On August 18, 20, 21, September 1, 5, and 8, there were no disturbing causes to any amount in operation within 5000 feet of the earth, and therefore the projected and adopted curves are identical.

1

The next Table has been formed by taking the difference between the temperatures at every consecutive 100 feet, in every ascent and descent, up to 5000 feet.

TABLE VI.-Showing the Decrease of Temperature with every

Descending.

Ascending.

From

To

Ascending.

Descending.