Meteorological Table. 337 
lowering the pole, this luminous appearance gradually di- 
minished and disappeared. On raising it again, the light 
reappeared. May 13th, 14, 16th, 20th, 2Ist, and 31st, 
frosts : do. June 12th and 17th: do. August 25th and 26th, 
October 5th, 11th. 35 m. A. M. shock of an earthquake : 
continuance four or five seconds. Three swells or undula- 
tions, were distinctly felt. Objects suspended, vibrated sev~ — 
eral degrees. 
1818. From March 2ist to May 17th, (58 days) oaly 
thirteen days are recorded as clear : on almost every other 
day there was rain or snow. May 8th and June 6th, aurora 
borealis. July 29th a parhelion was visible on each hand 
of the sun. July 11th, 13th, 14th, 15th and 16th, smoky. 
Sept. 3d and 26th, aurora borealis. This appearance is 
becoming more frequent than formerly. October 25th, 
26th, 27th, 29h, 30th, 31st, Nov. Ist, 2d, 4th, Lith, 12th, 
and 23d, smoky. A succession of smoky days generally 
occur at this season of the year, and is here called the Indian 
mer. 
