Delta deposits, manner of growth of, [167].

Delta lakes, [419], [420].

Delta region, of a river, [35].

Deltas, abnormal, below outlets of lakes, [431];

in relation to agriculture, [166];

in relation to population, [166];

lake, [428];

of rivers, [165], [166], [179];

sections of, [168].

Dendritic glaciers, [383], [385], [386].