* 674 Meteorological Observations: 
1797. January, 22. Feb. 1, 18, 27 and 28, 
March 2and10. April, 24. Nov. 18, 24, 
22 and 23. Dec. 20.—Total, 13+ 
1798. None observed, | 
1799. September, 3. Octo. 25.—Total, 2. 
1800. March, 18, Nov. 2and 7. Dec. 10.—+ 
Toral, 4. 
1801. January, 43nd 25. Feb. 22. Aug. 182 
Octo. 6.—Total, 5. 
In all, 32. ud: 
The Aurore have been much less frequent in 
the above period than for the same number of 
years before. 
1 observed 53 of them in 1788. 
All the phenomena corroborated the notion 
maintained in my Essays abovementioned; namely, 
that the luminous beams of the Aurore are cy- 
lindrical, magnetic, parallel to each other and 
to the dipping needle. The centre of each 
Aurora uniformly appeared to be in the magnetic 
north, 
