ERRATA IN THIS VOLUME OF OBSERVATIONS FOR 1843. 
Page xxxi., Introduction, for 11223 read 11238 
— 14, June 224 2h, Balance Magnetometer, for 645°6 read 641°6, and for 65°3 read 64:8 
— 18, Aug. 254 22h, Declinometer, for 22:08 read 22°20 
— 25, Nov. 244 18», Bifilar Magnetometer, for 521'9 read 522-2 
— 25, Nov. 244 20, Balance Magnetometer, for 838:2 read 8374 
— 30, 145 0, Bifilar Reading, for 557:2 read 537-2 
— 41, 9" 0m, Balance Reading, for 80°63 read 806-3 
— 44, 195 5m, Bifilar Reading, for 815-1 read 515-1 
— 44,18 10™, Declination Reading, for 15°54 réad 17°56 
— 46, 145 30™, Bifilar Reading, for 217°2 read 517-2 
— 54, Mar. 74 7» 53m, Balance Reading, for 004:1 read 1004'1 
— 654, Mar. 74 85 13™, Balance Reading, for 1976°7 read 976°7 
— 54, Mar. 124 75 15™, Balance Minute of Observation, place 15 before 1070-0 
— 67, July 254 104 23m, Balance Reading, for 826-6 read 626-6 
— 73, first line of figures, 8th column, for Dec. 284 2 read Dec. 284 3» 
— 86, Jan. 44, col. Max. and Min., for 26°5 read 34:0? 
— 146, July 214/84, col. Diff., for 3-1 read 2'9 
— 170, Oct. 84 184, 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, a lines 8 and 2 from foot, for A read A’ 
— Xxx, —— last line, after A add = 180° — A’ 
— xxxv., —— _ last line but one for 2° 30’ read 12° 30° 
— 137, Table III., delete 25° below Range. 
