ORDINARY MELTINGS. Ixxi 



It was announced that at the April meeting of the counci], 

 W. S. Bbodie, B. a., of Liinenhiirg, X. S., had been duly elected 

 an associate member. 



Dr. a. H. MacKay delivered an address on "A new Xova 

 Scotian insect : the Birch-leaf Saw-fiy (Phlehatrophia mathesoni, 

 Alex. MaeGillivray)." The subject was discussed by Messrs. 

 DoANE, Piers, Bishop and Brown. 



Harold S. Davis, of Dalhousie University, read a paper pre- 

 pared by himself and H. W. Matheson, ''On a Xew Method of 

 estimating Iodides." The paper was discussed by the President, 

 C. B. Nickerson, D. M. Fergusson, and Dr. A. H. MacKay. 



Second Ordinary' Meeting. 



Mining Lecture Room, Technical College, Halifax; 



nth February, 1910. 



The President, Dr. E. Mackay, in the chair. 



It was announced that at the last meeting of the council, the 

 Reverend M, C. Kelly, of St. Mary's College, Halifax, had been 

 duly elected an ordinary member. 



D. S. McIntosh, B. a., B. Sc. lecturer on geology, Dalhousie 

 University, read a paper entitled "A Xote on the Eecent Earth- 

 quake in Gape Breton." (See transactions, p. 311). The sub- 

 ject was discussed by Professor A. S. Mackenzie; and Dr. T. C. 

 McKay gave a description of his experience during the late great 

 Californian earthquake, which he illustrated by stereopticon views 

 made from photographs. 



T. C. McKay, M. A., D. Sc. instructor in physics, Dalhousie 

 University, presented a paper on "The Variation of the Hill Effect 

 with the Temperature and Previous Heat Treatment in the case 

 of Magnetic Metals." 



Professor A. S. MacKexzie followed with a discussion of the 

 phenomena produced by any physical strains causing molecular 

 change in metals. 



Third Ordinary Meeting. 



Assenihh/ Room, Technical College, Halifax; 



nth April. 1910. 



The President, Dr. E. Mackay, in the chair. 



Professor Ernest Hay'cock, of Acadia University, Wolfville, 



read a paper entitled "The History of Erosion in the Cornwallis 



