A careful revision of the former communication on Double 
Stars, Phil. Trans. 1824. iii. has led to the detection (among 1 
several errata of trifling importance), to the following of a graver 
character, which the reader of that paper is earnestly requested 
to correct in his Copy. 
Page, &c. 
Error. 
Correction. 
124 
. .Near 54 Cancri. . 
2l6 
32C 
337 
337 twice and in Tndex, Star No. 301 . 
y/^y * * 
2 C. 87 I . , 
338 
. . ,Z — — 1.44. . . 
355 
. . .Z — -f- 0 . 12. . . 
r 
72 0 co' 
167 and in Tndex No. iia < 
72 CA. 
72 C 4 . 
7 44 I 
72 C 2 
101 and in Index No. 79 
i 6".988 
323 twice and in Index No. 287 
Index No. 105 
Index No. 110 in Column of Decl 
Index No. 278 
*278 
Index No. 222 
Mean mot. — 2°.i3 
Mean mot. + 2°.I3 
Errata to be corrected in the present Memoir. 
Page 209, for “ between 36 and 38,” read north following 36. 
353 > f or “ 1825.252,” read 1825.52. 
vi. (Index) H. and S. 74; for -f- o°.oo9,” read + o°.io9. 
viii. (Index) S. 600; Re-exam, add in col, of Remarks, the word “ Binary.” 
From the Press of 
W. NICOL, 
Cleveland-row, St, Jaynes's. 
