MAGNETICAL OBSERVATIONS IN THE WEST INDIES, ETC. 



Table I. 

 Containing" the Dip as observed at different places. 



345 



Dates. 



Places. 



Lat. 



Long. 



Dip. 



Remarks. 



1834, 



1833. July 20 and 29. 

 Jan. 4. 

 Mar. 3. 

 11. 

 April 2. 



9. 

 May 27. 

 June 11. 



16. 

 July 11. 



11. 

 Aug. 1. 

 Sept. 11. 



12. 



18. 



18. 



19. 



30. 

 Oct. 6. 

 Feb. 6. 

 April 30. 

 May 11. 

 June 5. 

 July 14. 



26. 



27. 

 1. 

 5. 



16. 



16. 

 Jan. 5. 

 Feb. 6. 

 April 11. 

 May 30. 

 July 26. 



26. 

 June 7« 



29. 

 Oct. 6. 



1835. 



1836. 



1837. 



Near London 



» 

 Plymouth . . . , 



Halifax. . 

 Bermuda 



j> 

 Jamaica 



Nicaragua 



» 

 Chagres . 



Jamaica 



Alta Vela . 

 Antigua . 

 Barbadoes 

 Para 



Oct. 



Maranham 



Barbadoes . . . . 



Bermuda 



City of Caraccas 



Demerara 



Para 



» 



Halifax 



Plymouth 



Near London . . 



51 26 N. 



50 22 

 50 20 



44 39 



32 18 



17 55 



10 58 



9 20 



» 



17 55 



17 28 

 17 3 

 13 5 



1 26 S. 



2 30 



13 5 

 32 18 



1 26 



44 39 



50 20 



51 26 



18 W. 

 4 9 



5) 



4 7 



63 37 



64 50 



76 50 



j> 



83 43 



jj 

 80 1 



>> 

 76 50 



71 39 

 61 50 

 59 37 

 48 30 



44 18 



59 37 

 64 50 



48 30 



63 37 



4 7 

 18 



69 52 



70 17 

 69 58 

 69 56 

 69 44 

 69 41 

 75 33 

 67 46 

 67 44 

 47 



47 

 47 

 34 

 34 



32 



32 31 



32 23 



46 49 



47 6 



47 38 



48 46 

 43 45 



23 59 



24 20 

 23 56 

 23 56 

 23 23 

 23 30 

 23 29 

 23 39 

 43 28 

 67 17 

 37 16 



33 56 

 23 31 

 23 19 

 74 57 

 69 38 

 69 25 



38 

 42 



2 

 20 

 54 

 10 



1 

 21 

 12 

 42 



7 

 41 

 54 

 42 



4 



5 

 26 

 16 

 40 

 32 

 15 

 56 

 35 

 50 

 52 



8 



3 

 37 

 54 

 41 

 45 

 42 

 25 

 27 

 40 





 52 

 32 

 12 



Observations made at Ham, near London. 

 Observations made at the same place. 

 At the Athenaeum. • 



On the Breakwater (in the centre). 



At the Observatory in the Dockyard. 

 In the Dockyard. 



On the Point at Port Royal. 



Point Arenas. 



Castle of St. Lorenzo (on the platform). 



Port Royal Point. 



At the Fort in English Harbour. 

 Engineers' Wharf, Shot-hall, Carlisle Bay. 

 At the Consul's house (in the garden). 



On Point Francisco. 



The same place as before. 

 In the Governor's garden. 



In the Dockyard (at the observatory) . 

 Breakwater (in the centre). 

 At Ham, near Loudon. 



Note. — The dips and vibrations were for the greater part repeated by Mr. Byeon Dkury, Midshipman of 

 the Racehorse, at the same times that the above observations were made. 



MDCCCXXXVIII. 



2 Y 



