THE 
MAT U RA t Sok: 
A 
MONTHLY JOURNAL OF 
NATURAL HISTORY FOR THE NORTH OF ENGLAND 
EDITED BY 
THOMAS) SHEPPARD. E.G.Ss 
CURATOR OF THE MuniciPpAL MuSEvuMS, HULL. 
AUTHOR OF “GEOLOGICAL RAMBLES IN EAST YORKSHIRE”; ‘‘ THE MAKING OF EAST YORKSHIRE” 
EpItoR OF MorTIMER’s “Forty YEARS’ RESEARCHES”; AND OF THE PUBLICATIONS OF THE 
East Ripinc ANTIQUARIAN SOCIETY, AND HULL SCIENTIFIC AND FIELD NATURALISTS’ CLUB 
PRESIDENT OF THE HULL SCIENTIFIC AND FIELD NATURALISTS’ CLUB, OF THE HULL 
GEOLOGICAL SOCIETY, AND OF THE HULL SHAKESPEARE SOCIETY; HON. SECRETARY OF 
THE YORKSHIRE NATURALISTS’ UNION ; MEMBER OF THE COUNCILS AND COMMITTEES 
OF THE BriTIsH AssociATION, Museums’ ASSOCIATION, YORKSHIRE RoMAN ANTI- 
QUITIES COMMITTEE, THE YORKSHIRE GEOLOGICAL SOCIETY, THE EAST 
RipinGc NATuRE StTupy ASSOCIATION, THE EAST RIDING ANTIQUARIAN 
Society, AND HuLi LITERARY CLuB; Hon. LIFE MEMBER OF 
THE SPALDING GENTLEMEN'S SOCIETY ; OF THE DONCASTER 
SCIENTIFIC SOCIETY; ETC. 
‘ 
AND 
OMA S. WiILELAM: WOODHEAD, PhobDs, 7B. r.S- 
LECTURER IN BroLoGcy, TECHNICAL COLLEGE, HUDDERSFIELD; 
WITH THE ASSISTANCE AS REFEREES IN SPECIAL DEPARTMENTS OF 
J. GILBERT BAKER, F.R.S., F.L.S. GEORGE T. PORRITT, F.L.S., F.E-S. 
Pror. PERCY F. KENDALL, M.Sc., F.G.S. JOHN W. TAYLOR. 
T. H. NELSON, M.B.O.U. WILLIAM WEST, F.L.S. 
1907. 
LONDON: 
A. Brown & Sons, LTp., 5, FARRINGDON AVENUE, E.C./79 GG 
AND AT HULL AND YORK. 
