Y.N.U. : Officers and Committees of Research, 1921. igi 



Yorkshire Mycological Committee. — Chairman : Harold Wager, 

 D.Sc, F.R.S., Leeds. Convener and Rep. on Executive : A. E. Peck, 

 20 Avenue Road, Scarborough. Other Members : Sir H. C. Hawley, Bart. 

 {Referee for Pyrenomycetes) , Buxted, Sussex ; W. N. Cheesman, J. P., 

 Selby ; Alfred Clarke, Huddersfield ; J. W. H. Johnson, M.Sc, Walton ; 

 M. Malone, Bradford ; T. B. Roe, Scarborough ; Miss C. A. Cooper, 

 Bushey ; A. R. Sanderson, Petaling ; R. C. Fowler Jones, York ; Thomas 

 Hebden, Keighley ; J. Ackroyd, Batley ; Wm. Bellerby, York ; F. A. 

 Mason, Leeds ; Greevz Fysher, Leeds. 



GEOLOGY. 



Section F. — Geology. 



President : A. Gilligan, D.Sc, B.Sc, Leeds. Secretary : J. Holmes, 

 Crossbills. Rep. on Executive : W. R. Barker, Barnsley. 



Yorkshire Geological Photographs Committee. — Chairman : 

 Prof. Percy F. Kendall, M.Sc, Leeds. Convener : Major A.J. Stather, 

 Hull. Rep. on Executive: J. W. Stather, Hull. Other Members: 

 J.J. Burton, J. P., Nunthorpe ; Godfrey Bingley, Leeds ; H. E. Wroot, 

 Leeds. 



Yorkshire Glacial Committee. — Chairman : Prof. P. F. Kendall 

 M.Sc, Leeds. Convener: J. W. Stather, Hull. Rep. on Executive 

 H. E. Wroot, Leeds. Other Members : T. Sheppard, M.Sc, Hull 

 E. Hawkesworth, Leeds'; F. F. Walton, Hull; J. E. Wilson, Ilkley 

 A. R. Dwerryhouse, D.Sc, Belfast ; Godfrey Bingley, Leeds ; A. J 

 Stather, Hull ; J. J. Burton, J. P., Nunthorpe ; J. Holmes, Crossbills 

 and T. Stainforth, B.A., B.Sc, Hull. 



Yorkshire Coast Erosion Committee. — Chairman : F. F. Walton, 

 Hull. Convener : J. W. Stather, Hull. Rep. on Executive : John Holmes, 

 Crossbills. Other Members: T, Sheppard, M.Sc, Hull; J. T, Sewell, 

 J. P., Wliitby ; J. W. Sutcliffe, Halifax ; J. J. Burton, J. P., Nunthorpe ; 

 and J. A. Hargreaves, Scarborough. 



Carboniferous Rocks, Fossil Flora and Fauna Committee.— 

 Chairman : R. Kidston, LL.D., F.R.S., Stirling, N.B. Convener 

 and Rep. on Executive : Miss M. A. Johnstone, B.Sc, Cheadle Hulme, 

 Cheshire. Other Members : Prof. P. F. Kendall, M.Sc, Leeds ; E. 

 Hawkesworth, Leeds ; G. W. Roome, B.Sc, Sheffield ; W. R. Barker, 

 Barnsley ; W. S. Bisat, North Feiriby ; Rev. H. Thomas, M.A., Hudders- 

 field. 



Jurassic Flora of Yorkshire — Chairman : Prof. A. C. Seward, 

 M.A., F.R.S., Cambridge. Convener; J. J. Burton, J. P., Nunthorpe. 

 Rep. on Executive : Prof. Kendall, M.Sc, Leeds. Other Members : 

 T. Sheppard, M.Sc, Hull; J. T. Sewell, J. P., Wliitby ; H. Hamshaw 

 Thomas, M.A., Cambridge ; W. R. Barker, Barnsley ; Miss M. A. John- 

 stone, B.Sc, Cheadle Hulme ; and Prof. J. H. Priestley, B.Sc, Leeds. 



Committee of Suggestions for Research. — Chairman : Prof. 

 J. H. Priestley, B.Sc, Leeds. Convener and Rep. on Executive : C. A. 

 Cheetham, • " Wheatfield," Old Farnley, Leeds. The constitution 

 consists of the President, Treasurer and Secretaries of the Union, and the 

 Chairman of each of the Sections and Committees, and the Divisional 

 Secretaries and Treasurers. 



' Onion Smut (Urocystis cepulae) ' is the title of Leaflet No. 365 

 issued by the Ministry of Agriculture and Fisheries. 



Part 10 of Witherby's Practical Handbook of British Birds (pp. 

 81-176, 4/6) has appeared, and is devoted to Owls, Falcons, Eagles, 

 Hawks and Kites. There are numerous plates and illustrations in the 

 text. 



1921 May 1 



