OCT. 1917. 



No. 729 



(No. 504 of current teriet) 



A MONTHLY 



NATURAL HISTORY 



ILLUSTRATED JOURNAL OF 



FOR THE NORTH OF ENGLAND. 



EDITED BY 



T. SHEPPARD, M.Sc, F.d.S., F.R.G.S., F.S.A.Scot.. 



The Museums, Hull; 



AND 



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



Technical College, Huddersfield. 

 with the assistance as referees in special departments of 

 J. OILBERT BAKER, P.R.S. P.L.S., OEO. T. PORRITl/ P.L.S.. F.E.S., 



Prof. P. P. KENDALL, M.Sc, P.O.S., JOHN W. TAYLOR, MiSfc.L 



RILEY FORTUNE. F.Z.S. 



Contents : — 



A: 



Jt£Jon»i ft4> 



Notes and Comments:— Brittsh Association's Report; Shells and Early Culture ; York- 

 shire Philosophical Society; A Link with the Past ; The Marine Biological Association ; 

 Rugby School Naturalists ; The Antler Moth Plague ; Caterpillars Migrating ; Science 

 Progress ' 305-308 



A New Species of Lima from the English Chalk (illustrated)— T. Sheppard, M.Sc, 



F.G.S 309-311 



The Geographical Distribution of Moths of the Sub-Family Bistoninae— J. W. 



Heslop Harrison, D.Sc. ... 



312-320 

 321-327 

 328-329 

 330-332 

 332-32J 



The Mosses and Hepatics of Denbighshire — D.A.Jones 



Hedge Beadstraw among Stone Walls— F. A. Lees 



Notes on the Slugs and Land Shells of Iceland — Hans Schlesch 



Notes on Margaritaaa margaritlfera (Linne) — Hans Sehlesch 



Field Notes : — Thecosmilia sp. in the Millepore Oolite of South Cave ; Birds in Wharfedale ; 



Wilsden Lepidoptera ; Mammoth Teeth on the Yorkshire Coast 311,320,329 



Proceedings of Provincial Scientific Societies 334 



News from the Magazines 335 



Northern News 327, 336 



Illustrations 311 



LONDON : 



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



And at Hull and York. 



Printers and Publishers to the Y.N. U. 



Prepaid Subscription 6/6 per annum, post free. 



