390 Scientific Intelligence. 
he mountain visited this is replaced by a growth o 
sage, furze, heather, moss, fern, whortleberries of a light reddish 
brown color, etc. ‘Che fires, smoke, etc., reported at times may 
result from the burning of this vegetation, but they certainly do 
ook volcanic at a few miles distance. 
North Carolina ; by Prof. Frank H. Brapury. (From a letter 
to J. D. Dana, dated Knoxville, Tenn., September 1>th, 187 4a 
In my recent trip into North Carolina, from which I have just 
returned, I determined the metamorphic rocks of the southwestern 
corner of that State and of the adjoining part of Georgia to 
unquestionably of Silurian age did not go east of Franklin; : 
ut, so far, they are all Zower Silurian. The talline marbles 
of M and vicinity—white, black and flesh-colored—w 
are partly siliceous and inclose a rich bed (?) of gold-bearing 
quartz, are the precise equivalent of our Knox limestones © 
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the same age ; 
3. Abstract of a paper on the Trap Rocks of’ the Connecticut 
Valley ; by E.S8. Dana. (Read before the American Association 
at the Hartford Meeting, Aug. 1874.)—This paper was a report of 
some preliminary results obtained in a series of investigations now 
being i 8. Dana and G. W. Hawes. 
