350 W. @. Kerr—Action of Frost in the 
elevations along the line of movement that a clew to their 
origin could be had. The gold mines, at different elevations 
near the base of the Pilot, furnished the opportunity for such 
comparison. It was thus seen that the distribution of the 
materials of these deposits at their upper portions is represented 
y figures 1, 2 and 4; at a lower point by figures 3, 6,7; and 
still lower by 8, 9. That is to say, a longitudinal section, down 
the slope, would be expressed by figure1l. Above, toward the 
left of the figure, the angular fragments of rock are distributed 
11. 
movements of loose earth and stones do occur, but only on 
steep slopes of 40° and upward; and such accumulations are 
not uncommon at the foot of steep declivities; but these are 
distinguishable at a glance from the deposits in question. 
And further, instances are not unfrequent of the movement of 
these deposits on a dead level, and even up hill, over local ob- 
structions or irregularities of surface. 
