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



219 



16 X rfR = — 18".37 

 K = 8.8592 



d^= — 1".15 

 <f/i = — 0".I30 



8 Canis Majoris. 



8 = -26°7'42". 18.(J.) 



Precession = — 5". 316 ; sec var. = — 0". 340 ; proper motion = -f- 0". 021. 



14 X fifR = — 29".33 

 K = 6.5921 



dvL = — 2".09 

 <^/i=— 0.318 



2f 2 



