CONTENTS. 



INTRODUCTORY LETTER ..... 



SECTION I. 

 MAGNETIC DECLINATION, 1854 .... i 



SECTION II. 







OBSERVATIONS OF THE MAGNETIC INCLINATION, 1853, 1854, AND 1855 . 21 



SECTION III. 

 OBSERVATIONS OF MAGNETIC INTENSITY, 1854 AND 1855. 30 



