268 



ON THE PERIODICITY OF THE AURORA BOREALIS. 



Athabasca, Fort Good Hope. Lefroy. 



Moose Factory, Quebec. Lefroy. 



Fredericton, Halifax. Lefroy. 



Lake Athabasca. Lefroy. 



Hartford, Conn. Smith. Records. 



Fort Good Hope, Peel's River. Smith. Rec 



Fort Confidence, Fort Good Hope. Lefroy. 



Martin's Falls, Peel's River. Lefroy. 



Fort Confidence, Athabasca. Lefroy. 



Fort Confidence. Lefroy. 



Peel's River, 3Ioose Factory. Lefroy. 



Fort Confidence. Lefroy. 



Somerville, N. Y. Smith. Records. 



Manchester, Alleghany, Pa. Smith. Rec. 



Fort Confidence. Lefroy. 



Lake Athabasca. Lefroy. 



Moose Factory, Martin's Falls. Lefroy. 



Michi]ricoto7i. Lefroy. 



Fort Confidence. Lefroy. 



Moose Factor)/, Martin's Falls. Lefroy. 



La l;a Athabasca. Lefroy. 



Fort Confidence, Lake Athabasca. Lefroy. 



Moose Factory. Lefroy. 



Fort Confidence, Peel's River. Lefroy. 



I.ciris and Petty, Moose Factory. Lefroy. 



Lake Athabasca. Lefroy. 



Fort Confidence. Lefroy. 



Lake Athabasca. Lefroy. 



Fort Confidence. Lefroy. 



Moose Factory, 3Iartin's Falls. Lefroy. 



Neivfoundland , Sitka ? Lefroy. 



Moose Factory. Lefroy. 



Moose Factory. Lefroy. 



Lake Athabasca, Moose Factory. Lefroy. 



Newfoundland. Lefroy. 



Fort Confidenre, Peel's River. Lefroy. 



Moose Factory, Lake Athabasca. Lefroy. 



Lake Athabasca, Peel's River. Lefroy. 



Lewis and Pelly, Quebec. Lefroy. 



Fort Confidence, Lake Athabasca. Lefroy. 



Fort Confidence, Peel's River. Lefroy. 



Lake Athabasca, Halifax. Lefroy. 



Concord, N. II. Smith. Records. 



Fort Confidence, Lake Athabasca. Lefroy. 



Martin's Falls, Lewis and Pelly. Lefroy. 



Michipicoton, Quebec. Lefroy. 



Newfoundland. Lefroy. 



Fort Confidence. Lefroy. 



*Dec. 28. Lake Athabasca, Martin's Falls. Lefroy. 



* " 28. Halifax, Fredericton. Lefroy. 



* " 29. Lake Athabasca. Lefroy. 



* " 29. Peel's River, Moose Factory. Lefroy. 

 30. Lake Athabasca. ■ Lefroy. 

 30. Martin's Falls, Peel's River. Lefroy. 



30. Moose Factory, Quebec. Lefroy. 



31. Fort Confidence, Lake Athabasca. Lefroy. 

 31. Moose Factory, Peels River. Lefroy. 



1851. 



Fort Confidence, Martin's Falls. Lefroy. 



Lake Athabasca, Moose Factory. Lefroy. 

 Harvard, a, Engl. Glaisher. 



Fort Confidence, Moose, Factory. Lefroy. 



Lake Athabasca, Wlrfin's Falls. Lefroy. 



Fort Confidence, Moose Factory. Lefroy. 

 Lewis and Petty, Martin's Falls. Lefro}-. 



Lefroy. 



Lefroy. 



Fort Confidence, Peel's River. 

 Lake Athabasca. Lefroy. 

 Lima, /'run. Smith. Records. 

 Hawarden, Engl. Glaisher. 

 Fort Confidence, Moose Factory. 

 Lake Athabasca. Lefroy. 

 Highfield' House, Engl. 1 Glaisher, 

 Lake Athabasca. Lefroy. 

 Lake Athabasca. Lefroy. 

 Lima, l'enn. Smith. Records. 

 /', i I's Hirer. Lefroy. » 



Lake Athabasca. Lefroy. 

 Peel's River. Lefroy. 

 Lake Athabasca. Lefroy. 

 Albion .Wines, Lewis and Pelly. 

 Quebec, Newfoundland. Lefroy, 

 Fredericton, Halifax. Lefroy. 

 Fort Confidence, Moose Factory. 

 Lake Athabasca, Albion Mines. 

 Lake Athabasca, Yoncou. Lefroy. 

 Lewis and Petty, Halifax. Lefroy. 1 

 Newfoundland, Fredericton. Lefroy. 

 Atileboro', Mass. Smith. Records. 

 Lewis and Pelly, Yoncou. Lefroy. 

 Moose Factory. Lefroy. 

 Lake Athabasca, Yoncou. Lefroy. 

 Peel's River, Moose Factory. Lefroy. 

 Quebec, Albion Mines. Lefroy. 

 Halifax, Fredericton. Lefroy. t 



1 Near Nottingham. 



Lefroy. 



Lefroy. 

 Lefroy. 



