PAE: 1 
EXPLANATION OF FIGURES 
All figures represent Renilla amethystina Verrill. 
1 Anexpanded colony of Renilla photographed in its natural position on the 
sand and under sea-water; seen from above. 
2 A contracted colony photographed in its natural position on the sand after 
the withdrawal of the tide; seen from above. 
3 A fully inflated colony, viewed from the inferior face. 
4 A fully contracted colony seen from the side. 
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