Circular 238. 
Yorkshire Naturalists' Union. 
president : 
JOHN W. TAYLOR. Leeds. 
John Gilbert Bakkr, F.K.S., F.L.S., Kew. 
Rt. Hon. Lord Walsingham, M.A., F.R.S., Thetford, Norfclk. 
Sir Ralph Payne Gallwky, Bart, M.B.O.U., Thirkleby Park. 
Henry Eeles Dresser, F.L.S., F.Z.S., London. 
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. Denison 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, Hahtax. 
Dr. Wheelton Hind, M.D., B.Sc, F.G.S., Stoke-on-Trent. 
W. H. St. Quintin, J. P., D.L., M.B.O.U., Scampston, York. 
Prof. A. C. Seward, M.A., F.R.S. 
Alfred Harker, M.A., F.R.S., Cambridge. 
IDirieional Secretary : 
RILEY FORTUNE, F.Z.S., 5 Grosvenor Terrace, East Parade, Harrogate. 
1bon, Secretaries : 
T. W. WOODHEAD. Ph.D., F.L S . Technical College, Huddersfield. 
W. E. L. WATTAM, 30 Towngate, Newsome, Huddersfield. 
1bon. Q:rea6urer: 
H. CULPIN, 7 St. Mary's Road, Doncaster. 
THE 23STH MEETING 
WILL BE HELD AT 
For the investigation of the neighbourhood of 
Tanfield and Hackfali, 
ON 
SATURDAY, JUNE 15th, 1912. 
RAILWAY ARRANGEMENTS.— Through return tickets at pleasure 
party rates will be issued at all stations on the G.C., G.N., H. & B., L. & Y , 
L. & N.W., Midland & N.E. Railways, which have booking arrangements 
for Tanfield, to Members and Associates of the Y.N.U. surrendering the 
Certificate noted below. Tickets taken on Friday or Saturday, June 14ih 
and 15th, will be available for returning any day up to and including Monday, 
June 17th, 1912. The N.E. Rly. Co. issue cheap Week-end Tickets and cheap 
Saturday Tickets at a single fare for the double journey. Minimum 3rd class 
fares 2/6 and 2/- respectively. Where through bookings are not in operation. 
Members may book to the most convenient junction, and re-book to destination, 
the reduced fares being available for each stage of the journey. 
N.B. — The Railway Booking Clerks will only grant these reduced fares to Members 
and Associates producing a Special Certificate signed by one of the Secretaries of the 
Union. Members and Associates wishing tor this Certificate must apply to either of the 
Hon. Secretaries for it. At Stations on the N.E. and H. & B. Railways, tickets at the 
reduced fares will be issued on production of the signed card of membership. 
