OF 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), — 



J (a,/ -f <w) = 23°27'32"0 -|- 0".00000360 (t^ + t'^) 

 ^ (ifj' — x}j) = 25".1851G (f — — 0".00005440 (t'^ — f) 

 ^ («' — z) = .0739G (f -f <) -j- .000000 IG (f + <)' 

 X =0 .U7*J0 t — .00024167 f^ 



TABLE FOR M AND m, 



[See page 53 of this Volume.] 



