THE 



NATURALIST: 



' ' " A 



MONTHLY JOURNAL OF "^^ 



NATURAL HISTORY POR THE NORTH OF ENGLAND 



EDITED BY 



THOMAS SHEPPARD, F.G.S., F.R.G.S., F.S.A.(Scot.). 



Curator ov the Municipal Muskums, Hull. 



Author of 'Geological Rambles in East Yorkshire'; 'The Evolution 

 OK Kingston upon Hull'; 'Lost Towns of the Yorkshire Coast,' etc.. 

 Editor of Mortimer's ' Forty Years' Researches,' 



THOMAS WILLIAM WOODHEAD, Ph.D., F. L.S. 



Lecturer in Biologv, Technical College, HuimHRsiiKLi) ; 

 with the assistance as referees in special defaktments ok 



J. GILBERT BAKER, F.K.S., F.L.S. GEORGE T. PORRITT, F.L.S., F.E.S. 



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



T. H. NELSON, M.B.O.U. WILLIAM WEST, F.L.S. 



RILEY FORTUNE, F.Z.S. 



1912 



LONDON : 



A. Brown & Sons, Ltd., 5, Farringdon Avemk, E.G. 



And AT Hii.i. and Yt)RK. 



