282 



ON THE PERIODICITY OF THE AURORA BOREALIS. 



Jan. 



At Sea, Ship Plymouth Bock, Lat. 53° N. 

 Smithsonian Records. [Long. 34° TV- 



Fort Simpson, Fort Resolution. Lefroy. 

 Peel's River. Lefroy. Grantham. Glaisher. 

 Fort Simpson, PeeVs River. Lefroy. 

 Between Fort R. and Athabasca. Lefroy. 

 Fort Simpson, Peel's River. Lefroy. 

 Quebec, Toronto. Lefroy. 

 Between Fort R. and Athabasca. Lefroy. 

 Fort Simpson, Sturgeon River. Lefroy. 

 Between Fort R. and Athabasca. Lefroy. 

 At Sea, Ship Plymouth Rock, Lat. 51° N. 

 Fort George. Lefroy. [Long. 41° IF. 



Between Fort R. and Athabasca. Lefroy. 

 Between Fort R. and Athabasca. Lefroy. 

 Quebec. Lefroy. Stone, Engl. Glaisher. 

 Between Fort R. and Athabasca. Lefroy. 

 Peel's River, Fort George. Lefroy. 

 Between Fort R. and Athabasca. Lefroy. 

 Peel's River. Lefroy. 

 Fort Simpson. Lefroy. 

 Fort Simpson, Fort George. Lefroy. 

 Chipeivyan. Lefroy. 

 Fort George, Quebec. Lefroy, 

 Chipewyan, Toronto. Lefroy. 

 Fort Simpson, Fort Chipewyan. Lefroy. 

 Quebec, Sturgeon River. Lefroy. 

 Fort George, Fort Simpson. Lefroy. 

 Fort Chipewyan. Lefroy. 

 Fort George, Fort Chipewyan. Lefroy 



1853. 



1. Fort Simpson, PeeVs River. Lefroy. 



2. Peel's River, Fort George, H. B. T. Lefroy. 



3. Peel's River, Fort George. Lefroy. 



4. Fort Simpson, Peel's River. Lefroy. 



4. Hawarden, Engl. Glaisher. 



5. Fort Si 'mps'ui , Peel's River. Lefroy. 

 5. Fort George. Lefroy. 



5. Hawarden, Stone, Engl. Glaisher. 



6. Fort Simpson, PeeVs River. Lefroy. 



6. Fort George, Toronto. Lefroy. 



7. Peel's River, Fort George. Lefroy. 



7. At Sea, Lt. 42 3 2oN. Lg. 68° 58' W. * 

 7. Clifton, Rose Hill, Oxford. Glaisher. 



7. Stonyhurst, Dunino. Glaisher. 



8. PeeVs River, Fort George, Quebec. Lefroy. 

 8. Stonyhurst, Engl. Glaisher. 



PeeVs River. Lefroy. 



PeeVs River, Fort Simpson. Lefroy. 



Isle a la Crosse, Quebec. Lefroy. 



Peel's River, Fort George. Lefroy. 



Sturgeon River. Lefroy. 



PeeVs River, Fort George. Lefroy. 



Sturgeon River. Lefroy. 



PeeVs River, Fort Simpson. Lefroy. 



Quebec, Sturgeon River. Lefroy. 



Fort Simpson, PeeVs River. Lefroy. 



PeeVs River. Lefroy. Clifton,Engl. Glaisher. 



Fort Simpson, PeeVs River. Lefroy. 



PeeVs River. Lefroy. 



Isle a la Crosse. Lefroy. 



Fort George. Lefroy. 



Fort SimiJson, Isle a la Crosse. Lefroy. 



Fort Simpson. Lefroy. 



Fort Simpson, Quebec. Lefroy. 



En mute to Carleton, H. B. T. Lefroy. 



Fort Simpson. Lefroy. 



PeeVs River. Lefroy. 



J-urt Simpson, PeeVs River. Lefroy. 



En route to Carlton, II. B. T. Lefroy. 



PeeVs River, Fort George. . Lefroy. 



FortSimpson,PeeVsRiver , Toronto. Lefroy. 



Fort Simpson. Lefroy. 



Durham, Grantham, Engl. Glaisher. 



Peel's River, Quebec. Lefroy. 



Sturgeon Ricer, Toronto. Lefroy. 



Peel's River. Lefroy. 



Peel's River, Fort George. Lefroy. 



En route for Swan River. Lefroy. 



Fmi Simpson, PeeVs River. Lefroy. 



PeeVs River, Fort George. Lefroy. 



Fort Simpson, Sturgeon River. Lefroy. 



Fort Simpson. Lefroy. 



Fort Simpson, Peel's River. Lefroy. 



Peel's River, En route for Swan River. Le. 



Fort Simpson, En route for Swan River.T,e. 



Peel's River, En route for Swan River.lie. 



Quebec, Sturgeon River, Toronto. Lefroy. 



PeeVs River. Lefroy. 



Fort Simpson, Peel's River. Lefroy. 



Kingston. Lefroy. Toronto. Kingston. 



Fort Simpson, Peel's River. Lefroy. 



Quebec, Sturgeon River. Lefroy. 



En route for Swan River. Lefroy. 



Kingston. Lefroy. Toronto. Kingston. 



