288 



ON 



THE PERIODICITY OF THE AURORA 130REALIS. 



*Jan. 



1858. 

 1. Christiania. Fearnley. 



Heis. 



■V,\, 



* 

 # 

 * 

 * 

 * 

 # 

 * 

 # 

 # 

 * 

 # 



" 3. Toronto. Kingston. 

 " 8. Toronto. Kingston. 

 " 8. lnsel Ousel. Ralir. Dorpat. 

 " 10. Christiania. Fearnley. 1 

 " 13. Christiania. Fearnley. 

 " 15. Christiania. Fearnley. 

 " 16. Christiania. Fearnley. 

 2. Christiania. Fearnley. 

 8. Christiania. Fearnley. 



10. Christiania. Fearnley. 



12. Toronto. Kingston. 



14. Toronto. Kingston. 



14. Christiania. Fearnley. 



15. Toronto. Kingston. 



15. Christian in. Fearnley. 



16. Toronto. Kingston, lnsel Oesel. Ralir. 



16. Christiania. Fearnley. 



17. Toronto. Kingston. 



17. Christiania. Fearnley. 



18. Toronto. Kingston. 

 ♦March 1. lnsel Oesel. Rahr. 



" 1. Christiania. Fearnley. 

 " 2. Toronto. Kingston. 

 " 12. Toronto. Kingston. 

 " 13. Insd Orsel. Ralir. 

 " 14. lnsel Oesel. Rahr. 

 " 15. Christiania. Fearnley. 

 " 17. Toronto. Kingston. 

 " 17. Christiania. Fearnley. 

 " 18. Toronto. Kingston. 

 April 1. Base HUl, En;//. Glaisher. 

 " 4. Christiania. Fearnley. 

 " 9. Toronto. Kingston. lnsel Oesel. Ralir. 

 " 9. Man;/ places in England. Glaisher. 

 " 9. Skive, North Jutland, Dresden. Heis. 

 9. Gottingen, Naugard. Heis. 

 9. Christiania. Fearnley. Minister. Heis. 



10. Toronto. Kingston. 



10. Many places in England. Glaisher. 



10. Christiania. Fearnley. 



11. Clifton. Glaisher. lnsel Oesel. Rahr. 



12. Silloth. Glaisher. Christiania. Fearnley. 

 14. Toronto. Kingston. 



* " 14. Christiania. Fearnley. 



* " 15. Toronto. Kingston. 



1 Light over the firmament. Doubtful whether it was an 

 aurora. 



April 



May 



# 

 * 

 * 



June 



July 



Au j 



21. Paris. Raillanl. Heis. 

 24. Fai rlight. Engl. Glaisher. 

 29. Clifton, Engl. Glaisher. 



1. Toronto. Kingston. lnsel Oesel. Rahr. 



2. Clifton, Engl. Glaisher. 



6. Clifton, Engl. Glaisher. 



7. Toronto. Kingston. 



7. Clifton, Oxford, Engl. Glaisher. 



8. Toronto. Kingston. Clifton. Glaisher. 

 '.). Toronto. Kingston. 



10. Clifton, Engl. Glaisher. 

 21. Toronto. Kingston. 



3. Toronto. Kingston. 



6. Oxford, Engl. Glaisher. 



7. Toronto. Kingston. 

 18. Toronto. Kingston. 

 23. Toronto. Kingston. 



4. Toronto. Kingston. 



5. Toronto. Kingston. 



6. Toronto. Kingston. 



12. Toronto. Kingston. 

 15. Toronto. Kingston. 



13. Toronto. Kingston. 



15. Toronto. Kingston. 



16. Toronto. Kingston. 



21. Christiania. Fearnley. 

 25. Toronto. Kingston. 

 25. Christiania. Fearnley. 



Heis. 



