Ihe great Eclipse of Is3I.-This C. eilpse, which will happen on the 18th of February, will be one of the most remarkable that will again be witnessed in the United States for long course of years. The apparent diameter of the sun will be g l-2 minutes of a de- gree that of the moon 3I l-2. Ofcourse the eclipse will be onnuIar; that is, in all places where the sun will be cen Itrally eclipsed, al the moment of great est est oII,seuration, it will exhibit the ap- Ipearance of d beautiful luminous ring around the moon. Ecllpses of this kind

 are of less frequent occurrence than

 those which are total. The. centre of the eclipse will first touch the earth's disk in the great Pacific Ocean, on the

 morning of Feb. l2th, in lat. 3l de-

 grees 5 minutes N. and longitude 40 degrees } minutes west from Green Iwieh. At this point the sun will rise centrally eclipsed, at 34 minutes past

 { o'clock; or at 2 hours 54 minutes P.

 M.appareattime at Greenwich. Thence

 proceeding by a gentle curve to the South and cast; in i6 minutes it will