powers and instructions as the exigency of a crisis so momentous may require."

the frontier has changed frequently according to the expansion and contraction of the empire under the pressure of political exigency and expedience.

The full quote runs: "Necessitous men are not, truly speaking, free men, but, to answer a present exigency, will submit to any terms that the crafty may impose upon them."

But when the Hats became the armourbearers of France in the north, a protector strong enough to counteract French influence became the cardinal exigency of their opponents, the younger Caps, who now flung themselves into the arms of Russia, overlooking the fact that even a pacific union with Russia was more to be feared than a martial alliance with France.

To meet this exigency, Zarlino proposed that for the lute the octave should be divided into twelve equal semitones; and after centuries of discussion this system of "equal temperament" has, within the last thirty-five years, been universally adopted as the best attainable for keyed instruments of every description.3 Again, Zarlino was in advance of his age in his classification of the ecclesiastical modes.