Phrenology Or the Doctrine of the Mental Phenomena volume 1
Phrenology Or the Doctrine of the Mental Phenomena volume 1
J G Johann Gaspar Spurzheim
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Let us, however, admit the sinuses formed and the air drawn into them, and then ask, what may be its action ? Ackermann imagines that, being warmed, it distends the cells by expanding. Is it not, however, more probable that it would rather escape by the aperture through which it had entered, than act with such force as to distend them ? Even supposing that the air did distend the cells, they ought to be like bladders, and not angular, as they are. Moreover, they do not all communicate ; there a...re also cells in the bones of the extremities, even in the foetus, to which the air never penetrates ; why then should not cells be also originally formed between the tables of the skull ? Finally, Pro- fessor Ackermann 's opinion is a mere supposition. I know indi- viduals of sedentary habits who have large sinuses, and others who live much in the open air and have none. The ox, too, and hog have larger cranial cells than the stag, roe, and reindeer ; the lazy owl, than the active eagle ; and the stork, wild duck, wild goose and swallow, have none whatever, notwithstanding their frequent and rapid flights.
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