OCT. 1921. 



No. 777 



No. 551 of current Series 



A MONTHLY ILLUSTRATED JOURNAfc- OF 



NATURAL HISTORY FOR THE NOR 



EDITED BY 



T. SHEPPARD, M.Sc, F.G.S., F.R. 



The Museums, Hull; 



AND 



T. W. WOODHEAD, Ph.D., M 



Technical College, Huddersfi 

 WITH THE ASSISTANCE AS REFEREES IN SPECIAL DEPARTMEN 



G. T. PORRITT, F.L.S., F.E.S. 

 JOHN W. TAYLOR, M.Sc. RILEY FORTUNE, F.Z.S. 



.0^.|S.^.^cyg21 

 ■ieid, ^<.^riu]'\ 



Contents s— 



Notes and Comments (illustrated) : — England's Playground ; Lincoln- 

 shire Naturalists ; Chester and Natural Science ; What is it ? 

 Lancashire and Cheshire Entomologists ; British Mammals, etc. 

 Bradford and Education ; British Mycological Society ; Other 

 Papers ; ' Obsession ' v. Theft ; Copper in Crustacea ; Foxgloves. 



' British ' Pottery made by ' Flint Jack ' (illustrated) — T . Sheppard 

 M.Sc. 



Vegetation of Drying Mud & Retarded Germination — E. J. Salisbury 



Preliminary List of Yorkshire Hemiptera-Heteroptera — W. J 

 Fordham, M.R.C.S.. D.P.H., F.E.S 



Midge -Galls of Yorkshire — Richards. Bagnall, F.R.S.E., F.L.S.. and 

 J. W. H. Harrison. D.Sc, F.R.S.E 



Field Notes : — Large Trout near Whitby ; Plants in the Scilly Isles 



Correspondence : — Damage by Wild Rabbits and Hares ; Picture 

 Houses and Bird Life ; Protection from Flies 



Key to the Harpidioid Hypna — /. A. Wheldon 



Yorkshire Naturalists at York (illustrated) — F 

 and. W. H. Pearsall, D.Sc. 



Reviews and Book Notices ... 



Proceedings of Provincial Scientific Societies 



News from the Magazines ... 



Northern News 



Illustrations ... ... ... ... ... ... 321, 322, 323, 326, 



A. Mason. F.R.M.S 



■ 321-3^.5 



326-328 

 329-332 



333-33f> 



337-341 

 32S 



342 

 343-34f> 



347-351 



342 



341 



351 



346, 352 



327, 350 



LONDON : 

 A. Brown & Sons, Limited, 5 Farringdon' Avenue, E.C. 4. 



And at Hull and York. 

 Printers and Publishers to the Y.N.U. 



Price 1/- net* Prepaid Subscription 10/6 per annum. 



