ORDINARY MEETINGS. 11 



The Recording Secretary, Harry Piers, presented a 

 series of "Biographical Sketches of the Deceased Presidents 

 and other Prominent Members of the X. S. Institute of 

 Science since 1862," being the concluding section of an 

 historical account of the society, the first portion of which 

 had been read at the last meeting. (See page Ixxxii.) 



. Discussion took place as to the ways in which more 

 interest in natural history and science in general might be 

 aroused among the people of the province. 



Fourth Ordinary ^Meeting. 



Assembly Room, N. S. Technical College, 

 Halifax; 4th April, 1913. 



The President, D. M. Fergusson, in the chair. 



David Fraser Harris, M. D., C. yi., D. Sc, B. Sc. 

 (Lond.), F. R. S. E., professor of physiology, Dalhousie 

 University, Halifax, read a paper entitled, "Ventilation: its 

 Discovery and Discoverer, and its bearing upon Tubercu- 

 losis," with lantern illustrations. The lecture dealt with the 

 life and work of the Rev. Stephen Hales, D. D., F. R. S., 

 1677-1761, the inventor of ventilators (first described in 

 1743) which have had a most remarkable effect in lessening 

 diseases. On motion of H. X. Paint and AI. Theakston, a 

 vote of thanks was presented to Dr. Harris for his lecture. 



Fifth Ordinary Meeting. 



Civil Engi fleering Lecture Room, X. S. Technical College, 



Halifax, 12th May, 1913. 



The President, D. M. Fergusson, in the chair. 



Dr. a. H. MacKay was appointed delegate to represent 

 the Institute at the forthcoming meeting of the Roj^al Society 

 of Canada. 



