PLATE XL 



Fig. i. Nicella coralloides n. sp. Group of five spicules, a, b, c, d and c. X 330. 



Fig. 2. Nicella carinata n. sp. Group of three spicules, a, b and c. X 330. 



Fig. 3. Ellisella flav a n. sp. Group of three spicules, a, b and c. X 330. 



Fig. 4. Plumigorgia hydroides n. sp. Group of four spicules, a, b, c and d. X 330. 



Fig. 5. Isidoides armata n. sp. Group of five spicules, a, b, c, d and e. X no. 



