M.-P.— Vol. I.] CRAWFORD— CONSTANT OF REFRACTION. 1 87 



Star No. 444 /. c— (With 1162.) 



[p] = 47^ ; log [pvv] — 5 .7941 



/\ I — 0.00268 

 p. e. = Jt 0.00015 



[^] = 54# ; lQg\pvv\= 58266 



p. e. = zt 0.00013 



(7) 



May 8, 1903. 



