Geology. 135 
This we presume Prof. Hall will not deny, and as the proof would 
extend this article, already too long, we will not cite itnow. Itis enough 
for the interests of science that the justness of our criticism is acknowl- 
mm the case of the XIVth Report a regard for the date of publication, 
we have before had the satisfaction of remarking. *—Eps. 
20, 1861 
Postscript.—Since the foregoing remarks were on the press we have 
seen (Dec. 27th) a copy of the XIIIth Regents Report, sent from Al- 
bany, Dec. 4th, to a gentleman in New Haven, on the last page of 
which appears the ‘ Notice’ quoted above by Mr. Hall. That this notice 
°es not appear in either of the copies sent to us we have already 
stated. One of these copies we received on the 6th of May last, from 
the Secretary of the Board of Regents. Plainly therefore the append- 
Which have been made (although these changes involved the meses 4 
ikewise 
2. Note on the Taconic System of Emmons ; by T. Srerry Het, 
Ha, F.R.S.—In a notice of the ch lt rocks in the last number of this 
ournal, (p. 428.) it was explained that in going eastward from the line 
of fault which brings up the Taconic group to overlie the Trenton and 
Loraine formations, Mr. Emmons asserts that we meet successively with 
ha rocks, all dipping eastward, until in the Green Mountain gneiss we 
‘¢ a rock which is older than the Taconic group, so that 
It w by to be at the base, and the oldest at the eae Me the cr Sane 
4s however m ined i ition to this view, that the appare 
Ag ak fo, thee ing eastward to the Green 
t of superposition from the great fault, 
Mountains, is in the main, the ef cea and that the black oe of Em- 
i i are 
Ms c . . 
the oldest, while the Green Mountain gneiss is a rock higher in the series 
than any of th 
* This Journal, [2], xxxii, 430. 
