Geology and Natural History. 225 
was disposed to think that this trappean outburst originated from 
some point in Lake Superior. The direction of the flow, as indi- 
The silver and gold veins near Shebandowan occur in similar 
schists, and were discovered by Mr. P. McKellar in the spring of 
1871. A letter from Mr. McKellar to Prof. Bell was then read, 
which gave a description of the details. The principal vein, Mr. 
McKellar writes, is of quartz, and is from two to six feet in thick- 
nes ition to gold and silver it contains ores of all the 
00 
dollars worth of silver had been taken from this mine. Various 
other silver-bearing veins and mines in rocks of this age were 
described briefly, but the space at our disposal will only allow of 
the bare mention of their names. uffice it to say that the 
Algoma, Silver Harbor, Thunder Bay Silver Mine, Shuniah, Jar- 
vis Island, McKellar’s Island and McKellar’s Point deposits were 
each noticed. In conclusion, the lecturer said that the silver veins 
sets, one of which 
have a N.E, and the other a N.W. direction—Montreal Gazette. 
Kew 
3. On the Carboniferous Myriapods preserved in the Sigillarian 
Stumps oe Scotia ; by S. H. ScuppeR. 10 pp. 4to. From 
8. N 
posed. . « 
tions the discovery of a Xylobius by Mr. Henry Woodward in 
the British coal measures at Kilmaury, Ayrshire, and Cooper's 
AM. Jour. Scr,.—Turap Series, VoL. VI, No. 33.—SePt., 1873. 
15 
