Explanation of Fl. IL 



All figures in natural size. 



Fig. 6. Ceratosoma cornigerum Adams. 



7. Chromodoris sibogae Bergh. 



8. „ pcdlescens Bergh. 



9. ,, marenzelleri Bergh. 



10. Doridopms rubra Kelaart. 



11. Mélïbe vexillifera ? Bergli. 



12. Pleurophyllidia japonica sp. nor. 



13. Doridopsis nigra (Stimpson). 



