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III.—On Larvæ of Lingula and Pelagodiscus (Discinisca)

Published online by Cambridge University Press:  06 July 2012

J. H. Ashworth
Affiliation:
Lecturer in Invertebrate Zoology in theUniversity of Edinburgh.

Extract

The specimens which form the subject of this paper were collected on voyages to and from Australia on board the s.s. Orsova and Otway of the Orient Line. Sea-water was being constantly pumped on each ship, by a rotary pump, from an inlet about 18 feet below the water-line to a large tank on the boat deck, and I was allowed to run off, through a plankton net, as much of the water as I desired in order to collect the organisms contained therein. For this privilege, of which I availed myself to a liberal extent, I beg to thank Captain J. F. Healey and Captain F. S. Symons. The small organisms suffered comparatively little by their passage through the pump and pipes, and were, for the most part, in a living and active condition when examined.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1916

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References

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