PROCEEDINGS OF THE SOCIETY. 103 



from Grassington, West Riding of Yorkshire, where it was 

 discovered by Mr. John Cryer in May this year. The plant 

 has been named P. amarella, Crantz {-P. amara, L.) by Pro- 

 fessor R. Chodat, of Geneva. P. amara had not previously 

 been detected in Britain, though plentiful in Switzerland. Dr. 

 Robert Brown and the President followed with remarks on the 

 British and Continental species and forms of Polygala. 



Mr. Joseph Somerville exhibited a specimen of Ash {Fraxinus 

 excelsior, L.) showing abnormal development of cork warts, and 

 gave explanation of the possible cause of these growths. 



Mr. R. S. Wishart, M.A., read a paper entitled " Experiments 

 on the Thickening of some Tree Stems," and exhibited a 

 number of interesting specimens illustrating the effects of 

 pressure on the stem surface, and also injury to the natural 

 growth and contour of the stem (see page 18). 



The President referred to the deaths which had recently 

 occurred of Members of the Society, viz. : — Mr. Thomas E. 

 Buckley, B.A., F.Z.S., M.B.O.U., Rossal, Inverness; Mr. Andrew 

 Arbuckle, 4 Farme Loan Road, Rutherglen; and Mr. John 

 Young, M.D., Professor of Natural History in the University 

 of Glasgow, who in the early days of the Society was an active 

 member, and at one time President. 



The following additions to the Library were intimated: — By 

 gift : from Mr. John Fleming, Sir Archibald Geikie's The Scenery 

 of Scotland ; and Richard Jeflferies, The Gamekeeper at Home. 



From Mr. James Mitchell, Montague Brown's Taxidermy and 

 Modelling ; Samuel ^Smiles' Life of a Scotch Naturalist, Thomas 

 Edward ; Thomas Southwell's The Seals and Whales of the British 

 Seas. 



From Mr. John Anderson, Sir J. D. Marwick's The Water 

 Supply of the City of Glasgow. 



From the Local Committee at Belfast, British Association 

 Handbook Guide to Belfast, 1901. 



By purchase : Robert Newstead's Monograph of the Coccidae 

 of the British Isles, vol. i. (Ray Society). 



A. D. Michael, F.L.S., British Tyroglyphidae (Ray Society). 



