sub strata

Upon these sub-strata this fixity of caste rests with crushing weight.

It is scarcely necessary to say that these doctrines may be found as sub-strata in all the ancient theologies.

Its nature, its merits, its tendencies, were ignored by the sub-strata of the population.

But heavy traffic and the soft sub-strata of the river-bank town have long since worked sad havoc with the old pavements.

It is a long interesting story way back to the days of Ethiopian glory, for the Negro is the sub-strata of that race.