Mary remained in doubt, for the first five minutes or so of her call, whether the stiff guarded precision of this was a mark of hostility to the whole Wollaston clan or whether it was nothing but undiluted New England reserve.

The precision, exactitude and regularity of the news brought in by its members are evidence of their perfect organization and also of the perfect training of the pilots and the observers.

"A short period" is, however, a vague expression and, since precision is the hallmark of an important law, we must accord to this one a status inferior to that which the preceding three can rightly claim. §5.

Precision in this matter is the more requisite, because of the peculiarity in the measure.