The plagiarisms of Julius Jeffreys, F.R.S., in his treatise on the statics of the human chest / by G. Calvert Holland.

Date:
1844
Catalogue details

Licence: Public Domain Mark

Credit: The plagiarisms of Julius Jeffreys, F.R.S., in his treatise on the statics of the human chest / by G. Calvert Holland. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    tilted; hence the blood in old age, partly in consequence of this circumstance, will, in the greater number of instances, he destitute of highly nourishing and stimulating properties.”* Without adducing additional evidence of the fact, is it not obvious, that the extracts from ‘ the Statics of the Chest,’ in language only slightly modified, contain pre- cisely the same views. There is not, indeed, an important idea enforced by him, but what is clearly embodied in the several passages given in this analysis. Discovery IX. The air expired is no necessary index of that inspired. “ This calls upon us to revert once more to the important fact, that the ah- expired is no necessary index of that inspired. Being a mixture of a small part of the ah just inspired (the rest having become resident in the chest) with a large quantity of the resident ah, its quantity is no measure of the quantity of the ah previously inspired; unless the experiment is carried through a large number of respirations, and with the caution, at the end, of ascertaining that the resident air has not been breathed out. Any one who will make the trial will find, at the termination of it, an inclination to relieve a feeling of constraint, which has been produced, by a deep inspiration or sigh. This proves that resident ah has been expelled in making the expirations balance hi quautity the inspirations.”-)- It has already been remarked, that to arrive at correct or comprehensive views on the subject of animal heat, it is essential to study the influence of the two acts of respira- tion ; and the consequences flowing from a preponderance of either, as to the changes in the qualities of the blood, as well as to the volume of the air in the chest, are stated in numerous passages. He calls attention to this important fact, that the quantity of air expired, is no measure of the quantity of air previously inspired. * Principles of Medicine, p. 315. f Opus cit. p. 110. c