Corrections

Two corrections should be made in the article by Barber et al on Dutch elm disease control: sanitation improved by girdling infected elms.

(1) On page 126, column two, paragraph one, line four please add a % sign after 19 so that it reads Only 19% of the …

(2) On page 127 in Table 1 columns Alive and DED are not separated for 1974-77 and 1974-78. Numbers in the Alive column are 1664, 1427, 1244, and 1206. Numbers in the DED column are 497, 489, 714 and 748.

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