100 TRANSACTIONS OF THE 



llTH May, 1875. 



Mr. Richard M'Kay, Yice-President, in the chair. 

 Mr. Thomas Shand, 132 Renfrew Street, was elected a resident 

 member. 



EXCURSION. 



Fossil Marsh. — Mr. W. D. Benson said that nothing worth 

 reporting had been found at this excursion. 



PAPER READ. 



Mr. James Allan read some notes regarding the arrival of migra- 

 tory birds. He said he had noted the dates of the arrival of most 

 of them for ten years. He found that over the whole country the 

 cuckoo had appeared about seven days earlier than its usual this 

 year, while the swallow was on an average three or four 

 later. 



25th May, 1875. 



Mr. James Allan, Vice-President, in the chair. 



Mr. F. G. Binnie, on behalf of Mr. Alex. Watt, reported that 

 the rare grass Melica nutans, L,, had been found in a new locality, 

 viz., the Kilpatrick Hills. 



EXCURSION. 



Bowling. — Mr. Alex, Noble related the chief incidents of this 

 excursion. Nothing worth reporting had been found till they 

 came to Dumbarton Castle, where several interesting plants had 

 been found — among them the wild wall-flower {Gheiranthus Cheiri). 



PAPER READ. 



Mr. James Allan then read a paper entitled " Strictures on 

 some Geological Theories," in which he chiefly dealt with the 

 theory of the uniformity of action of geological agents, and con- 

 tended that sufficient prominence was not usually given to the 

 action of catastrophes. Mr. Allan's paper gave rise to a lengthened 

 discussion. 



