Manual of human physiology / by Leonard Hill.

  • Hill, Leonard, Sir, 1866-
Date:
1899
Catalogue details

Licence: Public Domain Mark

Credit: Manual of human physiology / by Leonard Hill. Source: Wellcome Collection.

Provider: This material has been provided by University of Bristol Library. The original may be consulted at University of Bristol Library.

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    food when winter rules the land. The huntsman observes that a certain kind of game is to be found in some definite place at some particular season of the year, or when the vegetation bears certain characteristic features. He marks the traces left in the mud leading to drinking pools, and learns to dis- tinguish the footprints of the tiger from those of the deer. So soon as this careful study of any one class of facts arises, there comes about a subdivision of natural knowledge, a subdivision which has so multiplied, until in these days of high civilization the student is confronted with a formidable array of sciences. Each science is built up of the experiences or experiments of generations of men, experiences which have now become so multitudinous that to know any one branch thoroughly is the work of a life-time. But out of this overpowering mass of experiences there can be crystalhsed simple truths or laws which show to us that, in and throughout nature, certain causes are inevitably and invariably followed by certain effects. On the knowledge of these laws there is built up the whole fabric of the life of the civilized man, and to know the fundamental facts concerning these laws is not beyond the strength of any man. At the same time this knowledge is of the utmost necessity in order that he may walk, not only with prosperity, but with sanity and health through the stress of hfe. Imagine a school-boy cast upon a desert island. In a moment he is bereft of almost all the props of civihzation. An hour ago he stood, perhaps, on the deck of a mighty steamer, one appointed with every luxury, ruled in its several departments by