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Members of the Institute, and Societies in correspon- 
dence with it, would confer a great favor if 
they would send to the Council, for distribution 
to Scientific Institutions whose sets of the Insti- 
tute’s publications are incomplete, any duplicate 
or other spare copies which they may possess of 
back numbers of its Proceedings and Transactions. 
They should be addressed: The Secretary of the 
N, S. Institute of Science, Halifax, Nova Scotia. 
