[e 2} 
a 
We} 
2. Ph. elegans, Ben. 
3. — rosans, BGH. 
4. — loricata, BGH. 
II. Phyllidiella, Ben. 
Dorsum tuberculis discretis vel p. p. confluentibus quincunces formantibus obsitum. 
— Apertura analis dorsalis. 
Tubus oralis (cum glandula ptyalina) asymmetricus. 
1. Ph. pustulosa. (Cuv.). 
Ph. albo-nigra, @. et G. 
2. — nobilis, BGH. 
3. — nigra (van Hass.). 
Phyllidia nigra, van Hass. R. BERGH, die van HAsSELT- 
schen Nudibranchien. Notes from the Leyden Mus. IX. 
1887. pag. 313—314. Taf. 6. Fig. 6. 
? Fryeria variabilis, COLLINGw. On some new sp. of nudibr. 
moll. from the eastern seas. Trans. of the Linn. Soc. of 
London. II, 2. 1881. pag. 137. pl. X. Fig. 24—28. 
4. — verrucosa (VAN Hass.). 
Phyllidia verrucosa, van Hass. R. BERGH, 1. c. 1887. 
pag. 313, 319—322. Mar 63H PIo. 
III. Fryeria, Gray. 
Dorsum fere ut in Phyllidiis propriis. — Apertura analis postice inter pallium et 
podarium linea media sita. 
Tubus oralis (cum gland. ptyalina) sat symmetricus. 
1. Fr. Ruppelluü, Bon. 
IV. Phyllidiopsis, Be. 
Dorsum fere ut in Phyllidiis propriis. — Apertura analis dorsalis. 
Tubus oralis ut in Doriopsidibus:; elandula ptyalina disereta (?). 
ji 8 pt} 
1. Ph. cardinalis, BGH. 
2. — striata, BGH. n. sp. 
