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Biol Bull 99: 373-380. (December 1950)
© 1950 Marine Biological Laboratory
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SOME OBSERVATIONS ON A LUMINESCENT FRESHWATER LIMPET FROM NEW ZEALAND

BERNARD J. BOWDEN 1

1 University of Otago, Dunedin, New Zealand

1. Latia neritoides Gray is a pulmonate freshwater limpet from New Zealand, and is highly adapted to life in streams.

2. It is brilliantly self-luminous due to the extracellular secretion of luciferin and luciferase, and is therefore unique among freshwater animals.

3. The luminous epithelium occurs over much of the animal and is similar in appearance to that found in many marine invertebrates. It is especially similar to that of another gasteropod, Phyllirrhoë. In both species similar mucous and granular cells are found lying in the subepidermal connective tissue and projecting into the epidermis.

4. No definite function can yet be assigned to the light.






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Copyright © 1950 by the Marine Biological Laboratory.