ERRATA.

Page 53.

Line 2 from bottom. For "4th and 12th" read "12th and 15th." Page 379. In Table 1, opposite to 0h. 30m. after the moon's meridian passage, or time of lunar mean high water. For 0.140 of a foot" read "0.146 of a foot."

Errata in No. 60 (Vol. VI.), and No. 61 (Vol. VII.), of the Proceedings of the American Philosophical Society.

No. 60, (VOL. VI.)

Line

Page. from top.

CORRECTIONS.

For "practical observer," read, practised observer.
After "Minoris)" add the word, north.

At the end of the fourth line from the bottom: for "Oh.
02m. 538.76," read, Oh. 02m. 53s.763.

For "00s.03," read, 0s.003.

At the end of this line: for "+0s.251,” read, + 0s.256.
After the word "day," place a comma.

After "(July 3d.)" erase the semicolon, and substitute
a comma in its stead.

At the end of this line: for "104m. 42s.16," read, 4m. 428.16.

CORRECTIONS.

For "Leonis," read, y' Leonis.

For "07," read, .07.

For "(at 12h. 34m.)" read, (at 12h. 24m.)
For station," read, stations.

For "36m. 34s.04," read, 36m. 34s.4.

For “(at 20h. 86m. 38s.44, &c.)” read, (at 20h. 36m. 3-8.44, &c.)

For "12h. 16m. 53s." in the second column from the left hand, read, 12h. 16m. 52s.

In the fourth column from the left, for "9h. 02m. 08s.24,"
read, 9h. 05m. 08s.24.

For "astronomidal," read, astronomical.
For “1851,” read, 1858.

For+8' 30"," read, + 8' 20".

At end of bottom line, for "6h. 02m. 13s.03,” read, 6h. 02m. 138.30.

In the last line of the fourth column from the left: for "10h. &c.," read, 11h. &c.

In the second line from the bottom, and in the fourth column from the left; for "10h. &c." read, 11h. &c.

In the first or left hand column: for "11h. 22m. 10s."
read, 11h. 22m. 00s.

For "(at 4h. 08m.)" read, (at 5h. 08m.)
For "(at 12h. 11m.)" read, (at 11h. 12m.)
For "4m. 438.63," read, 4m. 448.64.

Bottom line.

Bottom line.

For the sign (minus), read, + (plus).