SEPTEMBER 1910. 



No. 644 



(No, 422 0/ ourrint series). 



A MONTHLY ILLUSTRATED JOURNAL OF 



NATURAL HISTORY FOR THE NORTH OF ENGLAND. 



EDITED BY 



T. SHEPPARD, F.Q.S., F.S.A.Scot., 



The Museums, Hull ; 



AND 



T. W. WOODHEAD, Ph.D., F.L.S., 



Technical College, Huddersfield. 



WITH THE assistance AS REFEREES IN SPECIAL DEPARTMENTS OF 



J. OILBBRT BAKER, F.R.S. F.L.S., GEO. T. PORRITF, F.L.S., F.E.S., 



Prof. P. F. KENDALL, M.Sc, F.Q.S., JOHN W. TAYLOR, 



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



RILEY FORTUNE, F.Z.S. 



Contents : — 



PAOB 



Notes and Comments: — British Botanical Association; The Sheffield Handbook ; The Wood- 

 lands of England : — (i.) The Alder- Willow Series ; (ii.) Oak and Birch Series ; (iii.) Beech 

 and Ash Series 317-320 



The Chemistry of some Common Plants— P. (?. A'eeg^rtM.LL.r) 321,322 



Keys to the Families, Genera and Species of British Spiders, etc.— Win. Falconer ... 323-332 



Yorkshire Naturalists at Malham—r. S 333-338 



Coleoptera of the Grangetown Slag-Heaps— Geo. B. Walsh, B.Sc 339-340 



The Natural History of Spurn— 2 .5 341-345 



Field Notes 340, 345-348 



Reviews and Book Notices ... 322 



Proceedings of Provincial Scientific Societies 3-38 



Northern News 320,348 



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