ERRATA IN THIS VOLUME OF OBSERVATIONS FOR 1843. 



Page xxxi., Introduction, /o?- 1-1223 read 1-1233 



— 14, June 22* 2'', Balance Magnetometer, for 645-6 read 641'6, and for 65-3 read 64-! 



— 18, Aug. 25d 22'', Declinometer, for 22-08 read 22-20 



— 25, Nov. 244 ISi, Bifilar Magnetometer, for 521-9 read 522-2 



— 25, Nov. 244 20'', Balance Magnetometer, for 838-2 read 837-4 



— 30, 14'' 0>°, Bifilar Reading, for 557-2 read 537-2 



— 41, 9'' 0>», Balance Reading, for 80-63 read 806-3 



— 44, 19'' S-n, Bifilar Reading, for 815-1 read 515-1 



— 44, 18'' lO"-, Declination Reading, /or 15-54 riad 17-56 



— 46, 14i> SO-", Bifilar Reading, for 217-2 read 517-2 



— 54, Mar. 7* 7'' 53"', Balance Reading, /or 004-1 read 1004-1 



— 54, Mar. 7'' 8'' 13'=, Balance Reading, /or 1976-7 read 976-7 



— 54, Mar. 12* 1^ 15™, Balance Minute of Observation, place 15 before 1070-0 



— 67, July 25* 10'' 23"', Balance Reading, /or 826-6 read 626-6 



— 73, first line of figures, 8th column, for Dec. 28'' 2'' read Dec. 28* 3'' 



— 86, Jan. 4*, col. Max. and Min., for 26-5 read 34-0 ? 



— 146, July 21<i,8'', col. Diff., for 3-1 read 29 



— 170, Oct. 8* 18'', col. Barometer, for 30-229 read 29-229 



ERRATA IN THE VOLUME OF OBSERVATIONS FOR 1841 AND 1842. 



Page XV., Introduction, 6th line from foot, delete between 



— XX., lines 8 and 2 from foot, for A read A' 



— XX., last line, after A add = 180° — A' 



— XXXV., last line but one for 2° 30' read 1 2° 30' 



— 137, Table III., dekte 25° below Range. 



