The law of human increase, or population based on physiology and psychology / by Nathan Allen.

  • Nathan Allen
Date:
1868
Catalogue details

Licence: Public Domain Mark

Credit: The law of human increase, or population based on physiology and psychology / by Nathan Allen. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    is purified, more nervous energy expended. While the heavy cart horse may be con>idered to possess the lymphatic temperament, the blood horse may be re- garded as the emblem of the nervous and sanguine temperaments combined, the latter, however, predomi- nating. When the nervous temperament has the as- cendancy, the animal will carry but little flesh, but will go till he drops, never seeming to tire. When the sanguine tem])erament greatly prevails, the horse will have great muscular powers, but not much incli- nation to put them to the stretch. hen the lymph- atic temperament has superior influence, the animal, though looking fresh and fat, and starting well at first, will soon flag and knock uji, and will rather en- dure the lash than make an extra exertion. The full development of the abdominal oi’gans is essential, in- asmuch as it is throusrh the food that the muscular O and nervous energy is furnished. If the digestion is weak the other powers will be insufficiently su])plied. The sanguineous organs are needed to furnish the muscular powers, and the nervous system is demanded to furnish the muscles with the requisite energy, and the capability of endurance. What is called bottom in the horse is neither more nor less than the abundant sup])ly of nervous energy, the muscles being at the same time well developed. It is the happy combination of the three temperaments that makes a perfect horse.” Connected with this well-balanced physical system, and growing out of it, the laws of increase have also their origin and foundation. If, therefore, after ex- periments have been tried here for a long series of
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