Carroll, D J Changes Occur in the Central Nervous System of the Nudibranch Berghia verrucicornis (Mollusca, Opisthobranchia) During Metamorphosis. [electronic resource] - The Biological bulletin Apr 1994 - 202-212 p. digital Publication Type: Journal Article ISSN: 1939-8697 Standard No.: 10.2307/1542054 doi