APRIL, 1914 
No. 687 
(No. 464 of current series ). 
A MONTHLY ILLUSTRATED JOURNAL OF 
NATURAL HISTORY FOR THE NORTH OF ENGLAND. 
EDITED BY 
T. SHEPPARD, F.Q.S., F.R.Q.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. GILBERT BAKER, F.R.S. P.L.S., OEO. T. PORRITI", P.L.S., P.E.S 
Prof. 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 : — 
Notes and Comments (Illustrated): — The Humber Tunnel : Macadam Roads, and Water: 
' Cleat ’ in Coal Seams ; Ice-flows in the Trent Basin; Scandinavian and British Ice ; A 
Paleolithic Sketch; Conference of British Glacialists; Geographical Distribution; A 
Cumberland Nature Reserve ; Marsh Gas at Bradford : A Geological Study ; The York- 
shire Summer School of Geography 
Coast Erosion at Whitby (Illustrated)—/. T. Sewell 
The Habits of the Merlin (Illustrated) — E. Wilfred Taylor 
Holocene Mollusca from Clapham, Yorkshire—/. Wilfrid Jackson, F.G.S 
Nesting Habits of the Stone Curlew— E. W. Waile. M.B.O.U. 
Poa irrigata Liadmaa in Britain — G. Claridgc Druce 
Taraxacum balticum Dahlst. in Britain — G. Claridge Diuce 
Field Notes Crossbills near York; Waxwings at York; Nesting of the Pochard near 
Selby; Gannet Feeding its Young ; Destruction of Woodpigeons ; Badger Notes ; Poly- 
porus giganteus as a Timber-destroying Fungus ; Hookeria lata-vireus Hook, and Tayl. in 
West Lancashire ; Rare Shells at Filey ; Large Perch at Stamford Bridge ; Large Gray- 
ling in Yorkshire 
In Memoriam : — Major J. Barrett Hamilton ; Horace Bolingbroke Woodward, F.R.S., F.G.S. ; 
Albert Charles Ludwig Gotthilf Gunther ; Sir John Murray; Frederick Brittain 
105-111 
113-114 
115-120 
121-122 
123-121 
125-126 
126 
127-130 
Vertebrate Zoology in Yorkshire— A. Haigh Lundy 
Yorkshire Bryologists at Plumpton— C. A . Chcetkam 
Reviews and Book Notices 
Proceedings of Provincial Scientific Societies 
News from the Magazines 
Northern News 
Illustrations 
Plates IX., X., XI. 
131-132 
133-131 
131 
112 , 130 
120 
135 
114 , 122 , 130 , 136 
... 105 , 112 , 113 
LONDON 
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