ON THE PERIODICITY OF THE AURORA BOREALIS. 



289 



*Oct. 9. 



* " 10. 

 " 13. 

 " 18. 

 " 18. 

 " 19. 

 " 26. 



* " 27. 



* " 29. 



* " 30. 

 *Nov. 7. 



« 10. 



'< 10. 



" 13. 



" 15. 



" 19. 

 *Dec. 4. 



* " 4. 

 " 22. 



* « 24. 

 " 29. 



Christiania. Fearnley. Heis. 



Toronto. Kingston. 



Christiania. Fearnley. 



Toronto. Kingston. 



Christiania. Fearnley. 



Christiania. Fearnley. 



Toronto. Kingston. 



Toronto. Kingston. 



Christiania. Fearnley. 



Toronto. Kingston. 



Toronto. Kingston. 



Toronto. Kingston. 



Christiania. Fearnley. 



Christiania. Fearnley. 



Toronto. Kingston. 



Christiania. Fearnley. Ileis. 



Gaesdonck bei Goch. Ileis. 1 



Munsler, Jung-Bunzlau, Bohemia. Ileis. 



Toronto. Kingston. 



Toronto. Kingston. Christiania. Fearnley. 



Christiania. Fearnley. 



Heis. 



Heis. 



Heis. 



Ileis. 

 Ileis. 



1859. 



*Jan. 1. Havre. Ileis. 2 



* " 9. Isle Jesus. Smallwood. 



* " 10. Isle Jesus. Smallwood. 



* " 11. Isle Jesus. Smallwood. 



* " 11. Christiania. Fearnley. 

 " 15. Christiania. Fearnley. 



" 22. Helston, Engl. Glaisher. 

 " 23. Rose Hill, Engl. Glaisher. 



* " 28. Christiania. Fearnley. 

 ♦Feb. 1. Isle Jesus. Smallwood. 



" 6. Isle Jesus. Smallwood. 



* " 9. Toronto. Kingston. 



* " 9. Many places in England. Glaisher. 



* " 22. Isle Jesus. Smallwood. 



* '• 22. Many places in England. Glaisher. 



* " 22. Christiania. Fearnley. 



* " 23. Christiania. Fearnley. 



* " 23. Rendsburg, Hamburg. Heis. 



* " 23. Naugard, Prague. Ileis. 



* " 23. Copenhagen,. D' Arrest. Dorpat. Ballot. 8 



1 Wochensclirift fur Astronomie etc. Neue Folge, Jahrgang 

 II. 30, &c. 



2 Havre was put into painful agitation on New Year's even- 

 ing by the cry of fire. The heavens glowed with a fiery red 

 color. The whole fire department turned out and found for- 

 tunately nothing to extinguish but an aurora. — Wochemchtifi 

 fur Astronomie, II. 40 



3 Nederlandsch Meteorologisch Jaarboek, 1869, p. 388. 

 VOL X. 37 



Many places in England. Glaisher. 

 Toronto. Kingston. 

 Isle Jesus. Smallwood. 

 Chnstiania. Fearnley. 

 Many pilaces in England. Glaisher. 

 Dorpat. Miidler. Ballot. Ileis. 

 Isle Jesus. Smallwood. 

 Nottingham, Stonyhurst, Engl. Glaisher. 

 Dorpat. Miidler. Ballot. Ileis. 

 Clifton, Manchester, Engl. Glaisher. 

 Dorpat. Miidler. Ballot. Heis. 

 Christiania. Fearnley. 

 Toronto. Kingston. 

 Toronto. Kingston. 

 Isle Jesus. Smallwood. 

 Isle Jesus. Smallwood. 

 Rose Hill, Engl. Glaisher. 

 Christiania. Fearnley. 

 Christiania. Fearnley. 

 Isle Jesus. Smallwood. 

 Toronto. Kingston. 

 Isle Jesus. Smallwood. 

 Toronto. Kingston. 

 Toronto. Kingston. 

 Christiania. Fearnley. 

 St. Paul's Parsonage, Engl. Glaisher. 

 Christiania. Fearnley. 

 Toronto. Kingston. 

 Christiania. Fearnley. 

 Many places in England. Glaisher. 

 Isle Jesus. Smallwood. 

 Nottingliam, Hawarden, Engl. Glaisher. 

 ^Toronto. Kingston. 

 Hawarden, Engl. Glaisher. 

 Toronto. Kingston. 

 Isle Jesus. Smallwood. 

 Many places in England. Glaisher. 

 Christiania. Fearnley. 

 Toronto. Kingston. 

 Isle Jesus. Smallwood. 

 St. Paxil's Parsonage, Engl. Glaisher. 

 Christiania. Fearnley. 

 Isle Jesus. Smallwood. 

 England. Glaisher. 

 Isle Jesus. Smallwood. 

 Christiania. Fearnley. 

 Isle Jesus. Smallwood. 

 Toronto. Kingston. 

 Toronto. Kingston. 

 Tate Jesus. Smallwood 



