ERRATA. 
Page ii, line 1, omit Moulmein. 
iv, line 18, at 21 hours, for !•! read O-l. 
iv, line 22, at 21 hours, for 2-1 read I’l. 
iv, line 23, at 21 hours, for 0-52 read 0'27. 
iv, line 24, in the line of Oscillation, for T33, 1‘28, &c., and 
ii, line 15, in the line of Batavia, Spring, /or 1‘33, 1‘28, &c. read 
1-48, 1-43, 1-38, 1-55, 1-40, 0-58, 0 00, 0-15, 0-38, 0-80, 1-28, 178, 2-21, 2-25, 195, 1-60, 1-35, 1-08, 073 1-25 
vi, Une 11, at 21 hours, for 1'2 read 0'2. 
vi, line 15, at 21 hours, for TO read 0'9. 
vi, line 16, at 21 hours, for 0-47 read 0-22. 
vi, line 17, in the hne of Oscillation, for T50, 1'46, &c., and 
ii, line 32, in the line of Batavia, Spring, for 1'50, T46, &c. read 
1-60, 1-56, 1-40, 1-50, 1-38, 0'48, 0 00, 010, 0-60, 1-23, 1-93, 2-58, 3 13, 3-28, 3-06, 2-60, 2-36, 1-98, 1-50 1-68 
■ X andxi, line 1, for the sign (') read scale divisions. 
xl, last line but one at 21 hours, for !•! read O-l . 
