^ 



JAN. 1921. 



No. 768 



No. 542 of current Series 



A MONTHLY ILLUSTRATED JOURNAL OF j^ 



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 Museums, Hull : ^ ^ 



AND ' <«4»»ajJ Mr: 



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



Technical College, Huddersfield, 

 WITH THE ASSISTANCE AS REFEREES IN SPECIAL DEPARTMENTS OF 



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

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



B.Sc. 



Contents s— 



Notes and Comments: — Subscription to the Yorkshire Naturalists' 

 Union ; Mr. H. H. Corbett ; Unveiling a Memorial ; The Contents 



Pine Marten in East Yorkshire — W . H. St. Quintin, M.B.O.U., F.Z.S. 



The Conglomerates underlying the Carboniferous Limestone in the 

 North -West of England — II. (illustrated) — /. A. Buiterfield, M.Sc 

 F.G.S. 



The Millstone Grits West of Huddersfield— II.— I^F. S. Bisat.. 



Some Derbyshire Plant -Galls — II. — James Meikle Brown, 

 F.L.S.. F.E.S. , F.C.S 



Chironomid Parasite and its Effects — John H. Ashworth 



Key to the Harpidioid Hypna — /. A . Wheldon 



The Ecology of Thorne Waste — Rev. E. A. Woodruffe- Peacock, F.L.S., 

 F.G.S., F.E.S., etc. 



Some New Natural History Books (illustrated) 



Yorkshire Naturalists' Union : Entomological Section — B. Morley 



Yorkshire Naturalists at Bradford — W. E. L. W. 



Field Notes : — Glacial Erratics at Scarborough ; Permian Marls at 

 Ripon ; Schizodus {obscurus or truncatus?) near Doncaster ; Hen 

 Harrier, Circus cyaneus L., in Upper Wharfedale ; Boreus hyemalis 

 in Yorkshire ; Forficula auricularia L. var. forcipaia Steph. in York- 

 shire ; Boreus hyemalis. L., a new Yorkshire Neuropteron ; Late 

 occurrence of House Martin in Yorkshire ; Large Migration of Wild 

 Geese in Yorkshire ; Migration of Tree Creepers at Scarborough ; 

 Unusual Birds at Selby ; Effect of Oil on Marine Life ; Another N.E. 

 Yorkshire record of Mutilla europaea L. ; Hypnum exannulaium 

 (Giimb.) near N. Ferriby ... ... ... ... ... 4, n, ic, 



Yorkshire Naturalists' Union Report for 1920 ... ... ... ... ' 



List of Members of the Yorkshire Naturalists' Union, etc. 



Reviews and Book Notices ... ... ... ... ... ... ...g, 



Northern News ... ... ... ... ... ... ... 29, 



Illustrations ... ... ... ... ... ... 



1-2 

 3-4 



9-11 



13-14 

 15-16 

 17-20 



21-25 

 26-29 

 30-31 

 31-32 



32, 55 

 33-47 

 49-55 

 12, 56 

 48, 56 

 6, 29 



LONDON : 

 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. 



