310 THE CANADIAN NATURALIST. [Vol. ix. 



PROCEEDINGS OF THE NATURAL HISTORY 

 SOCIETY OF MONTREAL. 



The third meeting for the present Session was held oo the 

 evening of Monday, January 26th. The President, A. R. C. 

 Selwyn, Esq., F.R.S., occupied the chair. 



After reading and adoption of minutes of last meeting, Mr. 

 Frank Adams, B. A. Sc, was elected a member of the Society. 



A fossil feather in an excellent state of preservation, from the 

 post-pliocene clay of the Ottawa valley, together with a photo- 

 graph of the same, was exhibited by H. E.the Governor-General 

 through the President. 



Mr. D. Hunter showed a series of specimens of molybdenite 

 associated with various other minerals, from Calaboga. 



Dr. J. Baker Edwards then submitted the following analysis 

 and report of waters of the Assiniboine and Red Rivers : 



ANALYSIS. 



Red River. Assiniboine. 

 Degree of hardness 9 lOJ 



Organic matter 5 . 28 7.71 



Calcic sulphate 2.42 4.39 



Calcic carbonate 10.50 7.05 



Iron and alumina 2.80 1.09 



Silica 98 .... 



Magnesia sulphate 7.81 



Alkaline salts as chlorides 5.08 9.75 



Per imp. gal 27.06 37.80 



REPORT. 



The samples of water of which I now submit the analysis were 

 handed to me by Prof. Robert Bell last spring, but were collected 

 by him on October 18th, 1873, above the affluence of the two 

 rivers a few miles above Fort Garry. 



Although therefore the mineral constituents are approximately 

 determined by the present analyses, it is probable that the 

 amount of organic matter is under-estimated in consequence of 

 the lapse of time during which these samples have been kept 

 corked and sealed, during which some decomposition has occurred. 

 The general characters of the waters are however well shown by 



