Circular 228.] 
15orl?8biie flaturaUsts' lllnion. 
president : 
Prof. A. C. SEWARD, M.A.. F.R.S., etc. 
Rev. Wm. Fowler, M.A,, Liversedge. 
John Gilbi:rt Baker, F.R.S., F.L.S., Kew. 
Rt. Hon. Lord Walsingham, M.A., F.R.S., Thetford, Norfolk. 
Sir Ralph Payne Gallwey, Bart.. M.B.O.U., Thirkleby Park. 
Henry Eeles Dresser. F.L S., F.Z.S., Lpndon. 
R. H, TiDDEMAN, M.A., F.G.S., Oxford. 
Robert Braithwaite, M.D., F.L.S., London. 
Prof. W . Boyd Dawkins, M.A., F.R.S., Manchester. 
William West, F.L.S., Bradford. 
George T. Porritt, F.L.S., F.E.S., Huddersfield. 
Prof. Percy F. Kendall, M.Sc, F.G.S., Leeds. 
W. Dennison Roebuck, F.L.S., Leeds. 
A. H. Pawson, J. p., F.L.S., F.G.S.. London. 
G. W. Lamplugh, F.R.S., F.G.S., London. 
W. Eagle Clarke, F.R.S.E., Edinburgh. 
Charles Crossland, F.L.S., Halifax. 
Dr. Wheelton Hind, B Sc, F.G.S., Stoke-on-Trent. 
W H. St. Quintin, F.Z.S., Scampston, York. 
Ibon. Secretari?: 
T. SHEPPARD, F.G.S., Municipal Museums, Hull. 
THE 228TH MEETING 
AND 
49tK ANNUAL MEETING 
WILL BE HELD AT 
MIDDLESBROUGH 
(Preceded by aa EXCURSION to MARSKE), 
ON 
Saturday, Dec. 17th, 1910. 
RAILWAY A S^RANCEMENTS.— Through return tickets at pleasure 
?arty rates will bs issued at all stations on the G.C., G N., H. & B., L. & Y., 
& N.W., Midland and N.E. Railways, which have booking arrangements for 
Middlesbrough or Marske, to Members and Associates of the Y.N.U. sur- 
rendering the Certificate noted below. The Tickets will be issued on Friday, the 
16th, and Saturday, the 17th December, and will be available for returning on 
