Excerpt from Proceedings of the Linnean Society of New South Wales, Vol. 98: Nos; 433-436; 25th June, 1973 24th May, 1974 The specimens used in this study were collected from Gymea Bay, Port Hacking, New South Wales, at monthly intervals from February to September, 1971. Ovigerous females were placed singly or in pairs in small plastic containers (diameter 17 5 cm) containing rocks and seaweed from the collection area and seawater, which was changed daily. Other mature males and females were placed in larger aquaria containing aerated seawater their habitat and feeding requirements were met in the same way as those of the ovigerous females. The ambient temperature was approximately 24 Degrees C. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.