On pages 202 and 205, Vol. 58, No. 2, August 1, 1933, the cuts for Text-figs. 2 and 3 should be interchanged. The cut on page 202 is Text-fig. 3, and should appear on page 205. The cut on page 205 is Text-fig. 2, and should appear on page 202. The legends should remain on the pages where they now appear.

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