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Vernalization of Sponge Gemmules

Abstract

SPONGE gemmules were collected at Cambridge in September 1945 and brought to Glasgow in a small bottle of water from the River Cam. On September 29, being impatient to make some observations on developing gemmules, I placed some of them in water from Loch Lomond in a refrigerator working at 50° F. The rest were kept in Cam water on my laboratory bench, where the temperature varied roughly between 55° and 65° F.

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JEPPS, M. Vernalization of Sponge Gemmules. Nature 158, 485–486 (1946). https://doi.org/10.1038/158485b0

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