Terrestrial Magnetism with Observation 



281 



Table IV. 



VARIATION. 



DIP. 



INTENSITY. 



PLACES. 



Prairie duChien, 



Madison, 



Campbell's, 



Blue Mounds, 



Hickok's, 



Mineral Point, 



PlattevilJe, 



Turkey river, 

 little Slahoqueta, 



Dubuque, 



Galena, 



herwood's, 

 N. branch Mahoq. 



Whitewater, 

 Mahoqueta, 

 Parmer's Creek, 

 Small mill, 

 Iron Ore, 

 Chicago, 



Wapsipinnicon, 

 Lost Grove, 



Davenport, 

 Peru, 



Pekin, 



Copperas Creek, 

 Montrose, 



Marion, 



Louisiana, 



Bunker Hill, 



Monticello, 



L*Pper Alton. 

 Alton, 



Edwardsville, 

 *incennes, 

 8t. Louis, 

 fcoli, 



Princeton, 

 J^w Harmony, 

 ^mVernon, 



Gauss. 



6 54 



7 3 

 7 9 

 7 15 

 7 22 

 7 41 

 7 50 

 7 41 

 7 36 

 7 31 

 7 44 

 7 52 

 7 45 

 7 55 

 7 37 

 758 



7 46 



6 3 



7 39 

 7 31 



7 36 



6 57 



7 15 

 7 21 



7 35 



736 

 7 54 

 7 27 

 7 33 

 7 32 

 7 33 

 728 



6 21 



7 33 



5 50 



6 23 

 6 32 



-6 33 



Loom is. 



-9 13* 



7 38* 



8 56* 

 8 46* 

 8 31 

 8 48* 



8 52 



9 8* 

 8 38* 



8 30* 



9 33* 

 9 8* 



9 43* 

 918* 



8 53* 



9 16* 

 915* 



8 28* 



6 35 

 8 30* 

 818* 

 8 21* 



7 32 

 7 43 



7 49 



8 16 

 8 9 



824 



7 43 



7 49 



7 48 



7 54* 



7 45 

 629 



8 44* 



5 51 

 629 



6 39 

 _6 40 



Ditf. I (iauss. 



+120 

 44 

 153 

 137 



116 

 126 



111 



118 

 57 

 54 

 2 2 

 124 

 151 

 133 

 058 



139 

 117 

 042 



7°4 

 74 

 74 

 74 

 74 

 74 

 74 

 74 

 73 

 73 

 73 

 73 

 73 

 73 

 73 

 73 

 73 

 73 

 32 73 



18-0 



Loomis. Dili'. |(;.-iiire. (lbs. 



051 

 47 

 045 

 35 



26 

 26 



041 

 33 

 30 



016 

 016 

 OK) 

 021 

 017 



8 

 111 

 1 

 6 



7 



+0 7 70 



30-5 



26-8 



24 6 



217 



14-8 

 60 

 1-3 



54-6 



54 



54-5 



50-7 



456 



433 



37-6 



41-272 



28-9 72 



24-4 72 



460 72 



o 

 73 



73 



73 

 73 

 73 

 73 

 73 

 73 

 73 

 73 

 72 



72 

 72 

 72 



73 

 73 

 73 

 73 

 72 

 72 

 72 

 71 



71 

 71 

 70 

 70 

 70 

 70 

 71 

 70 

 71 

 70 

 70 



184 



72 



16 2 72 



51 

 103 

 265 



207 



8-1 

 38-2 



150 



65 



587 



57-2 

 56-2 

 54-8 



72 



72 

 71 

 71 



70 

 70 

 69 

 69 

 69 

 69 



69 



30 7 

 41 1 



37-7 



35-6 

 327 

 24-8 

 15-5 



111 



23 



12 

 1-2 



578 

 524 



491 

 433 

 458 

 33-2 

 268 

 431 

 18-9 

 147 



30 

 60 



168 



107 

 57-4 

 23-8 

 59- 

 47-7 

 39-7 

 381 



/ 



+47-31 7283 1-7606 

 49-4 1-727! 1 18117 

 49-1 1-7272 

 490 1-7266 1 784 1 



49-0 

 500 



50-5 

 50-2 

 523 



52-8 



53-2 

 54-2 

 543 



1-7266 

 1 -7258 

 1-7250 

 1-7249 



172361-7644 

 1-7233 1-7672 

 1-7232 



53-3 



52 91-7231 



1-722G 



17631 



1-7221 1-77! »1 

 172161-7659 



55-41-721". 

 55-71-7205 



57-6 

 62-9 

 59 5 

 61-5 

 621 



643 



69-7 

 70 

 70-7 

 74-4 



75-2 



1-7194 



1 7880 

 1-7642! 



1-7976 



171-3 

 1-71821 7772 



1-7172 1-7707 

 1-7160 l-769'» 

 1-7153 

 I 



78-8 1-6962 



370 

 343 



7 2 69 43-3 





1-70-.". 

 1 70711 

 1-702(1 

 1-6988 



41-3 



85 

 49-7 

 368 

 26-4 



69 



69 

 69 



68 



20-7 



426 



241 

 106 



59 



790 

 791 



79 2 



80 5 

 83-9 



806 



35-9 



85 6 



86-2J 



1-6951 



I 6948 



1-6947 



16950 

 1-69291 

 1-6919 1-7482 

 1-6914 

 1 



6898 



16881 



+87- l|l -6862 



I) iff. 



00523 

 00838 



0573 



1-7656 00398 



I 7617 







pect 



Prom the zeal which is now manifested in re 

 Nervations, we may expect that in a few years the errors of 

 Gauss's theory for every part of the globe will be pretty well 

 k nown ; when it is to be hoped the illustrious author will resume 

 foe discussion, and give to his theory the greatest perfection of 

 *hich it is capable. 





