MAGNETIC OBSERVATIONS MADE AT PANAMA. 



Observations for Total Magnetic Intensity. 



Instrument, Fox magnetic circle, made by W George. Stand, strong wooden tripod, free from iron. 

 Magnetic Meridian, on limb north, 4° 20' ; south, 4° 30' ; mean, 4° 25'. Face of instrument, west. Hour 

 of commencing observations, 11''.15. Hour of ending observations, IP. 35. 



Observations for Magnetic Inclination. 



Needle A. — Station, Panama, under a shed, upon the glacis just beyond the ditch, about 300 feet outside 

 the western gate of the city. Instrument, Fo.x magnetic circle, made by W. George. Observer, A. VV. 

 Whipple. Latitude, North, 8° 57' 12". Longitude, 79° 29' 24".5 west of Greenwich. Face of Instrument , 

 north, needle perpendicular, reading of azimuth circle, 15° 18'. Face of Instrument, south, needle perpen- 

 dicular, reading of azimuth circle, 15° 12'. Reading of azimuth circle, when the vertical circle was in the 

 magnetic meridian, 15° 15'. Date, March 21st, 1849. Weather, clear. 



Magnetic inclination of needle A, 31° 38'. 2. 



