PLATE VIII. 



Page 



Fig. 1. Acaitthoids JiaheUviit, n. sp. Natural size, . . . .45 



Fig. 1«. „ „ Showing polyps ; magnified. 



Fig. \h. „ ,, Axis, showing the origin of the branches. 



Fig. 2. Primnoisis antaivtica (Studer). Natural size, . . . .35 



,, ,, Polyps ; magnified. 



,, ,, Axis, with origin of branches. 



,, rigida, n. sp. Natural size, . . . .37 



;, ,, Polyps ; magnified. 



,, sparsa, u. sp.; magnified, . . . • .36 



