THE 



NATURALIST: 



N> 



MONTHLY JOURNAL OF 



NATURAL HISTORY FOR THE NORTH OF ENGLAND 



EDITED BY 



THOMAS SHEPPARD, F.G.S., 



Curator OF the Mi nicipal Museums, Hull. 



Author of "Geological Rambles in East Yorkshire" ; "The Making of East Yorkshire" : 

 ■Editor of Mortimer's "Forty Years' Researches." 



Hon. Secretary of the Yorkshire Naturalists' Union; President of the Hill 

 SciKNTiKic and Field Naturalists' Club ; Member of the Councils and Committees 

 OF THE British Association, Museums' Association, Yorkshire Roman Anti- 

 fiuiTiES Committee, the East Riding Nature Study Association, the 

 East Riding Antkjuarian Society, the Hull Geological Society, 

 and Hull Literary Club; Chairman of the Hull Shakes- 

 peare Society; Life Member of the Yorkshire 

 Geological Society ; Hon. Life Member of the 

 Spalding Gentlemen's Society; etc. 



I 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. GEORGE T. PORRITT, F.L.S., F.E.S. 



j Prof. PERCY F. KENDALL, M.Sc, F.G.S. JOHN W. TAYLOR. 



' T. H. NELSON, M.B.O.U. WILLIAM WEST, F.L.S. 



1906. 



LONDON : 



A. Brown & Son.s, Ltd., 5, Farringdon Avenue, E.G. 



And .\t Hull and York. 



