A treatise on headachs, their various causes, prevention, and cure / [George Hume Weatherhead].

  • George Weatherhead
Date:
1841
Catalogue details

Licence: Public Domain Mark

Credit: A treatise on headachs, their various causes, prevention, and cure / [George Hume Weatherhead]. Source: Wellcome Collection.

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    the upper order of the brute.^ On the other hand, we know that the brain of the ox does not wei°’h more than one-fourth of the human brain, © while the weight of the entire animal is often more than six times that of man : in other words, the brain of a man is, in proportion to his weight, twenty-four times heavier than that of an ox. Among the prying researches of philosophy to elucidate mind by the examination of its organ, chemistry has even subjected it to the assay of the crucible. Fourcroy, in 1793, shewed that the brain contained in its composition, besides much water, a matter analogous to albumen, and various phosphates. Ten years later, Jourdan proved that the brain, when incinerated, gave free phos¬ phoric acid, although it afforded none in the recent state. Vauquelin, in 1812, was the first who ascertained that the substance of brain con¬ tained pure phosphorus united with the elements of the animal matter. Later still, M. John en¬ deavoured to shew that the phosphoric matter * At the last distribution of the prizes of the Concours-general of the Colleges of the University of Paris, under the presidency of the Minister of Public Instruction, and attended by the Archbishop of Pari;, M. T.iiers, and other ministers of the crown, it was one of the African race — Julieu Gerard, a native of Guadaloupe—who obtained the prize of honour of philosophy, and who last year gained the prizes of honour in Latin and French composition. B 2
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