CANADIAN LONGITUDES. 463 



Toronto, 21st January, ISSY. 

 The place of observation was the Magnetic Observatory. 



H. m. s. 



By the signals sent from Quebec, Toronto is west of Quebec 32 44.51 



By the signals from Toronto, " " " 32 44. 31 



difference of longitude 32 44. 41 



Longitude of Quebec 4 44 49 . 02 



Longitude of Toronto Magnetic Observatory 5 IT 33. 43 



Kingston, 28th February, 185*7. 

 The place of observation was the new Court-house. 



IT. m. s. 



By the signals sent from Quebec, Kingston is west of Quebec 21 05.60 



By the signals from Kingston, " " " 2105.39 



Mean difference of longitude 21 05 .50 



Longitude of Quebec 4 44 49.02 



Longitude of Kingston 5 6 54.52 



Montreal, 12th March, 185V. 



The place of observation was in Vigor Square, 650 feet west of Capt. Bayfield's 

 station on Gate Island. 



H. m, s. 



By the signals sent from Quebec, Montreal is west of Quebec 9 23 .01 



By the signals sent from Montreal, " *' " 9 22.38 



Mean difference of longitude 9 22.70 



Jjongitude of Quebec , 4 44 49 . 02 



Longitude of Montreal 4 54 11 .78 



Chicago, 15th May, 1857. 



The place of observation was in the play-ground of the School situated to the 

 northward of the Roman Catholic Church, Huron Street. 



If, m, s. 



By the signals sent from Quebec, Chicago is west of Quebec 1 5 41 .44 



By the signals sent from Chicago, " " " 15 41.60 



Mean difference of longitude 1 5 41.52 



Longitude of Quebec 4 44 49 . 02 



Longitude of Chicago 5 50 30 . 54 



