^ resident : 



REV. W. II. DALLINGER, LL.D., F.R.S., Pres.R.M.S., Sheffield. 



WM. DENISON ROEBUCK, F.L.S., Sunny Bank, Leeds. 

 WM. EAGLE CLARKE, F.L.S., M.B.O.U., Headingley, Leeds. 



THE SIXTY -FIRST MBBTIKQ 



WILL BE HELD AT 



For the Investigation of the Neighbourhood of Campsall, Barnsdale, 

 Shirley Pool, Ovrston, Burgh-wallis, Norton, Askern, etc., 



On THURSDAY, MAY 20th, 1886. 



Railway Arrangements. 



Through return tickets at pleasure party rates (single fare or fare-and-quarter 

 for double journey) will be issued at all Yorkshire stations on theG. N., H.&B,, 

 L.&Y., L.&N.W., M.S.&L., Midland, and N.E. Railways, which have booking 

 arrangements for Askern (L.&Y.), Moss (N.E.), or Kirk Smeaton (H.&B. line), 

 to Members and Associates of the Y.N.U., producing their signed card of member- 

 ship. Moss station is one mile E. of Askern, Kirk Smeaton station two miles N. 



Members and Associates starting from stations which have not through book- 

 ing arrangements, should book to the most convenient junction, and re-book to 

 Askern, Moss, or Kirk Smeaton, at the reduced fare for both portions of the journey. 



Members in other counties wishing to attend should inform the secretaries 

 thereof, in order that railway facilities may be obtained for them. 



Routes. 



Permission to visit their estates is granted by Messrs. F. Bacon Frank, of 

 Campsall Hall ; G. B. C. Yarborough, Campsmount ; Captain Anne, Burgh wallis 

 Hall ; P. S. Neville, Shelbrook Park ; and P. Davies Cooke, Owston Hall. 



Two parties are arranged to leave Askern Station at 10 a.m., viz : — 



I. To Campsall Woods and Barnsdale. 



II. To Shirley Pool, Owston Woods, etc., in charge of the Rev. F. H. Allen. 



Books and Maps. 



The country for investigation is in Sheets 87 N.E. and 87 S. E., i-inch 

 Ordnance Map (both can be had geologically coloured). Lankester's 'Account of 

 Askern and its Mineral Springs ' (1842), contains a sketch of its geology (pp. 34 — 

 50, with coloured map), botany (pp. 50 — 57), and zoology (pp. 54 — 72). It is sur- 

 prising to find that but little has been since done at so popular a resort, and 

 Lankester's work is made the basis of this circular. What later information there 

 appears to be at pp. 212, 220, 374 of Davis and Lees' 'West Yorkshire.' 



Geology. 



Mr. J. W. Davis, F.S.A., etc., states as follows : — Askern is situated at the 

 eastern extremity of the Upper Magnesian Limestone. At the railway station, and 

 for a short distance towards the town, the limestone is hidden beneath alluvial 

 deposits of laminated clays and warps. Beyond the town the ground rises con- 

 siderably towards Campsall. The Upper Magnesian Limestone extends about i|- 



