598 Proceedings of the Royal Irish Academy. 
50. O. 2 400. Professor Hough gives — 
1887-709 : 122°-7 
0"-3 ±. Distance probably less 
than 0"-30" (.^.iV,, 2978). 
51. ^ Delphini. Other measures are- 
1886- 886 
1887- 553 
1887-747 
1890-49 
238°-12 
278 -52 
308 -1 
324 -2 
52. X Cygni = O. 413— 
1887-70 : 76°-0 
53. 4 Aquarii = ^ 2729— 
1886- 746 : 168°-3 
55. 8 Equuleii : — 
1887- 78 : 195°-2 
1889-824 
193 -1 
0"-22, Schiaparelli. 
0-36, Tarrant. 
0 -3 ±, Hough {A.N., 2978). 
0 '45, 'BxjLVioih.Q.m^privateleUer). 
0"-74, Hough {A.N'., 2978). 
0"-54, Leavenworth. 
0''-49, Hough {A.N., 2978). 
0 -2 ±, „ 
Professor Hough says: — ''The distance in 1889 is certainly less 
than 0"-3." 
56. T Cygni. Other measures are :- 
i 
1886- 887 
1887- 758 
1890-54 
57. ^ Aquarii — 
1886-791 
80° ± 
56 -4 
20 -5 
0''-5 ±, Hough. 
0 -4 ±, „ 
0 '54, Burnham (^nm^e 
147°-8 : 3"-54, Leavenworth. 
This measure seems to require a correction of 180°. 
