The Rev. Dr. Robinson on the Constant of Refraction. 



213 



l6xrfR = — 14".62 

 K = 5.5356 



<;r = — 0".9l 

 dfi=— 0.165 



16. o' Canis Major is. 



8 = — 23' 58' 35".82. J. 



Precession = — 4". 092 ; sec var. = — 0". 353 ; proper motion = — 0".059. 



lSXdR=— 23".47 

 K = 5.5514 



dR : 

 dfi : 



: — 1".81 

 — 0.325 



