TRANSACTIONS 
OF THE 
Aova Scotian Justitute of Natural Seience. 
Art. I.— Nova Scotian GEOLoGy.— DicBY AND YARMOUTH 
Countises.—REv. D. Honryman, D.C.L., F.S. A., &e., 
Curator of the Provincial Musewm and Professor 
of Geology and Paleontology in Dalhousie College 
and Uniwersity. 
(Read Nov. 8, 1880.) 
INTRODUCTION. 
As the investigation of the Geology of the Counties of Digby 
and Yarmouth is an extension of the work already done in the 
Counties of King’s and Annapolis, I deemed it advisable, as I 
found it convenient, to take a second look at the fossiliferous 
rocks lying between Moose River and Bear River. 
Tron MINE. 
The Rey. Mr. Godfrey and I revisited the Iron Mine of Moose 
River, scmetimes called the New Iron Mine. The ore here is 
Magnetyte. Its fossils, especially the gigantic trilobite Asaphus 
ditmarsic, and those of the associate strata are considered to 
be unquestionable evidence of Pre-Devonian and Pre-Upper 
Silurian and therefore Middle Silurian age. Vide Transactions, 
1878-9-S0. Here, as formerly, I collected fossils, e. ¢., additional 
specimens of the Cyathophylloid coral. Petraia sp? South of 
these mines and of the Hessian Line (road) fossiliferous guartzites 
were previously observed, apparently lying next to the Archean 
Granites. These are considered to be an extension of fossiliferous 
