i54 



[Proc. B.N.F.C., 



reasons for placing the Mourne granite at a later age than that of 

 Slieve Croob and Newry. Attention was directed to proofs of the 

 glaciation of the district as evidenced by the abundant moraine 

 matter deposited in the valleys, and also by the presence of several 

 overflow channels, of which the Hare's Gap itself affords a good 

 example. 



The botanists handed in the following list of noteworthy 

 plants seen during the day : — Ulex Gallii, Saxifraga stellaris, 

 Drosera rotundifolia, Juniperus nana, Listera cordata, Schcenus 

 nigricans, Hymenophyllum unilaterale and Lycopodium Selago. 



Dr. Dwerryhouse presided at the business meeting held in the 

 Slieve Donard Hotel, when Mrs. J. N. R. Pirn, Miss Olive 

 Ferguson, Messrs. John Manning, Thomas Rule and W. F. Dry 

 were elected members. 



CASTLE ROBIN. 



On 13th June the Club held its third Summer excursion. A 

 party of over fifty members and friends left the Great Northern 

 Station at 2-30 p.m. for Derriaghy Halt, whence they proceeded 

 on foot to their destination — Castle Robin — a distance of about 

 three miles. 



Mr. Robert May informed the members that the ruins still 

 remaining were those of a castle erected in Elizabethan times by 

 one Roger Norton, an officer in Essex's army. The mound close 

 by the ruins of the castle, and upon which the party was standing, 

 was known as " Lis-na-Robin " long prior to Norton's day, and it 

 doubtless gave its name to the castle. The mound, or tumulus, 

 was prehistoric, and was probably the burial-place of an ancient 

 chief or warrior. 



Leaving the castle the members, under the leadership of Mr. 

 Robert Bell, proceeded to the neighbouring quarries, where some 

 interesting geological features were pointed out. The quarries are 

 in the lower basalt, and an intrusive dyke of amygdaloidal basalt 



