MARCH 1905. 



(Published 1st March 1905. 



No. 578. 



(No. 356 of current series.) 



MONTHLY ILLUSTRATED JOURNAL OF 



NATURAL HISTORY FOR THE NORTH OF ENGLAND. 



EDITED BY 



T. SHEPPARD, F.Q.S., and T. W. WOODHEAD, F.L.S., 



MiTSELM, Hlll; 



Technical College, Huddersfield ; 



WITH THI-; ASSISI ANCE AS KHHERKES IN SPECIAL DEPARTMENTS OF 



J. GILBERT BAKER, F.R.S., F.L.S., GEO. T. PORRITT, F.L.S., F.E.S., 



Prof. P. F. KENDALL, F.G.S., JOHN W. TAYLOR, 



T. H. NELSON, M.B.O.U., WILLIAM WEST, F.L.S. 



Contents : — 



Notes and Comments (Illustrated): — Colouration of Egg-s, Birds by Land and Sea, 

 Chara and Shell Marl, Old Ing-leboroug-h. Earlv Defensive Earthworks near 

 Sheffield ■ ..: 



Observations on Spiders at Rydal— Marj.- L. Armitt 



The Yorkshire Boulder Committee and its Eighteenth Year's Work, 1903-4— 



Percy F. Kendall, F.G.S., and J. H. Hozvai-th, F.G.S 



The Geology of Scarborough District— C 



Cryptogams in the Grimsby District— .V. Smith, F.L.S. , F.E.S 



Addition to the Yorkshire List of Lepidoptera — T. Ashion Lofthouse 



Marine Erosion in the Whitby District— A 7\ Sexvell 



Field Notes 



Reviews and Book Notices (Illustrated) 



Northern News 



Economic Fungi (Part HI.)— A /A Holland, F.L.S 



Illustrations 



Plates I., II., III., and IV. 



68. 78. So. 



66. 67, 



63.68 



69.78 



79.80 

 81-83 

 83-84 

 84 

 85-87 



87, 88 

 S8-92 

 93 

 93-96 



68, 90 



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