title: Erratum.
abstract: According to the latest information the publisher has provided to Science the current price of The Nervous System (Donald B. Tower, Ed.; Raven Press), reviewed by John G. Hildebrand, 22 April 1977, p. 419, is $15 a volume, rather than $25 a volume and $65 for the three-volume set, the prices listed at the head of the review.