JULY ipio. 



No. 642 



(No. 420 0/ eurrtnt teriet}. 



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. QILBBRT BAKER. F.R.S. F.L.S., GEO. T. PORRITr, 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 : — 



Notes and Comments (Illustrated) :— Influence of Tectonic Factors on Vegetation ; Influences 

 of the ' Massif ; Wind versus Temperature, etc. ; Patrick Shirreff and the Improvement 

 of Cereals; Selection and Hybridisation ; School Nature Study ; Dew-Ponds 



Notes on Bboria Callglaosa Falconer (Illustrated)— IF>». Falconer 



The Recent Cloud-Burst on the Yorkshire Wolds— /?<;«. E. Maule-Cole, F.G.S 



Notes on Two Large Ammonites from the Holderness Drift— C. Thompson, B.Sc. {Lond.) 



Natural History of Middleton-in-Teesdale 



Geological Notes on the Middleton-in-Teesdale District (Illustrated)— /./.Buy^on, F.G.S. 



The Lower Carboniferous Rocks of Mill QUI (Wensleydale)— Cosmo Johns, M.I.Mech.E., 

 F.G.S 



Field Notes y... ^^.„ 



The Zones of the Lower Cha"' ^ ^^ 



Northern News 



Reviews and Book Notices 



Illustrations 



Plates XL, XI L 



2,254,^g59,26^27f;278, 



249-252 

 253-25* 

 255-256 

 257-259 

 260-267 

 268-27t 



272-276 

 277, 27a 



279-281 

 284 



281-283 

 253, 26» 



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PRICE ed. NET. BY POST 7d. NET. 



