120 PROCEEDINGS OF THE CANADIAN INSTITUTE. 



it a misfortune that the duodecimal system had not been 

 adopted in the first instance. 



FIFTEENTH ORDINARY MEETING. 



, The Fifteenth Ordinary Meeting of the Session i884-'85, 

 was held on Saturday, February 2ist, 1885, the President in 

 the Chair. 



The minutes of last meeting were read and confirmed. 



The following list of donations and exchanges received 

 since last meeting was read : 



1 . Monthly Weather Review, Dominion of Canada, for January, 1885. 



2. Science, Vol. V., No. 106, February 13th, 1885. 



3. Annual Report of the Board of Managers of the Buffalo Historical Society, 



January 13th, 1885. 



4. Second Annual Report of the Board of Trustees of the Public Museum of 



the City of Milwaukee, October 1st, 1884. 



5. Anthony's Photographic Bulletin, Vol XVI., No 1. 



6. Proceedings of the Royal Greographical Society, Vol. VII., No. 2, February, 



1885. 



7. Notice Historique de I'Universit^ de Bruxelles, 1834 — 1884, par L.|Van- 



derkinden. 



8. Bericht liber die Senckenbergische Naturforschende Gesellschaft, vom 



Juni, 1883, bis Juni, 1884. 



9. Fiinfter Jahresbericht der Greographischen Gesellschaft zu Hannover, 



188.3-84. 



Mr. Vandersmissen gave notice that at the next meeting of 

 the Institute, he would move that a committee be appointed 

 to consider in what way the work of the Institute could be 

 carried on in sections. 



Mr. Lennox read a paper on " The Fossil Sharks of the 

 Devonian." 



The subject of this paper was the fossil fin-spine of a shark, taken 

 from the corniferous limestone, at St. Mary's, Ont. It belongs to 

 the genus Machcet acanthus, Newberry. This genus is distinguished 

 from all other fossil fish-spines by not being bilaterally symmetrical. 

 They have been found only in the corniferous of Ontario, New 



