PLATE 33 
1. Ophiothnix longipeda, aboral surface. X 0.75. 
2. Ophionereis porrecta, aboral surface. X 1. 4. Ophiothrix trilineata, aboral surface. % 1. 
3. Ophionereis porrecta, oral surface. X 1. 5. Ophiothrix trilineata, aboral surface. X 1. 
