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—In the article, "Hydrocephalus," published in the May issue of the Journal (125:688-693, 1973), several errors appeared in the Table on page 690. The numbers in columns "C" and "F," which represent subtotals of columns "A + B" or "B + E," should have been omitted from the totals. This would change the totals from 124 to 56 and 98 to 57 and the resultant percent would be changed from 43 to 51.