28 



LIEUT.. COLONEL SABINE ON TERRESTRIAL MAGNETISM. 



Table X. — General Table of the Results of Captain Belcher's Magnetic Observations 

 on the West Coast of America, and the adjacent Islands. The longitudes in this 

 Table are east of Greenwich ; the declinations east ; the values of the horizontal 

 intensity are expressed relatively to 1000 at Panama; and the total intensities, 

 relatively to 1'372 at London. 



Station. 



Date. 



Latitude. 



Longitude. 



Declination. 



Inclination. 



Intensity. 



Horizontal. Total 



Remarks. 



Port Etches . . . 



Kodiack , 



Sitka 



Sitka , 



Baker's Bay . . . . 

 Fort Vancouver . . 

 Port Bodega . . . , 

 San Francisco . , 

 San Francisco . . 



Monterey 



S*^ Barbara . . . . 



San Pedro 



San Diego 



San Quentin . . . . 

 San Bartholomew 

 Magdalena Bay . . 

 Mazatlan . . . , . . 

 San Lucas Bay . . 



San Bias 



San Bias 



Oahu Island . . . . 

 Oahu Island . . . . 

 Socorro Island . . 

 Clarion Island . . 



Acapulco 



Realejo 



Panama 



Magnetic Island. . 

 Cocos Island .... 

 Cocos Island . . . . 

 Puna Island . . . . 

 Martins Island , . 



Callao 



Bow Island 



1837 

 1839 

 1837 

 1839 

 1839 

 1839 

 1839 

 1837 

 1839 

 1839 

 1839 

 1839 

 1839 

 1839 

 1839 

 1839 

 1839 

 1839 

 1837 

 1839 

 1837 

 1839 

 1839 

 1839 

 1838 

 1838 

 1837 

 1837 

 1838 

 1839 

 1838 

 1840 

 1838 

 1840 



+ 60 



+ 57 

 + 57 

 + 57 

 46 

 + 45 

 + 38 

 + 37 

 + 37 



+ 36 36 



+ 34 



+ 33 



+ 32 



+ 30 



+ 27 



+ 24 



+ 23 



+ 22 



+ 21 



+ 21 



+ 21 



+ 21 



+ 18 



+ 18 



+ 16 50 



+ 12 28 



+ 8 37 

 8 04 

 5 53 

 5 53 

 2 47 

 8 56 



— 12 04 

 18 05 



213 19 

 207 09 

 224 34 

 224 38 



235 58 

 237 24 



236 58 



237 37 



237 37 



238 07 



240 19 



241 45 



242 47 



244 02 



245 07 

 247 53 



253 36 

 250 07 



254 44 

 254 44 

 202 00 

 202 00 

 249 06 

 245 19 

 260 05 

 272 48 

 280 31 

 278 15 

 272 58 

 272 58 

 280 05 

 220 20 

 282 52 

 219 07 



31 



26 

 27 

 29 

 19 

 19 

 15 

 15 

 15 

 14 

 13 

 13 



10 

 9 

 9 



8 



8 



9 



10 



38-5 

 43-5 

 42-0 

 32-5 

 11-0 

 22-0 

 20-0 

 20-0 

 20-0 

 13-0 

 28-0 

 08-5 



12 20-6 



12 06 

 46 

 15 

 24 

 37-5 

 34 

 00 

 39-5 



8 23 

 7 53-5 



7 37-5 



8 24 



8 56 



+ 7§ 

 + 72 

 + 75 

 + 75 

 + 69 

 ■i-69 

 + 62 

 + 61 

 + 62 

 + 61 

 + 58 

 + 58 

 + 57 

 + 54 

 + 51 

 + 46 

 + 46 

 + 45 

 + 45 

 + 44 

 + 41 

 + 41 

 + 40 

 + 37 

 + 37 

 + 34 

 + 31 

 + 31 

 + 23 

 + 22 

 + 9 



- 14 



- 6 



- 30 



02-9 



42-9 



51-5 



49-1 



26-9 



22*2 



53-4 



53-8 



05-8 



03-6 



54-1 



21-4 



06-1 



29-9 



41-0 



34-0 



38-5 



39-3 



24-3 



32-5 



35-1 



16-8 



43-7 



03-0 



57-4 



36-9 



51-9 



11-9 



33-2 



55-7 



08 



06-0 



14-3 



16-0 



411 

 470 



412 

 569 

 576 

 703 



711 

 731 

 765 

 766 

 794 

 837 

 876 

 924 

 928 

 937 



958 



841 



977 



962 



1024 



1000 



1022 



998 

 980 

 950 

 957 



1-728 

 1-603 



1-704 

 1-643 

 1-657 

 1-563 



1-540 

 1-531 

 1-501 

 1-480 

 1-482 

 1-461 

 1-432 

 1-362 

 1-370 

 1-359 



1-362 



1-134 

 1-307 

 1-222 

 1-316 



1-193 



1-125 

 1-024 

 1-024 

 0-968 

 1-123 



Palm Island. 

 Beach. 



The declination was observed by Captain Belcher at Socorro, Clarion, Martin, and Bow Islands, but the 

 record of the observations has not yet been sent home : an early opportunity will be taken of supplying this 

 deficiency in the Table when the observations shall have been received. 



