Davis, W. M., cited, [7], [178], [179], [221], [247], [276], [317-319], [378], [382].

Deceptive unconformity, [53].

Decomposition, [149], [156];

mechanical results of, [150].

Débris cones, [395].

Deep sea deposits, [36], [38].

Deflation, [204].

Deforestation, in relation to agriculture, [156];

of Karst region, [188];

relation to erosion, [157].