CONTENTS. 



Introductory Letter .......... v 



SECTION I. 

 Magnetic Declination, 1854 ......... 1 



SECTION II. 



Observations of the Magnetic Inclination, 1853, 1854, and 1855 . . . .27 



SECTION III. 



Observations of Magnetic Intensity, 1854 and 1855. . . . . .39 



