266 T, M, READE ON A DELTA IN MINIATURE. 
fine weather and flood of the same agent, a running stream, modi- 
fied, no doubt, by the height to which the reservoir rose at the 
time,—conditions often repeated on a larger scale in nature all over 
the world. 
cal 
Discussion. 
Mr. J. Evans pointed out that the rainfall in the district of the 
Rake river was a high one, so that the denudation might thereby 
be increased. It would be interesting to have results where the 
rainfall was of amore average character. He was disposed to think 
that, under similar conditions, the denuding effect of the rainfall 
would vary as some higher power than unity with the amount. 
Prof. Jupp said that Mr. Mellard Reade had found that in higher 
regions the harder character of the rock balanced the increased 
amount of rainfall, 
