THE PACIFIC OCEAN. 419 



The difFerence of longitude, made '777- 



by the time-keeper, between the 

 above obfervatory, and that at 

 Annamooka, - - - o"" 16' 



Hence, the longitude of Annamo- 



ka is - - - - - i8f ir iS Eaft, 



By the time- { Greenwich rate, - 



keeper it is, t New Zealand rate, 



Its latitude - - _ 



N. B. The obfervatory at Tongataboo was near the 

 middle of the North fide of the ifland ; and that at Anna- 

 mooka, on its Weft fide; but the chart will elucidate this. 



The time-keeper was too flow for mean time at Green- 

 wich, on the firft of July at noon, by 12'' 34™ 33%2 ; and 

 her daily rate, at that time, was lofing, on mean time, 

 i'")783 per day. This rate will now be ufed for finding the 

 longitude by the time-keeper; and 184° 55' 18", or 12" 19"" 

 4i%2, will be taken as the true longitude of Tongataboo, 

 Eaft from Greenwich. 



By the mean of feveral obfervations, the South end of the 

 needle was found to dip 



f Lefooga, one of the Hapace iflands, 36° 55' 

 J Tongataboo, - - _ ng jj.. 



The variation of the compafs was found to be 



TAnnamooka, onboard, - ~ - 8° 30' 34." Eaft- 



Anchor ofF Kotoo, between 7 „ 



I (. - 8 12 20^ 



Annamooka and Hapace, 3 



Anchor off Lefooga, - - 10 11 40 



Tongataboo, on board, - - 9 44 5". 



Ditto, on fhore, - - - 10 12 58 



3 H 2 I can 



At S 



