with the Dates of their corresponding Eclipses^ &c. 24 7 



Remarks. 

 1. Tlie eclipse of the sun observed at Pekin, April 7, 4^ 1 1'" 

 a" ?^^Io^^ y^''*'" ^^^'^'^ ^^'■''^' returned visible at Constantinople 

 A.D. 889 on April 3, 17^ 52'" after a period of 912 years— less, 

 three days ten hours nineteen minutes. In a period of 912 years 

 three vvliole days are to be allowed for the anticipation of the 

 moon, at the rate of one day in 304 years. See this explained in 

 Mr. Ferguson's Astronomy, art. 387, p. 377, 12th edit. : there- 

 iorc tins period seems to agree with ancient observations. 



A n lun *^"'^ ^'•■'■'''^ °^ *''^ ^"" observed at C:on.stantinople 

 A.U Hyy, returned again invisible in England A.D. 1801 on 

 April 12, at 16" 21- in long. 22" 45', or about April |:{, 



