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2. On Chlorophyll from the Deep Sea
Published online by Cambridge University Press: 15 September 2014
Extract
The shells of certain molluscs which are obtainable on the seashore between tides are seen to be more or less coloured green. I have noticed a fine rich colour on the operculum of a Turbo from the Pacific Ocean, which had been killed and the shell preserved dry. The shell has a high polish, the colour is the rich green of an ivy leaf, and the pigment is contained in the shell material. When the mollusc dies, and the shell is left exposed to air, light, and water, the green becomes a brownish-yellow colour. Some specimens of spirit, which had been poured off shells and fragments of coral obtained by dredging in deep waters, were examined by me for Mr J. T. Buchanan.
- Type
- Proceedings 1184-85
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- Copyright © Royal Society of Edinburgh 1886