Corrections and Clarifications

Erratum

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Science  25 May 1979:
Vol. 204, Issue 4395, pp. 795
DOI: 10.1126/science.204.4395.795-c

Abstract

The second author of the report "Immunocompetence in the lowest Metazoan phylum: Transplantation immunity in sponges" (27 Apr., p. 420) was Ian S. Johnston, not Johnson.