JULY 1914. 
No. 690 
(No. 467 of current series ). 
A MONTHLY ILLUSTRATED JOURNAL OF 
NATURAL HISTORY FOR THE NORTH OF ENGLAND. 
EDITED BY 
T. SHEPPARD, F.Q.S., F.R.O.S., F.S.A.Scot., 
The Museums, Hull; 
and 
T. W. WOODHEAD, Ph.D., F.L.S., 
Technical College, Huddersfield. 
WITH THE ASSISTANCE AS REFEREES IN SPECIAL DEPARTMENTS OF 
J. QILBERT BAKER, F.R.S. F.L.S., OEO. T. PORRITT, F.L.S., F.E.S 
Prol. P. P. KENDALL, M.Sc., F.Q.S., JOHN W. TAYLOR, 
T. H. NELSON, M.B.O.U., WILLIAM WEST, F.L.S., 
RILEY FORTUNE, F.Z.S. 
Contents : — 
PAGE 
Notes and Comments: — Jubilee Numbers; Geological Magazine; Marvels of Insect 
Life ; Another New Yorkshire Bird ; A New Shell ; The Carlisle-Solway Basin ; Another 
Important Link; Scandinavian Drift of the Durham Coast; Pre-Glacial Depressions ; 
Scottish Rocks ; Yorkshire Drift 201-205 
Faulting in Boulder Clay at Dimlington, E. Yorks. (Illustrated)— Geo. Sheppard, F.G.S. 200 
Movements of Aquatic Micro-Organisms in response to External Forces 
(Illustrated ) — Harold IVager, F.R.S 207-214 
British Oribatidse: Notes on New and Critical Species (Illustrated)— Rev. J. E. Hull ... 215-220 
Yorkshire Naturalists at Filey (Illustrated)— XV.E.L. W., etc 221-225 
Field Notes : — Re-discovery of an Uncommon Sedge in the East Riding ; Ophion stig- 
maticus, etc., in Yorkshire ; Pisidium henslowanum in Lines. S. ; Lincolnshire Neuroptera 
and Trichoptera ; White-beaked Dolphin at Redcar ; Hypnum fluitans, group Amphibium 
var. Robertsiae Ren. and Dixon ; Eurhynchiwn Sivart :ii ... 214,226,231 
In Memoriam : William West, F. L.S. (Illustrated) 227-230 
Museum News 205 
Book Notice 220 
News from the Magazines 231 
Northern News 232 
Illustrations ^ 20G, 208 
Plates XIX., XX., XXL, XXII. 
LONDON : 
A. Brown & Sons, Limited, 5, Farringdon Avenue, E.C. 
And at Hull and York. 
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Prepaid Subscription 6/6 per annum, post free 
