Mineralogy and Geology. 269 
taken place in historic times; the felling of forests, the draining 
of land, the embanking and canalization of rivers, the reclaiming 
of marshes, and the like human handiworks having had their effect 
in lessening rainfall and floods, and therefore also the wearing 
action of surface water. 
ot by 
of individual opinion, or mere statements based 
iB ot with us, but with our opponents, lies the onus 
ndi 
1 * Death of Fishes on the coast of the Bay of Fundy ; by Dr. 
= Apams, F.G.S,, 22nd Bopaustiee On 24th of | Sep- 
ont very best style, in all respects. It is on a scale of 
59 As the a are mainly Gelatiic and the related = 
hie, the map has a special interest to New and ore 
Tocks 3 Geologists, and those of other regions where this class 
prevails, 
