3io 



[Proc. B.N.F.C, 



Finally, an exceptionally varied series of the Common Dog 

 Whelk, Purpura lapillus, was shown. These were sent by Mr. 

 R. Standen to show how much the conditions on exposed or 

 sheltered rocks, and the varying food supply, affected the size, 

 form, and colour of the shell. 



In the discussion which followed Mr. A. W. Stelfox exhibited 

 Helicella itala showing marked variation from four different 

 environments : — (a) Chalk Downs, (b) Central Plain of Ireland. 

 (c) Sheltered, and (d) Wind-swept Sand-dunes. Mr. Maxwell, 

 Mr. W. J. C. Tomlinson, and Mr. W. A. Green also raised some 

 points to which Mr. Welch briefly replied. 



"REPORT OF DELEGATE TO CORRESPONDING 

 SOCIETIES' CONFERENCE OF BRITISH ASSOCIATION." 

 "ARCHAEOLOGICAL EVIDENCE OF THE 

 TRUTHS OF IRISH RECORDS." 

 The fifth monthly meeting of the Winter Session was held in 

 the Museum on Tuesday, 15th March, the President, Mr. N. H. 

 Foster, M.B.O.U., in the chair, when Mr. F. Balfour Browne, M. A., 

 F.Z.S., presented his Report as Delegate to the Corresponding 

 Societies' Conference of the British Association - . Mr. Browne 

 said that owing to the fact that the Meeting of the British 

 Association was last year held in Winnipeg, the Conference 

 of the Delegates of the Corresponding Societies was held on 

 25th and 26th October at the Rooms of the Geological 

 Society of London. The Chairman was Professor A. C. 

 Haddon, who gave an address upon " Regional Surveys,'' 

 in which he suggested that the local Societies should take 

 up a detailed study of their districts. He suggested that each 

 Society should survey its area in a spirit of co-operation 

 among its members, so that instead of " dry and lifeless " fauna 

 and flora lists — which he considered do not teach very much — we 

 might get something much more valuable. As instances of the 



