Geology and Natural History. 73 
the world, and illustrate universal principles. The general 
subjects of the origin and arrangements of rocks, and their 
of water in the condition of oceans, er n glaciers, 
ess and simplicity calculated to attract 
the popular reader. The succession of life on the globe is only 
mn bri i 
beaches, the influence of changes of lev the features and 
courses of rivers of Britain and France, the qualities of rive 
waters and the nature of British soils, come consideration. 
to all geologists, Its value is much enhance logic 
map of Great Britain beautifully colored, which forms its frontis- 
lece, 
We think there is much that is hypothetical in his views on the 
merican Huronian, but in general his remarks on American 
rth 
acterizing them, and found along their coasts, and points out the 
s us how little we know with regard to this great subject. 
Some additional facts might have been introduced with reference 
