384 Scientifie Intelligence. 
and gravity alone cannot have placed them where they now are 
sic many of the piles are thus explicable. The ledges have 
their northwestern sides rounded and the southeast angular just 
like dis striated bosses near the Lake of the Clouds. 
arlier observers have failed to discover these facts because the 
far transported stones have been brought to light by recent exca- 
vations in the earth beneath the almost sented carpet of frost- 
cleft fragments. 
. Report on the Geology and Resourses of the Region in the 
vicinity of the 49th Parallel from the Lake of the Woods to the 
Rocky Mountains ; by G. M. Dawson, Geologist and Botanist to 
he Commission. 3 8vo, with a colored geological ir 
views and sections. Montreal, 1875. Addressed to Maj 
Cameron, R q undary Commissioner.—This volume by 
gation of the Rocky Mountain formations north of and near the 
northern boundary of the United States, and is well illustrated by 
sketches, sections and maps. e author speaks first of the Gen- 
e for and a 
beds. a Vili is Seu to this on subject, “ the age of the 
Lignite-bearing formation and position of the line separating the 
Cretaceous and Tertiary,” and the aap is one of value as it 
comes from a careful wor over a new part of the Lignitic 
ul worker 
te ipo! results of assays of the see are contained in a 
s} valu cocco- 
Fol 
Cae ‘of ees poi s by Dr. Dawson, ete. 
The facts collected are numerous and of wide im- 
e of the Woods 
show that the movement of the ice there was in general to- 
thacest. d 
= We t68. St Wit paar the larger part are between he 
20° W. oe S. 40° W. The author arrives aadapend at the 
era. 2 Pang: : 
glac iers and icebergs were the chief agents. He s ys that en 
eight of the highest terraces at the South Kootanie Pani is 4, 
