ON THE PEHIODICITY OF THE AURORA BOREALIS. 



261 



Hartford, Conn. Battle Creek, Mich. 1 

 Bangor, Maine. Amherst, Mass. Hartford. 

 Gettysburg, Lancaster, Perm. Bloomfield. 

 Emerald Grove, Wise. Smith. Eecords. 

 Wooster, Ohio. Battle Creek, Mich. 

 Bangor, Maine. Hartford, Conn. 1 

 Albion Mines, N. S. ? Lefroy. 

 Battle Creek, Mich. Smith. Eecords. 

 Albion Mines, N. S. Lefroy. 

 Emerald Grove, Wise. Smith. Eecords. 

 Lancaster, Penn. Smith. Eecords. 

 Wolf." 



Burlington, Vt. Manchester, Wellsboro, Pa. 1 

 Burlington, Vt. Smith. Eecords. 

 Lancaster, Wellsboro, etc., Penn. 

 Milwaukie and Emerald Grove, Wise. 1 

 Ship Constellation, Lt. 40° 58' N. Lg. 63 . 1 

 Albion Mines, N. S. Lefroy. 

 Whitehaven, England. Glaisher. 

 Burlington, Vt. Smith. Eecords. 

 Burlington, Vt. Smith. Eecords. 

 Bangui; Maine. Smith. Eecords. 

 Pohr Sea, Lat. 69° K Long. 137° W. 

 Fryeburg, Hampden, Maine. [Hooper. 

 Latimer, England. Glaisher. 

 Peel's River, Fort Hooper. Lefroy. 

 PeePs Elver, Fort Hooper. Lefroy. 

 Windham, Me. Amherst, Richmond, Mass. 

 Battle Creek, Michigan. Smith. Eecords. 

 Burlington, Vt. Smith. Eecords. 

 Album Mines, N. S. Lefroy. 

 Bangor, Windham, Maine. Burlington, Vt. 

 Richmond. Mass. Alleghany Co., Penn. 1 

 Bangor, Maine. Smith. Eecords. 

 Peel's River Fort. Lefroy. 

 Albion Mines, N. S. Lefroy. Amherst 

 BuckspoH, Maine. Burlington, Vt. 1 

 Erie, Gettysburg, Penn. Battle Creek. 

 Easton, Pen,/. Smith. Eecords. 

 Oldtoivn, Maine. Smith. Eecords. 

 Peel's River Fort. Lefroy. Burlington, Vt. 

 Concord, Dublin, Londonderry, N. H. 

 Manchester, Penn. Newark, Delaware. 1 

 Sto nyhu rst, En gla n d. Glaisher. 

 Peel's River Fort. Lefroy. Bangor, Me. 

 Concord and Londonderry, N. H. 1 

 Bangor, BuckspoH, Steuben, Windham, Me. 

 Montpelier, Burlington, Vt. Dublin, N. H. 



a Bull, de l'Acad. Brux. XVI. 



Mention, Richmond, Mass. 



Gettysburg, Penn. Charlotteville, Va. 1 



Peel's River. Lefroy. 



Bangor, Maine. Alleghany Co., Penn. 1 



Lima, Penn. Smith. Eecords. 



Albion Mines, N. S. Lefroy. 



Emerald Grove, Wise. Smith. Eecords. 



Freeport, Maine. Smith. Eecords. 



Fort Simpson ? Lefroy. 



Bangor, Fryeburg, Maine. Hartford. 



Burlington, Vt. Mendon, Mass. 1 



BattleCreek, 3Iich. Emerald Grove, Wise. 



Fort Simpson, Albion Mines. Lefroy. 



Windham, Maine. Dublin, N. H 



Richmond, Mass. Newark, Del. 



Middleloiun, Salisbury, Harford, Conn. 



Lima, Morrisville, Penn. Smith. Records. 



Fort Norman ? Lefroy. 



Cape Small Point, Me. Smith. Records. 



Middletown, Conn. Wellsboro, Penn. 



Cambridge, Stonyhurst, Engl. Glaisher. 



Fort Simpson. Lefroy. 



Montpelier, Vt. Brest, Michigan. 1 



Albion Mines, N. S. Lefroy. 



Montpelier, Vt. Richmond, Mass. 1 



Fort Simpson. Lefroy. 



Burlington, Montpelier, Vt. Battle Creek. 



Greenwich, Cardington, Engl. Glaisher. 



Lake Nipigon. Lefroy. 



Fort Norman? Lefroy. 



Fort Simpson. Lefroy. 



Fort Simpson. Michipicoton. Lefroy. 



BangoK, Maine. Burlington, Vt. 1 



Between Fort Norman and Bear Lake. 



Burlington, Vt. Smith. Eecords. 



Fort Norman ? Lefroy. 



Grand Rapids, Michigan. Smith. Eecords. 



Michipicoton. Lefroy. 



Mich ip icoton. Lefroy. 



Michipicoton. Lefroy. 



Albion Mines, N. S. Lefroy. 



Manchester, Penn. Mount Tabor, Ohio. 1 



Fort Simpson, Albioji Mines, N. S. Lefroy. 



Ship New York, Lt. 42° 41' N. Lg. 57 . 1 



Fort Simpson, Michipicoton. Lefroy. 



Bangor, Maine. Amherst, Mass. 1 



Hartford, Conn. Mt. Tabor, Ohio. 



Michipicoton. Lefroy. 



1 Smithsonian Records in Manuscript. 



