OCTOBER 1906. 



No. 597 



(No. 375 of current aeries). 



A MONTHLY ILLUSTRATED JOURNAL OF 



NATURAL HISTORY FOR THE NORTH OF ENGLAND. 



EDITED BY 



T. SHEPPARD, F.G.S., 



The Museum, Hull ; 



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



Technical College, Huddersfield ; 



WITH the assistance AS REFEREES IN SPECIAL DEPARTMENTS OF 



J. GILBERT BAKER, F.R.S. F.L.S., 

 Prof. P. F. KENDALL, M.Sc, F.Q.S., 

 T. H. NELSON, M.B.O.U., 



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

 JOHN W. TAYLOR, 

 WILLIAM WEST, F.L.S. 



Contents : — 



PAGES 



Notes and Comments (illustrated) : — The Formation of Filey, Another Opinion of Filey, 

 The Lether Collection, A New Magazine, The Lomax Collection, A Triassic Reptile, 



The Ingleton Peregrines 345-348 



The Flight of Bats (Illustrated)— ^r//m»- IF/iiVn/ff I 349-353 



The Origin of the Cleveland Ironstone— D). H. Clifton Sorby, F.R.S. , F.G.S., etc 354-357 



Arctic Birds with Brown or Black Underparts— S. L. Mosley, F.E.S 358-359 



On British Drifts and the Interglacial Problem— G. VV. Lamphigh, F.R.S 360-366 



Hull's New Museum (Illustrated) 367-368 



Yorkshire Naturalists at Askern 369-374 



Field Notes 359 



Reviews and Book Notices 353,375 



Northern News 357, 366, 375-376 



Illustrations 367 



Plates XXV,, XXVI., XXVII., XXVIII. 



LONDON : 

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OCT 13 1906 



