854 H. Y. Hind on the Laurentian and 
Laurentian gneiss forms the axis around which the Huronian 
and Silurian series are arranged; but with respect to the precise 
limits of their formations little is known to the west or to 
the east. 
the Lower Silurian, are probably representations in man 
the district where they occur. 
8. The Hozoin Canadense. 
Tn the autumn of 1868, Dr. Honeyman, then e ngared aged on the 
geological survey of Canada, ¢ discovered on the Gulf coast of 
Nova Scotia, in the enande ong and near the base of the 
d 
cation of my Preliminary Report on the Nova Scotia Laurentian 
Specimens were sent to Montreal for aerrpentiet and pened | 
tions were given by Dr. Hunt, who also shared Dr. . Honeyma® 
indeed forgotten, until quite recently, as Dr. Hunt informs™ 
under date Feb. 3d, 1870. When submitted to the microscopic 
test, the Hozotin Cuncedonee wan distinctly seen, and Dr. Dawson 
has confirmed the observations. ay 
This fortunate occurrence has a two-fold bearing. It not Zt 
~ ea most satisfactory testimony to the existence in Nor 
of the Laurentian Reusenaen bu but it enables geologists 
znize the truth of Dr. Honeyman’s opinions, al 
known or 
