Deniston, cited, [121].

Deposition, in zones about desert, [216], [217].

Deposits, aktian, [36];

chemical, [34];

continental, [37];

deep sea, [36], [38];

delta, manner of growth of, [167];

fluviatile, [35];

fluvio-glacial, [31], [310];

in valley vacated by glacier, [398];