Tank No. 21. 



30 



Fig. 105. Is is ncapolitana 



(White Coral), on a stone, 



with expanded polypes. 



The bark has died off at the 



lower end and the skeleton 



is therefore visible. 



1/2 nat. size. p. 66. 



Fig. 106. Antipathcs larix 



(Black Coral), attached to 



a stone, V2 ii^t. size. 



