PLATE XVII. 



Page 



Fig. 1. Primnodla distans, Studer. Natural size, . . . .85 



Fig. la. „ „ Polyps ; enlarged. 



Fig. 2. „ mageUanica, Studer. Polyps ; enlarged, . . .83 



Fig. 3. ,, hiseriaUs, n. sp. Polyps ; enlarged, . . .87 



Fig. 4. ,, grandisquamis, n. .sp. Polyps ; enlarged, . . 86 



