September 14, 1999
From: Erwin Koehler
Medslugs.Koehler@t-online.deKoehler, E., 1999 (Sep 14) 'Food' of Nembrotha sp. 9. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/1334
If I had looked more closely at your original scans of the two 'species' I would have seen that both photos have what looks to be the same species of ascidian. Its a useful piece of information.