38 PKOCEKDINGS OF THE CANADIAN INSTITUTE. 



Dr. Ellis in referring to the opinion that many entertained 

 as to the animal origin of Apatite, said one reason of it was 

 the curious fact that fluorine was also associated with phos- 

 phate of lime in the bohes of animals. He showed by a 

 formula on the blackboard how fluorine played a necessary 

 part in the composition of the mineral. 



Mr. T. Nelson Dale inquired what was the chemical difl"er- 

 ence between the Norwegian Apatite and the Canadian. 



Mr. Shutt stated that in one of the publications of the 

 Canadian Geological Survey the difference between the Cana- 

 dian and European Apatite was given. 



Mr Dale alluded to the Apatite locality of Kragero, on the 

 southern coast of Norway, v/hich he had visited many years 

 before. The Apatite was pinkish in colour and opaque, re- 

 sembling some of the Feldspars. The associated minerals 

 were Ilmenite, Hornblende, Praseolite, Rutile, Epidote, &c. 

 This Apatite had also been exported to England for fertilizing 

 purposes. Another well known locality in Norway was that 

 of Snarum, further inland. The crystals at these places 

 generally had the basal plane with the pyramid. At Aren- 

 dal, near Kragero, the bluish-green translucent variety of 

 Apatite occurred in small crystals, and here the crystals, 

 especially those of Colophonite, had the peculiar rounding 

 of the edges alluded to by Mr. Shutt as characterising 

 some of the minerals of the Canadian Apatite region, 

 and due probably likewise to metamorphism, subsequent to 

 crystallization. 



Mr. Shutt remarked that as many as 30 species of minerals 

 occurred associated with the Apatite of Canada. The opaque 

 pink variety, closely resembling feldspar, mentioned by Mr, 

 Dale as occurring in Norway, was also found in Canada. 



The following paper by Mr. A. McGill, B.A., B.Sc, was 

 then read by Dr. Ellis : 



