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1. On the Development, Structure, and Economy of the Acephalocysts of Authors; with an Account of the Natural Analogies of the Entozoa in general

Published online by Cambridge University Press:  16 March 2015

Harry D. S. Goodsir
Harry D. S. Goodsir
Affiliation:
Conservator of the Museum of the Royal Coll. Surg. Edin.
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Extract

The Acephalocyst or Hydatid is composed of a vesicle containing fluid. It propagates by means of internal gemmules, which are developed between the layers of the membrane composing the vesicle, and, after a certain time, are thrown off internally.

The author, after pointing out these distinguishing characters of the Hydatid, referred to the confusion which had arisen, from want of proper observations on this point, and which, with other causes, had been the reason why the animal nature of these creatures had been denied by some writers of great authority.

Type
Proceedings 1844
Information
Proceedings of the Royal Society of Edinburgh , Volume 1 , 1845 , pp. 466 - 468
Copyright
Copyright © Royal Society of Edinburgh 1844

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References

page 467 note * The author looks upon these parts of the ovule as merely analogous to those of the higher animals.