ORDINARY MEETINGS.. 



it was announced that at the April meeting of the council, 

 W. S. BRODIE, B. A., of Lunenburg, N. S., had been duly elected 

 an associate member. 



DR. A. H. MACKAY delivered an address on "A new Nova 

 Scotian insect: the Birch-leaf Saw-fly (Phlebatrophia mathesoni, 

 Alex. MacGillivray)." 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 New 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; 



14tk February, 1910. 

 THE PRESIDENT, DR. E. MACKAY, in the chair. 



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

 EEVEREND M. C. KELLY, of St. Mary's College, Halifax, had been 

 duly elected an ordinary member. 



D. S. MclNTosH, B. A., B. Sc. lecturer on geology, Dalhousie 

 University, read a paper entitled "A Note on the Recent Earth- 

 quake in Cape 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 

 Calif ornian 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. MACKENZIE followed with a discussion of the 

 phenomena produced by any physical strains causing molecular 

 change in metals. 



THIRD ORDINARY MEETING. 

 Assembly Room, Technical College, Halifax; 



llth April, 1910. 



THE PRESIDENT, DR. E. MACKAY, in the chair. 

 PROFESSOR ERNEST HAYCOCK, of Acadia University, Wolfville, 

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



