M.-P. VOL. I.] -7 CRA WFORD CONSTANT OF REFRA CTION. 171 

 STAR No. 225 /. ^r. (With 948.) 



0.002II 



[/ 1 = 50^ ; log [pvv ] = 5.8809 



STAR No. 225 /. c. (With 984.) 



p. e. = 



0.00015 



| 0.00126 



[p ] = 39^ ; log [pvv 1 = 5-6934 



p. e. = 



0.00015 



(6) 



May 9, 1903. 



