The Scottish Naturalist 



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36 STRAND, LONDON, W.C., ENGLAND 



THE NATURALIST 



A Monthly Illustrated Journal of Natural History for the North of England 



Edited by T. SHEPPARD, M.Sc, F.G.S., The Museums, Hull, and 

 T. W. WOODHEAD, Ph.D., M.Sc, F.L.S., Technical Col., Huddersfield. 



With the assistance, as Referees in Special Departments, of 



J. Gilbert Baker, F.R.S., F.L.S. ; Professor P. F. Kendall, M.Sc, F.G.S. ; 



Geo. T. Porritt, F.L.S., F.E.S. ; John W. Taylor, M.Sc. ; 



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