The years 1900 and 1901 strikes were increasingly numerous, chiefly on account of the growth of Socialist and working-class organizations.
Cuvier's term in its wide extension, however, passed into general use; but, as the anatomy of the different forms became more fully known, the difficulty of including them under the common designation made itself increasingly obvious.
Such quotations were multiplied, as theologians learnt to depend increasingly upon their predecessors, until the testimony of "our holy father" Athanasius, or Gregory the Divine, or John the Golden-mouthed, came to be regarded as decisive in reference to controverted points of faith and practice.
To the southward, as the valleys become increasingly sandy and saline, even the sage-brush disappears, and little vegetation besides the cactus and the yucca is to be seen.
From Leo IX.'s time papal grants of the mitre to eminent prelates became increasingly frequent, and by the 12th century it had been assumed by all bishops in the West, with or without papal sanction, as their proper liturgical head-dress.