1869. J NATURAL HISTORY SOCIETY. 463 



water than could be advantageously raised by the windlass. The 

 men were therefore removed to the main land, to cut the timber 

 required for the cribbing and other extensive works already 

 planned, and which it is intended to carry out energetically in 

 the spring. 



Besides the minerals mentioned in the first part of this paper 

 as occurring in the vein of Silver Islet, large patches of the vein- 

 stone impregnated with graphite are frequently met with, and 

 also, in the neighbourhood of the rich ore, cobalt bloom and 

 nickel green. Besides the small nuggets and grains of pure 

 metallic silver, there are also found in the rich ore thin plates 

 and grains of a sectile mineral having a reddish brown colour 

 like that of niccolite, and containing arsenic, cobalt, nickel and 

 silver, the latter in greatest quantity. This would appear to be 

 a new mineral, and worthy of more minute examination. 



Actonvale, 1st February, 1870. 



NATURAL HISTORY SOCIETY. 

 . MONTHLY MEETINGS. 



(^From October to Dccemher, 1869.) 



First monthly meeting, October 25th, 1869 ; Principal 

 Dawson in the chair. 



The following donations were announced : — 



TO THE MUSEUM. 



Brittle star from Panama, Ophlura teres Lyman ; from R. 

 J. Fowler. 



Sixty species of British crag fossils ; from A. Bell. 



Three species of Montreal post-pliocene fossils ; from R. 

 McLachlan. 



Bead and fragments of pottery dug up in Mansfield Street ; 

 from W. McLennan. 



A Canadian Lynx, Lynx Canadensis; from Mrs. Demaray. 



