( 286 ) 

 TABLE II. 



Batavia 

 Mean Time. 



Differences. 



7a.m, 



8a. m 



9a.m. 



1'.07 O' 57 



10 

 a. m. 



O'.OO 



11 

 a. m. 



0'.47 



Noon 



0'.46 



lp.m. 2p.m 



3p.m.;4p.m öp.m 



1'.20 1'.50 2'.03 2'.56 3'.04 



The decrease' of the dip from 7 a. m. to 10 a. m. and the 

 increase from 10 a. in. to 5 p. m are pretty regular ; the only 

 irregularity is shown by the difierence obtained for noon. 



Table III contains the second set of observations. 



TABLE III. 



Batavia 

 Mean Time. 



10 a. m. 



4 p. m. 



10 p. m. 



August 26. . . 

 August 29. . . 

 September 1. . 

 September 4 . 

 September 8 . 

 September 12. 

 September 15 . 

 September 18 . 

 September 21 . 

 September 25 

 September 29. 

 October 7 . . . 

 October 9 . . . 

 October 14 . . 

 October 20 . . 

 October 22 . . 

 October 23 . . 

 October 27 . . 

 October 29 . . 

 October 30 . 

 November 3 . 

 Hourly Means 



27° 18'.39 

 27° 18'.65 

 27° 22'. 24 

 27° 19'.52 

 27° 19'.82 

 27° 18'.14 

 27° 20'.44 

 27° 21M2 

 27° 23'.21 

 27° 19'.98 

 27° 20'.43 

 27° 21'.25 

 27° 21 '.98 

 27° 20'.33 

 27° 22'. 33 

 27° 18'.04 

 27° 23M8 

 27° 20'.08 

 27° 18'.01 

 27° 14'.41 

 27° 18'.88 

 27° 20'.02 



27° 20'.04 

 27 21'.24 

 27° 23'. 18 

 27° 22'.78 

 27° 22'.55 

 27° 21'.56 

 27° )9'.18 

 27° 22'.73 

 27 ü 27'.22 

 27° 22'. 21 

 27° 25'.67 

 27° 23\98 

 27° 24'.65 

 27° 24'. 47 

 27° 25'.07 

 27° 21'.76 

 27° 27\24 

 27 u 27'.43 

 27° 19'.62 

 27° 22'.10 

 27° 23'.39 

 27° 23'. 19 



27° 21'.76 

 27° 21'.02 

 27° 22'.96 

 27° 22'.39. 

 27° 23'.48 

 27° 22'.24 

 27° 25'20 

 27° 22'.94 

 27° 27'.39 

 27° 22'.14 

 27° 24'.74 

 27° 23'.93 

 27° 24'.19 

 27° 26'.20 

 27° 22M7 

 27° 24'.73 

 27° 25M0 

 27° 20' 68 

 27° 21'.22 

 27° 23'.04 

 27° 19'11 

 27° 23M7 



