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“On the Genus Ocythoe,” Philosophical Transactions of the Royal Society of London (1819)

from Part One - 1800–1846 Naturals and Naturalists

Published online by Cambridge University Press:  05 June 2012

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Summary

Read February 4, 1819

I have before me a specimen of ocythoe in an argonauta, forming part of the collection of the Acad. of Nat. Sciences. It was taken from the stomach of a dolphin, which was caught in soundings on our Atlantic coast, and is in the most perfect state of preservation, not having suffered the slightest decomposition from gastric action.

It is sufficiently distinct from your O. cranchii, as well as from the animal of Nautilus sulcatus of Klein; and if the figure given by Shaw of the animal of Argonauta argo has any pretensions to accuracy, it is most probably an unknown species.

I here attempt a description of it, and also submit a few remarks on the genus.

Ocythoe punctata

Body pale, punctured with purplish; abdomen conic-compressed, vertical, semifasciate near the summit, with a profoundly indented transverse line; arms much longer than the body, attenuated, filiform at their tips, alated; membranes rounded.

Inhabits the Atlantic ocean near the North American coast.

Descrip. Abdomen conical, slightly compressed, nearly vertical with respect to the disk of the head, with a profoundly indented transverse line, which extends half round, near the summit.

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Publisher: Anthem Press
Print publication year: 2012

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