445 Scientific Intelligence. 
or more strata of limestone are there folded up among the crystalline 
rocks. In Grenville there are two such bands about two miles apart, 
its crystallization, contained one if not two or more thick strata of lime- 
stone. The author discusses the precise character of these folds and illus- 
trates the subject by means of a map‘of the region on which the bands 
of limestone are represented in color. 
rts of A. Murray for the years 1853 to 1856 occupy page 
of E. Billings, Esq. The island of Anticosti is covered by fossil- 
erate, 
in the course of being deposited in that part of the Paleozoic ocean now 
constituting the State of New York and some of the countries adjacent. 
The fossils of the middle portion fill up the blank with the mano 
th. 
. 
cies have been found in the [Hudson or Trenton group, with three excep- 
bf 
tree-like fossils (Beatricea) occur 430 feet from the base. pi 
straight stems 1 to 14 inches in diameter, tubular, with the esate: 
th 
nous tree. 950 feet above the base there are three additional Upper 
forsil and A 
Silurian fossi ena depressa ryt 
et Settee wnbplectn;. Sirophomens corm collected, 
In the upper 600 feet, 60 species of fossils were 
