In “Note 30: Application to American Commission on Stratigraphic Nomenclature for an Amendment of Article 31, Remark (b) of the Code of Stratigraphic Nomenclature on Misuse of the Term ’Stage’,” the word “and” was omitted from the next to last sentence on page 711 of the May Bulletin, Vol. 48, No. 5, 1964. The corrected sentence is:

This usage is here excluded from formal stratigraphic nomenclature insofar as it conflicts with the definition of “stage” as a time-stratigraphic unit and with the requirement that “stages” be extended geographically on the basis of time-equivalent criteria (see Article 39a).

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