PLATE X. 



Fig. i. Echinomuricea costata n. sp. Natural size. ia, part of branch x 5. 



Fig. 2. Echinomuricea cylindrica n. sp. Natural size. 2a, part of branch 5. 



Fig. 3. Echinomuricea pulchra n. sp. Natural size. 30, part of branch X 5- 



Fig. 4. Echinogorgia ridleyi n. sp. Natural size. \a, part of branch X 5- 



