PLATE III. 



Fig. i. Lophogorgia pinnata n. sp. Group of 2 spicules, a and b X 350. 



Fig. 2. Leptogorgia fonnosa n. sp. Group of 4 spicules, rt, ^, r and d y 250. 



Fig. 3. Stenogorgia studcri n. sp. Group of 5 spicules, a, b, c, d and r X 120. 



Fig. 4. Platycaulus siboga n. sp. Group of 4 spicules, a, b, c and d X 120. 



