M.-P. VOL, I.] CRAWFORD CONSTANT OF REFRACTION. 185 

 STAR No. 1182. 



OJ = 59; log [pvv] = 6.2272 



{- O.OOOI2 



p. e. = 



0.00020 



STAR No. 424 /. c. (With 1105.) 



I 0.00031 



= 6.1588 



p. e. = 



0.00022 



