Circular 233. 
Yorkshire [Naturalists' Union. 
JOHN W. TAYLOR, Leeds. 
}£a:=IP>re6i^ellts : 
John Gh.hkrt Bakeh. F.R.S., F.I..S., Kc-w. 
Rt. Hon. Lord Walsingham, M.A., F.K.S., Thetford, Norfolk. 
Sir Ralph Pavnk Gallwev, Bart. M.B.O.r.. Thirkleby Park. 
Henry Ekles Drks.ser. F.L.S., F.Z.S., London. 
R. H. TtDDKMAN, M.A.. F.G.S.. Oxford. 
Robert Braithwaite, M.D., F.F.S., London. 
Prof. W. BovD Dawkins, M.A.. F.R.S., Manchester. 
William West, F.L.S.. Bradford. 
George T. Porkitt, F.L.S., F.E.S.. Huddersfield. 
Prof. Percy F. Kkndall, 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, Halifax. 
Dr. Wheelton Hinu, M.D., B.Sc, F.G.S., Stoke-on-Trent. 
W. H. St. Quintin, J. P.. D.L., M.B.O.U., Scanipston, York. 
Prof. A. C. Seward, M A., F.R.S. 
Alfred Harker, ^LA., F.R.S., Cambridge. 
Bivisfoiial Secretary : 
H. H. CORBETT. M.R.C.S., 9 Priory Place, Doncaster. 
t>on. Secretaries : 
T. W. WOODHEAD, Ph.D., F.L S , Technical College, Huddersfield. 
W. E. L. WATTAM. 30 Towngate, Newsome, Huddersfield. 
"ffDon. ^Treasurer: 
H. CULPIN. 7 St. Mary's Road, Doncaster. 
THE 239TH IVIEETING 
WILL BE HELD AT 
For the investigation of the neighbourhood of 
Shirley Pool, 
ON 
THURSDAY, JULY nth, 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 AsKERN, to Members and Associates of the Y.N.U. surrendering the 
Certificate noted below. 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. 
