202 NOVA SCOTIAN GEOLOGY.— HONEYMAN. 
metamorphic than in the type, and the fossiis, generally, are less 
perfectly preserved. C strata here correspond and differ in like 
manner when compared with the typical strata at Knoydart, 
Arisaig Township. The Cephalopoda are as large as in the type. 
An orthoceras at Springville is the largest found in Nova 
Scotia. Similar species appear in groups, as in the type. They 
occur in the same relative position. Remarkable forms are also 
found in the two localities. Here the strata are more highly 
metamorphic. This action has also affected the state of preserva- 
tion of the fossils. They are generally casts. Strata D may be’re- 
garded as extending from the north end of Irish Mountain to 
Holmes’ Brgok. Before reaching McLean’s, however, they seem to 
break and their course to change. At Macintosh’s brooklet they 
make a sort of a water-fall, near their junction with the Carbon- 
iferous Sandstones that underlie MeLean’s Limestone. From this 
brook to Holmes’ brook we have the D strata of division (1). Their 
width is considerable. Their outcrop, with fossils, was followed 
to some distance behind David’s Lake. At the back of Irish 
Mountain C strata possibly exist among the strata of the abrupt 
descent to Cross Brook. They were not detected from want of 
fossils. At Holmes’ brook their upper part becomes distinet in 
closest contact with Lower Carboniferous Limestone. Their im- 
mediate contact forms a breccia. Here the water sinks, leaving 
the remainder of the brook dry in summer. The water that has 
disappeared after a subterranean flow, reappears at Holmes’ sluice 
and flows sub diw tothe river. Limestone and C strata are seen 
in approximate contact at the opening; in the strata east of the 
sluice the large orthoceras was found and other characteristie 
fossils. In an outcrop not far from the road crossing, on the same 
side of the sluice, other characteristic fossils were found. The 
same strata are found in contact with the limestone on the river 
side at McPhee’s.. These strata passing along N. E. on the N. 
side of the river form mountains of steep ascent and considerable 
elevation. In some places the strata are bare, especially toward 
the mountain summit, resembling a house top of high pitch. The 
lower strata of MecGillivray’s pasture continue their rampart 
course with a depression on the left onwards to the end of the 
