FIG. 22.-LIFTED FOG. HEIGHT ABOVE GROUND ABOUT 500 METERS.

PLATE I.

FIG. 23.-SEA FOG POURING OVER SAUSALITO HILLS AND THROUGH GOLDEN GATE.

FIG. 24.-FOG WAVES.

PLATE II.

FIG. 25.-FOG LIFTING. VIEW FROM U. S. WEATHER BUREAU, MOUNT TAMALPAIS, CALIFORNIA.

PLATE III.