PLATE VIII. 



Page 



Fig. 1. AcantJioisis Jiabelluvi, u. sp. Natural size, . . . .45 



Fig. la. „ „ Showing polyps; magnified. 



Fig. 1&. „ „ Axis, showing the origin of the branches. 



Fig. 2. F7-im.7ioisis antarctica (Studer). Natural size, . . .35 



Fig. 2a. „ „ Polyps ; magnified. 



rig. 26. ,, „ Axis, with origin of branches. 



Fig. 3. ,, rigicla, n. sp. Natural size, . . . .37 



Fig. 3a. ., ,, Polyps ; magnified. 



Fig. 4. „ sparsa, n. sp.; magnified, ..... 36 



