5 between 11 and 12 o'clock P.M.on July 1st, between 9 and 10 o'clock P.M.on August 1st, and between 7 and 8 o'clock P.M.on September 1st.
The meridian runs through the middle of Chart No.

6 between 11 and 12 o'clock P.M.on September 1st, between 9 and 10 o'clock P.M.on October 1st, and between 7 and 8 o'clock P.M.on November 1st.
Note well, also, these particulars about the charts: Chart No.

1 includes the first four hours of right ascension, from 0 h.

to 4 h.
inclusive; Chart No.

2 includes 4 h.