Page:Curiosities of Olden Times.djvu/154

Curiosities of Olden Times as may be seen by breathing on a glass, or in cold weather. Also, when we inhale the breath of any one who is ill, we are conscious of receiving infection. On the other hand, it is manifest that the breath of a young and vigorous person, charged with powerful volatile salts, will have a balsamic and vitalising capacity, or at the least a mechanical elasticity, which must communicate vigour." The doctor quotes with approval the opinion of Van Helmont, that the air absorbed into the lungs penetrates the whole system, and circulates through every part, to the very hair, catching up volatile salts on its passage. Thence he concludes that the exhalations of little girls, who are brimming over with vitality, and heaven knows what life-giving salts, must be charged with some of their redundant vitality; and if this breath be inhaled by an old man, he assumes into himself, and absorbs into his constitution, that life which had been cast off as superfluous by the children.

The third line, with its repetition of "umque" is peculiar rather than elegant. The doctor rates the schoolmasters of his day for smoking during class hours: he tells them that they are losing an 142