: 
248 Dawson and Carpenter on Eozoon Canadense, 
elow whic 
On the side next the matrix, the septa terminate in blunt 
edges, and do not coalesce; as if the organism had been at 
by that surface, or had been broken before being imbedded. : 
yA Microscopic characters——Under the microscope, with a 
low power, the margins of the septa appear uneven, as a 
ded or tending to an acervuline mode of growth; but 0c 
sionally the septa show a distinct and regular margin. ty 3 
the most part merely traces of structure are presented, conse 
ing of small parts of canals, filled with the rage ra 
"chose De a 
matter of the limestone. In a few places (Pl. I 
however, these appear as distinct bundles, similar to 
the Grenville specimens, but of fine texture. 
‘ine eB. 0,] 7 : : we 
. | 4 tew rare instances only can I detect, with a iy ie 
in the margin of some of the septa, traces of the fine Hono 
