to show the effect of spheroidal weathering, [150].
Diamonds, in the drift, [307].
Diffission, [204].
Dikes, hollow, [140];
in China, [167];
in Holland, [166];
from volcanic dissection, [140].
Diller, J. S., cited, [39], [425].
“Diluvium”, [305].
Dimples, on margin of continental glaciers, [272].