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THE NATURALIST. 
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., Scot., 
The Museum, Hull ; 
AND 
T. W. WGODHEAD, Ph.D., M.Sc, F.L.S., Tech. Coll., 
^.i v' |t A i '. (J • ' HUDDERSFIELD. 
WtTd TBlS AfeSISTANtE AS REFEREES IN SPECIAL DEPARTMENTS OF 
<l. GILBERT BAKtR, F.R.S., F.L.8., GEO. T. PORRITT, F.L.S., F.E.S. 
PROF. P. F. KENDALL, M.Sc, F.G.S., JOHN W. TAYLOR, M.Sc. 
T. H. NELSON, M.Sc, M.B.O.U., RILEY FORTUNE, F.Z.S. 
This Journal is one of the oldest Scientific Periodicals in the British Isles dating back to 1833. 1 
London: A. BROWN & SONS, Ltd., ^, FARRINGDON AVENUE/ E.G. 
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NATURE. 
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'* NATURE " contains Original Articles on all subjects coming within 
the domain of Science, contributed by the most eminent scientific writers 
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and off Intercommunication among men off Science ; Accounts off the 
leading Scientific Serials ; Abstracts off the more valuable papers which 
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off current scientific interest. 
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