NATURAL HISTORY SOCIETY OF MONTREAL. 75- 



rence to its ravages on the timber of the white and yellow pine ; 

 and mentioned some very remarkable illustrations of the number 

 of the insects, and the rapidity with which timber is destroyed by 

 them. 



2. On a New Crustacean from the Potsdam Sandstone ; in a 

 letter from Prof, Hall to Dr. Dawson — Prof. Hall referred to 

 the paper on the footprints of Limulus recently read before the 

 Society, and stated his belief that a new crustacean recently des- 

 cribed by him before the Albany institute, but not yet published, 

 answered to the conditions implied in the formation of Protich- 

 nites as illustrated by the modern Limulus. 



S. On the Acton Copper Mines ; by T. McFarlane, Esq. — In 

 the absence of the author this paper was read by Mr. Robb. It 

 contained an elaborate account of the mine and of the bed con- 

 taining the ore, with its various disturbances ; and entered into 

 the probable origin of the deposit, and the modes of extracting 

 and dressing the ores ; being altogether the most complete and 

 detailed account of this remarkable deposit which has yet appea- 

 red. The thanks of the Society were voted to Mr. McFarlane. 



The following donations were presented to the'Society : — 



From P. McFarlane, Esq. — Specimens of minerals from the 

 Giants' Causeway. 



From James Ferrier, Junr. Esq. — A pair of Fuligula albida ; 

 and fishes for the aquarium. 



From Mr. Gavin. — Two specimens of Coluber sirtalis (alive),, 



From Mr. Miller. — Specimens of Copper Ore from the Bruce 

 Mine. 



The Dublin Nat. Hist. Review, 6 Nos, ; Proceedings of the 

 Dublin University Zoological Association, 2 Nos ; Journal of the 

 Franklin Institute ; Proceedings of the Entomological Society of 

 Philadelphia, 6 Nos. ; and several other periodicals and pamphlets 

 were presented by the editors and publishers. 



Ordinary Meeting, Feb. 2, 1863. 



Principal Dawson, the vice-President in the Chair. The fol- 

 lowing papers were read : 



1. On the Land and Fresh-water Mollusca of Lower Canada, 

 with thoughts on their connections with the Post-pliocene fossils 

 of the St. Lawrence Valley, and on the general geograpical dis- 

 tribution of Animals and Plants in Canada ; by J. F. Whiteaves 

 Esq. F.G.S. 



