270 



ON THE PERIODICITY OF THE AURORA BOREALIS. 



MorrisviUe, &c, Pa. Bloomfietd, N. J. 



Sandy Spring, Md. Smith. Records. 



Detroit,Brest,BattleCreek,Mich . Smith. R. 



Emerald Grove, Beloit, Wise. Smith. R. 



Milwaukie, Taber, Wise. Smith. Records. 



GreenCastle, Ind. Augusta, 111. Smith. Rec. 



At Sea, Ship Marmion, Lt. 40° 30'. Lg. 67°. 



Smithsonian .Records. [23' W. 



Grantham, Stone, Engl. Glaisher. 



Fort Confidence, Martin's Fails. Lefroy. 



Halifax, Abian Mines. Lefroy. 



Newfoundland. Lefroy. 



HurltngtoiijVt. Somerville, X. Y. Smith. R. 



Hawarden, Durham, lhtnino. Glaisher. 



PeeVs River, Leivis and Pelhj. Li-fmy. 



Martin's Falls, Moose Factory. Lefroy. 



Michipicoton. Lefroy. 



Hartford, Conn. Smith. Records. 



Hawarden, Engl. Glaisher. 



Fort Confidence, PeePs River. Lefroy. 



/. wis and Petty, Moose Factory, Lefroy. 



Lake Athabasca. Lefroy. 



Lake Athabasca, Yoncou. Lefroy. 



PeeVs River, Kingston. Lefroy. 



Fort Confidence, Peel's River. Lefroy. 



Lake Athabasca, Leu-is and Petty. Lefroy. 



Durham, Engl. Glaisher. 



Fort Confidence, Peel's River. Lefroy. 



Lake Athabasca, Lewis and Petty. Lefroy. 



Moose Factory, Martin's Falls. Lefroy. 



Hawarden, Engl. Glaisher. 



Fort Confidence. Lefroy. 



PeeVs River, Lake Athabasca. Lefroy. 



Moose Factory, Montreal. Lefroy. 



Burlington,Vt. Ogdensburg,N. V. Smith.R. 



Fo>t Confidence, Lake Athabasca. Lefroy. 



Hartford, Conn. Smith. Records. 



Fort Confidence. Lefroy. 



Lewis and Pelhj, Moose Factor//. Lefroy. 



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



Kenosha, Wise. Smith. Records. 



Lake Athabasca, Peel's River. Lefroy. 



Leivis and Petty, Moose Factory. Lefroy. 



Michipicoton, Martin's Falls. Lefroy. 



Yoncou, Toronto, London. Lefroy. 



Quebec, Newfoundland. Lefroy. 



Chautauque, Houseville, N. Y. Smith. Rec. 



Emerald Grove, Aztalan, Wise Smith .Rec. 



Greencastle, Indiana. Smith. Records. 



Fort Confidence, Lake Athabasca. Lefroy. 



Leu-is and Petty, Moose Factory. Lefroy. 



Martin's Falls, Albion Mines. Lefroy. 



Fort Confidence, Peel's River. Lefroy. 



Lewis and Felly, Moose Factory. Lefroy. 



Matawagomingen, Martin's Falls. Lefroy. 



Michipicoton, Lake Athabasca. Lefroy. 



Halifax, Kingston, Toronto. Lefroy. 



Newfoundland, Albion Mines. Lefroy. 



Lake Athabasca, Peel's River, Moose Fac. 



Martin's Falls. Lefroy. 



Alleghany Co., Penn. Smith. Records. 



Lake Athabasca, Moose Factory. Lefroj . 



Luke Athabasca. Lefroy. 



Lalce Athabasca. Lefroy. 



Leivis and Pelhj, PeeSs River. Lefroy. 



Lima, Penn. Smith. Records. 



Fort ( 'onfidence, Moose Factory. Lefroy. 



Martin's Fills. Quebec, Lefroy. 



Kingston, Toronto, London. Lefroy. 



Newfoundland. Lefroy. 



Ogdensburg, N. Y. Smith. Reeonl-. 



Stone, llartircll Rectory,, Engl. Glaishej 



Moose Factory. Lefroy. 



Stone, Engl. Glaisher. 



Fort Confidence. Lefroy, 



Perl's Hirer, Mi'ise Factory. Lefroy. 



Martin's Falls, Halifax. Lefroy. 



Montreal, London. Lefroy. 



Newfoundland. Lefroy. 



Alleghany Co., Penn. Smith. Records. 



North Shields, Engl. Glaisher. 



Fort Confidence, Laiee Athabasca. Lefroy. 



Lewis, and Petty, Moose Factory. Lefroy. 



Michipicoton, Martin's Falls. Lefroy. 



Neufoundland, Yoncou. Lefroy. 



Lala Athabasca, Moose Factory. Lefroy. 



At Sea, Barque Mason Barney, Lt. 13° 46'. 



Smithsonian Reeoids. \_Long. 53° 43'. 



Lake Athabasca. Montreal. Lefroy. 



Kingston, Halifax. Lefroy. 



Mail eiil. X. Y. Smith. Records. 



Durham, Engl. Glaisher. 



Lake Athabasca. Lefroy. 



Newfoundland. Lefroy. 



Halifax. Lefroy. 



Lake Athabasca. Lefroy. 



