1844.] 



in southern India, 



Observations of the Dip of the Needle taken at different stations 

 in southern India during the Months of December 1843, and 

 January 1844. 



Place. 



Tranquebar. 

 Mean Dip z° 40' 0' 



Portnova. 

 Lat. 11°. 29'. N. 

 Long. 73°. 48'. E. 

 Mean Dip 3° 41 ' 0' 



Pondicherry, 

 Lat. 11°. 54'. N. 

 Long, 79°. 54'. E. 

 Mean Dip 5 U 5' 8' 



ss . 



-sQ ft 



1843. 

 Dec. 

 29th. 

 10$ A. m. 



81°. 



11^ A. M. 



81°. 5 



30th. 



1844. 

 Jan. 

 2nd. 

 2i P. M 



87*. 



Poles Direct. 



Read- 

 ings. 



3. 4 



3. 53 



3. 59 



3. 26 



3.35. 5 



0. 6 



0. 37 



1. 4 

 0. 4 



0.27.75 



2. 19 



3. 15 

 3. 19 

 2. 41 



2.53. 



3. 51 



4. 25 

 4. 16 

 3. 47 



4. 4.75 



1. 4 



1. 27 



1. 47 



0. 53 



1.17,75 



4. 20 



4. 30 



5. in 



4. 20 



4 35. 0 



4. 51 

 6. 11 

 6. 4 



5. £0 



5.39. 0 



Read- 



ings, 



3. 7 



3. 47 



4. 2 

 3. 20 



3.34. 0 



0. 1 



0. 41 



0. 56 



0. 6 



0.26. 0 



2. 21 



3. 10 

 3. 20 

 2. 36 



2.51. 5 



3. 48 



4. 24 

 4. 14 

 3. 48 



4. 3. 5 



0. 55 



1. 31 

 1. 40 

 0. 54 



1.15. 0 



4.33.75 



4. 54 

 6. 4 

 6. 5 



5. 25 



Poles Reversed. 



Read- 

 ings. 



1. 12 



2. 30 

 2. 1 

 1. 34 



1.49.25 



4. 38 



4. 44 



4. 57 



4. 49 



4.47. 0 



3. 57 



4. 31 

 4. 44 

 3. 58 



4.17. 5 



2. 55 



3. 44 

 3. 46 

 2. 46 



5.17.75 



5. 32 



6. 23 

 6. 31 



-5. 44 



6. 2. 5 



2. 7 



3. 52 

 3. 3 



2. 59 



3. 0.25 



4. 18 



5. 12 

 4. 25 

 4. 17 



5.37 . 0 4.33 . 0 



Read- 

 ings. 



1. 17 



2. 27 



30 



Dip. 



1.50. 0 



4. 35 



4. 36 



4. 54 



4. 56 



4.45.25 



4. 1 



4. 29 



4. 50 



3. 56 



4.19. 0 



2. 55 



3. 46 

 3. 44 

 2. 49 



2°. 42'. 19 



2°. 



50 



3°. 35'. 37 



3.18. 5 3°. 41'. 12 



5. 28 



6. 29 

 6. 27 

 5. 51 



6. 3.75 



2. 



14 



3. 



49 



3. 



9 



2. 



53 



3. 



2. 0 



4. 



25 



5. 



8 



4. 



33 



4. 



16 



3°. 39'. 75 



3°. 47'. 75 



4.35. 5 5°. 6'. 12 



*<s as 



MS 



