APRIL 1918. 



^'*** 735 



(No, SOS 0/ ourriht ttri* 



A MONTHLY ILLUSTRATED JOURNAL OP 



NATURAL HISTORY FOR THE NORTH OF ENGLAND 



EDITED BY 



T. SHEPPARD. M.Sc, F.Q.S.. F.R.Q.S.. F.S.A.Scot.. 



The Museums, Hull ; 



AND 



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



Technical College, Huddersfield. 



WITH THK ASSISTANCE AS REFEREES IN SPECIAL DEPAr/meNI^ dA I O /| 100 



J. aiUBBRT BAKER, P.R.S. PL.S., GEO. T. PORRITT, VxJ^., P%.i..^ 



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



RILEY PORTUNE, P.Z.S. 



Contents : — 



fMtm 

 Notes and Comments (illustrated) :— Perthshire Naturalists ; Facetted Pebbles ; Wild 

 Birds' Eggs ; Northern Breeding Sites; Yorkshire Coal Seams, and their Correlation ; A 

 Yorkshire Herbarium ; Chellaston Gypsum-Breccia ; Conclusion ; Forests of the Coal 

 Age; 'Early' Man again ; 'Not Proven' 113-llH 



Holocene Shells at Ruckland, near Louth, Lincolnshire— C. S. Carter I19-12ri 



Hepatics of the Hebden Bridge Valley — VVm. Hy. Pearson 1'23-124 



Alien Mollusca in Yorkshire— J. A. Hargreaves and J. Digby Firth, F.L.S.... 125-120 



Romance of the Cucl<oo—£. P. £j(«e>yi£W 127-130 



Ornithological Observations and Reflections in Shetland— £^)Htm:J Se/oi<.s ISl-lS^ 



Yorkshire Coleoptera in 1917— IV. J. Fordham, M.R.C.S., L.R.C. P., F.E.S. 135-187 



Vertebrate Zoology in Yorkshire— W. Greaves 139-140 



A Year's Work at the Scunthorpe Museum— f/aroW £. Dudley, Hon. Curator 141-142 



Reported Nesting of the 



118,138,140 



Proceedings of Provincial Scientific Societies . 124,137 



Reviews and Book Notices 143 



Northern News 124, 144 



News from the Magazines 137,144 



Illustrations 113,117,120 



Field Notes: — Distribution of the Grey Seal; Magpie Flocks; 

 Stonechat in Upper VVharfedale 



, 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. 



