newly incised, [169];

partially dissected, [160];

progressive investment of, by cirques, [374].

Uplift, marks of, on coasts, [245];

sudden, of coasts, [247].

Upraised cliffs, [249].

Uptilt, in basin of Lake Agassiz, [350];

of glaciated area, evidence that it continues, [348-350];

of glaciated area, supposed nature of, [344-347].