No Abstract Available.

Credit for bringing the attention of the U. S. Weather Bureau to this tornado belongs to Dr. David White, home secretary, National Academy of Sciences, Washington, D. C., who received a copy of the print reproduced as Figure 1 and brought it to the attention of the bureau. The print was used as a front cover illustration of Science News-Letter of July 19, 1930. Mr. Blackstock has furnished a report on the storm from which the text following has been condensed.—Ed.