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THE NATU RALIST, 
A Monthly Illustrated Journal of 
NATURAL HISTORY FOR THE NORTH OF ENGLAND 
EDITED BY 
T. SHEPPARD, M.Sc, F.G.S., F.R.G.S., F.S.A., Sc(^t., 
The Museum, Hull ; 
AND 
T. W. WQODHE/gD. Ph.D., M.Sc, F.L.S., Tech. Coll., 
HUDDERSFmLD. 
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T. H. NELSON, M.Sc, M.B.O.U., RILEY FORTUNE, F.Z.S. 
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NATURE. 
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