Thus, in the whole of the "intermediate zone," the silicious deposit which is being formed there, as elsewhere, by the accumulation of sponge- spicula, Radiolaria, and Diatoms, is obscured and overpowered by the immensely greater amount of calcareous sediment, which arises from the aggregation of the skeletons of dead Foraminifera.

Differences in the mode of aggregation in Greece and Rome on the one hand, and in Teutonic countries on the other.

Society is a systematic aggregation for the benefit of the multitude, but great men lift themselves above it into a purer atmosphere.

Thus in ancient Greece and Italy the primitive clan-assembly or township-meeting did not grow by aggregation into the assembly of the shire, but it developed into the comitia or ecclesia of the city.