth, F.Z.S. M.B.O.U. 
J. M. Brown, B.Sc., F.L.S., F.R.E.S. 
W. H. Burrell, F.L.S. 
Chris. A. Cheetham, F.R.E.S. 
W. J. Fordham, M.R.C.S., L.R.C.P., 
D.P.H. 
with the assistance as referees in special departments of 
Riley Fortune, F.Z.S. , F.R.P.S. 
Professor A. Gilligan, D.Sc., F.G.S., M.I.M.E. 
F. A. Mason, F.R.M.S. 
Mrs. Elsie M. Morehouse. 
Thos. Sheppard, M.Sc., F.G.S., F.Z.S. 
T. W. Woodhead, Ph.D.,M.Sc., F.L.S. 
Contents 
British Association Notes and Comments — T.S. 
Albino Cuckoos and other Cuckoo Notes — H . B. 
Booth. ....... 
Note on an unusual Habitat of Marchantia Poly- 
morpha, and its Seasonal Aspects — W. 
Raymond Philipson, B .A . 
Reviews and Book Notices .... 
Calcareous Nodules (‘ Coal Balls ’) and Their 
Significance — R. Crookall, D.Sc., Ph.D. 
The Sleeping Habits of Whales — R. W. Gray. 
In Memoriam — Mr. A. I. Burnley (portrait) — 
D.W.B. 
Field Notes .... 
Northern News 
Recent Geological Records from 
— C. W. Wright . 
News from the Magazines . 
Portrait .... 
East Yorkshire 
PAGE 
241-249 
250-251 
251-252 
249 , 252 
253-256 
257-260 
261-262 
249 
260, 262 
263 
262, 264 
26l 
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