298 
the date only is mentioned. 
he adds a short and comprehensive description. 
On the Aurora Borealis in Summer. 
given in ‘the Julian or old style.” 
1728. Feb. 26. 
Mch. 22. 
23. 
July 2. 
4. 
‘17. 
22. 
Aug. 18. 
20: 
Oct. 1. 
14, 
15. 
De 
1729. 
1730. 
1731. 
1732. 
1733. 
Jan. 18. 
Feb. 7. 
Feb. 2. 
Mch. 21. 
June 27. 
July 10. 
Slight. 
Slight. 
Very great: corona.* 
Slight. 
Slight. 
Unusual: slight. 
Slight. 
Slight. 
Very great. 
Great: 
Slight. 
Slight. 
Great. 
Very great. 
Slight. 
Slight. 
Great. 
Slight. 
Bright. 
Slight. 
Very great. 
Slight. 
Slight. 
Very great. 
Slight. 
Slight. 
Slight. 
Slight. 
Slight. 
Very great. 
Great. 
1733. Sept. 
Oct. 
Nov. 
1734. 
Sept. 
Aug. 
Oct. 
Feb. 
1735. 
1736. 
Aug. 
Sept. 
Oct. 
Noy. 
1737. 
1738. 
Apl. 
1739. Feb. 
Mch. 
8. 
29. 
27. 
27. 
29. 
May 14. 
15. 
). 
20. 
In some of the more important cases, 
The dates are 
Great. 
Slight. 
Great. 
Great. 
Slight. 
Slight. 
Slight. 
Great. 
Slight. 
Great: 
Slight. 
Slight. - 
Narrow zone fr. £. to w. 
corona. 
Slight. 
Slight. 
Slight. 
Greater than 7th. 
Great and variegated. 
Slight. 
Very gr’t: corona : fiery. 
do. do. do. 
Slight. 
Great. Uncertain. 
Great. 
Slight. 
Great. 
Great. 
Great: corona: fiery. 
Great: corona. 
Great: fiery. 
* The description of this case would apply very well to the display of July 1, 
1837, as seen here. 
“ Permagnum observavi Lumen Boreale, cujus Radii lucidi 
at non colorati, vibrantes, terminari videbantur in coruscante quasi Umbella, 
paulo ultra Zenith.” Vol. 1. p. 12. 
