OP ARTS AND SCIENCES. 



215 



The last formula is quoted from Carrington. 



LeVerrier counts his time from 1850, and finds (1 employ here 

 Bessel's notation), — 



^ (co' + oj) = 23°27'32"0 + 0".00000360 {f + t"") 

 ^ {xp' — xp) = 25".18516 {f — t)— 0".00005440 (t'^ — f-) 

 ^{z' — z)= .07396 (f -j- <) -[- .00000016 (f + t)^ 

 I =0 .14790 t — .00Q24167 e 



TABLE FOR M AND m. 



[Seepage 53 of this Volume.^ 



