132 Scientific Intelligence. 
at, ee 
with orga nie lime stone, beds of iron ore, and metallic aught 
greatly strengthens the probability of its pomeeable origin; y, 
that when we consider the immense thickness and extent of the 
Eozoonal and aires nla en iron-ore deposits of the 
Laurentian, if we admit the organic origin of the limestone and 
phite, we Bee be prepared to palieve that the life of that early 
period, though it may have existed under low forms, was most 
copiously developed, and that it equalled, perhaps surpassed, in its 
results, in the way of geological accumulation, that of any subse- 
ue 
nt pe 
“Tn conclusion, this subject opens up several interesting fields of 
chemical, physio olo ogical and geological inquiry. One of these re- 
lates to the conclusions state y Dr. Hunt as to the probable ex- 
; 8 
forms of animal life than Hozoon and Annelids, which I have sta- 
ted in my paper of 1864, after extensive microscopic study of the 
Fecwush limestones, to be indicated by the occurrence of cal- 
b 
ent of unknown nature. other is the effort to bridge over, by 
further discoveries similar to that of the Kozoon bavaricum of 
Prelaurentian. e _ here — the opportunity of stating that 
in - oposing the e Hozoon for the first fossil of the — ntian, 
bitogical investiga 
On Derwent Roel in Nova Scotia; 
PRS. 
paper by Prof. H. Y. Hind on the Geology 
wiich it is said that Dr. Hone 
