ry\ ^ 





THK 



NATURALIST: '^ 



A 

 MONTHLY JOURNAL OF 



NATURAL HISTORY FOR THE NORTH OF ENGLAND 



RDITHI) BV 



THOMAS SHKPPARD, F.G.S., F.S.A. Scot. 



CruAToK oi- 1 UK MLMCirAi, Museums, Hull. 



1'asT PrESIDKNT of THK HlLL SCIENTIFIC ANIJ FlELD NATURALISTS' ClUB, OF THE Hlir. 



Geological Society; Hon. Secretary of the Yorkshire Naturalists' 



Union; Hon. Life Member of the Spalding Gentlemen's Society; of 



THE Doncastkr Scientific Society; etc. 



and 



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



Lecturer in HioLotn-, Technical College, Him5i>ersfielii ; 



\VITH the assistance AS REFEREES IN SPECIAL DEPARTMENTS OF 



J. GILBERT BAKHR, F.R.S., F.L.S. GEORGE T. PORRITT, F.L.S., F.l-.S. 



Prof. PERCY F, Kl-XDALL, IVLSc .. F.G.S. JOHN W. TAYLOR. 



T. H. NELSON. M. B.O.I'. WH.LIAM WEST, F.L.S. 



RH.EY FORTUNE, F.Z.S. 



1910 



;i;<:ooq4 



LO.XDOX : 



A. I?K()\v\ & So.ws, Ltd., 5, P\\kringdon Avf:.\i 1;, E.G. 



And AT Ilri.i. .\\d York. 



