THE 
NATURALIST: 
A b , C> (o U ^ ^ 
MONTHLY JOURNAL OF 
NATURAL HISTORY TOR THE NORTH OE ENGLAND 
EDITED BY 
THOMAS SHEPPARD, F.G.S., F.R.G.S., F.S. A. (Scot.). 
Curator of the Municipal Museums, Hull. 
Author of ‘Geological Rambles in East Yorkshire’; ‘The Evolution 
of Kingston upon Hull’; ‘Lost Towns of the Yorkshire Coast,’ etc. 
Editor of Mortimer’s ‘Forty Y'ears’ Researches,’ 
and 
THOMAS WILLIAM WOODHEAD, Ph.D., F. L.S. 
Lecturer in Biology, Technical College, Huddersfield; 
WITH THE ASSISTANCE AS REFEREES IN SPECIAL DEPARTMENTS OF 
J. GILBERT BAKER, F.R.S., F.L.S. 
Prof. PERCY F. KENDALL, M.Sc., F.G.S. 
T. H. NELSON, M.B.O.U. 
GEORGE T. PORRITT, F.L.S., F.E.S 
JOHN W. TAYLOR. 
RILEY FORTUNE, F.Z.S. 
1914 . 
LONDON : 
A. Brown & Sons, Ltd., 5, Farringdon Avenue, E.C. 
And at Hull and York. 
