CORRIGENDA IN THIS VOLUME OF OBSERVATIONS FOR 1845 and 1846. 



Introduction, page xx., lines 9 and 10, substitute P for p and Q for q 



— xxi., line 5 from foot, /or termination, read termination, 



— xxi., line 3 from foot, for seconds, read seconds : 



— xxii., line 6, make the correction given below for 1844, Introd., p. xxii., line 11 



— xxvii., line 4 from foot, and p. xxviii., lines 2, 7, and 16, substitute P for p and Q for q 



— xli, heading of page, for Bifilar or Horizontal read Balance or Vertical 

 Page 25, 9* l*", column " Balance Corrected," /or 416-3 read 516'3 



— 39, 24<i 18", column " Bifilar Corrected," for 552-8 read 512-8 



— 51, 24* 10", column "Balance Corrected," /»'• 457-8 read 437-8 



— 58, 5<i 8", column " Balance Corrected," for 478-6 read 578-6 



— 59, 11* 22", column " Declination," for 18-93 read 08-93 



— 148, Id 23", column " Gott. M. T." for l* 23" read 1^ 23}" 



— 182, line 6 from foot, column " Gott. M. T.," for 5^ 0" read 6^ 0" 



— 312, line 1, 2d column, " Gott. Mean Time," /or 2* 2" O" read 5^ 2" O" 



— 312, „ „ " Balance Corrected," for 387-7 read 479-7 



— 316, 22'' 10", column " Balance Corrected," /or 372-1 read 266-1 



— 320, 26"! 10", column " Balance Corrected," /or 131-0 read 231-0 



— 322, 23d 10", column " Balance Corrected," /or 272-1 read 143-3 



CORRIGENDA IN THE VOLUME OP OBSERVATIONS FOR 1844. 



Introduction, page xiv., line 13, for * n read (1 + *) n 



— XX., lines 9, 10, and 13, substitute P tor p and Q for q 



— xxii., line 11, /or {1 + ^ (*o-fti) - 1 («o-«i)} '■««'^ {1-^ (*o-^) + ? ('o-'i)}* 



(This accidental error does not extend to the reductions which were performed by 

 the latter form.) 



— xxix, lines 10, 15, 20, and 29, substitute P for p and Q for q 



— xli., heading of page, for Bifilar or Horizontal read Balance or Vertical 

 Page 202, 20* 10", column " Wind. Force in 10"," /or 6-0 read 0-0 



— 235, 18d 22", column " Wind. Force in lO"," for 2-2 read 0-2 



CORRIGENDUM IN THE VOLUME FOR 1843. 



Introduction, page xlii., line 21, for X tan (w — S) read C X tan (m — S); C being a constant 



