DIAPAUSE IN THE GEMMULES OF THE MARINE SPONGE,HALICLONA LOOSANOFFI, WITH A NOTE ON THE GEMMULES OFHALICLONA OCULATA

Abstract

1. The gemmules of Haliclona loosanoffi are present throughout the year in the Mystic Estuary, but active specimens of this sponge are found only during the period extending from late May to late O...