418 Scient fie Intelligence. 
land. After these came a thick band of ophites and aphiee 
Succeeding these were bands of diorites and hornblendic vit 
we 
cad aie the Devonian, into the Lower Carboniferous. 
There appeared to me to be a sufficient lithological resemblance, 
between these rocks and those of Canada and Newfoundland Lau- 
— ~ the geological age of the rocks : fies uestion. Dr. et 
however, knows right well that I had other and much better 
is a of repli the requisite cavedie® * 3 a the sh ee 
a: 
t oceasion to direct dhs scmasen of English and 
Continental geologists to the rock specimens referred to; so that I 
was not altogether ignorant of their character and appearance, 
Thus schooled I considered the rocks discovered to be Lauren- 
ate 
ee and whose knowledge of the Silurian rocks 
of Arisaig aia nid es where fossils oceur is somewhat intimate. 
To him I declared motets that I had found the Laurentian 
rocks in the neighborhood of our old geological field ; at the same 
time I gave him specimens of these rocks. Shortly after I left the 
field on account of the sptaaie of the weather. On my a 
iron in the locality. When Prof, Hind —— 
ve 
covery 0 ae ae backai In the month of Disconber following, I 
a letter from Sir W. Logan, addressed to the care of 
W. A. Hendry, Esq., Deputy Commissioner of Nova Scotia Crown 
Lands, a gentleman who has had considerable field experience as 
