Corrections and Clarifications


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Science  13 Sep 1991:
Vol. 253, Issue 5025, pp. 1194
DOI: 10.1126/science.253.5025.1194-e


In the second paragraph of the letter ``Bacillus thuringiensis and pest control'' by Marvin K. Harris (6 Sept., p. 1075), the name of the polyphagus insect pest Helicoverpa zea was incorrectly spelled.