4^ 



«e Lyras near 6 o'clock in the Evening. 



The first column points out the clay of observation. The second 

 shews the position of the face of the circle. The third the mean 

 zenith distance, Jan. 1, 1811, to which the observations have been 

 reduced a? being a middle epoch between the observations. The 

 last Column is the multiplier of the semiannual parallax to obtain 

 the parallax in zenith distance at each observation. Tlie product 

 is to be applied, according to the sign, to the zenith distance in the 

 third column, to obtain the mean zenith distance.. 



