300 



A Twenty -first Memoir on the Law of Storms. [No. 4, 



" May Uh.— Brisk gale N. E. b. E with lightning in the S E. At 2. 30, 

 Bar. 29.60 ; 6 a. m. Wind E. b. N. Noon more moderate, with a heavy- 

 rolling sea. Lat. 16° 24' North ; Long. 83° 26' E. : Bar. 29.68. p. m. 

 wind E. b. N. gale increasing and a high sea running in all directions. 

 At lOh. 30' p. m. wind chopped to S. East. Midnight moderating. 



" May 5th. — A. m. strong breezes S. E. with a heavy sea from South ; 

 2 p. m. Bar. 29.70. Noon moderating Lat. 16° 41' North ; Long. 84° 18' 

 East. 



" Twelve native vessels (Brigs and Dhonies) were said to be missing, and 

 the Barometer on this day, 5th May at 5 p. m. is stated to have been at 

 29.53, the wind South and the sea much fallen." 



ft Extraordinary Observations of the Standard Barometer at Madras, 

 2nd and 4 th May, 1851. 







i 











O . 











o-o 











c o> 







<o 



o3 



p . « 



t- 



-d 



"5 

 Q 



a 



pq 





a 



Friday, 



A. M 







May 



h. m 









2nd, 



8 41 



29.808 



85.0 



N. E. 



1851. 



9 41 



790 



85.0 



North. 





51 



788 



85.0 







10 1 



792 



85.0 







11 



794 









21 



796 









31 



790 









41 



794 



85.5 



N. N. E. 





51 



790 









11 1 



786 









11 



790 









21 



796 









31 



800 



85 







41 



788 





East. 





51 



784 









1 



777 









11 



770 









21 



774 









31 



776 









41 



792 



83.0 



North. 





51 



796 









55 



I 1 



5 



11 

 21 

 31 



803 



782 

 761 

 758 

 746 

 734 









41 



730 





N. b. E. 





1 51 



730 









2 1 



732 









P. M- 











2 11 



728 









21 



723 









31 



720 











3 . 

 a v 







(U 



OJ 



3 ." 



%. 



-o 



Dat 



S 



■ys 









P. M. 









May 



h. m. 









2nd. 



41 

 51 

 3 1 

 11 

 21 

 31 



29.723 

 723 

 714 

 712 

 712 

 706 





N. b. E. 





41 



702 





N. N. W. 





51 



700 









4 1 



700 









11 



700 









21 



704 









31 



710 









41 



716 





N, b. E. 





51 



704 









5 1 



710 









11 



700 









21 



696 









31 



690 









41 



686 





N. b. W. 





51 



684 









6 1 



688 









11 



694 









21 



694 









31 



696 









41 



698 





N. b. W. 





51 



702 









7 1 



704 









11 



710 









21 



720 









31 



720 









41 



722 





N. b. W. 





51 



724 









8 1 



725 









11 



725 







