ON THE PERIODICITY OF THE AURORA BOREALIS. 



263 



Thomaston, Elaine. Smith. Records. 

 Lima, Morristown, Pa. Smith. Records. 

 Stonyhurst, Nottingham*, Engl. Glaisher. 

 Fort Simp)son; Lake Nipigon. Lefroy. 

 Michipicoton, Montreal. Lefroy. 

 Halifax, Albion Mines. Lefroy. 

 JFinJsor, Hartford, Conn. Smith. Rec. 

 Albion, Chautauque, Fort Porter, N. Y. 

 Seneca Falls. Smith. Records. 

 Stonyhurst, Greenwich, Engl. Glaisher. 

 Halifax. Lefroy. 

 Southwick. Smith. Records. 

 Fort Simpson, St. Johns. Lefroy. 

 Michipicoton, Lake Nipigon. Lefroy. 

 Chautauque, N. Y. Smith. Records. 

 Lake Nipigon, Michipicoton. Lefroy. 

 St. Johns, Toronto ? Montreal. Lefroy. 

 Halifax, Albion Mines. Lefroy. 

 Steuben, Thomaston, Me. Smith. Rec. 

 Burlington, Vt. Smith. Records. 

 Fort Porter, N. Y. Smith. Records. 

 Fort Porter, N. Y. Smith. Records. 

 Fort Porter, N. Y. Smith. Records. 

 Toronto. Lefroy. 



Fort Porter, Somerville, N. Y. Smith. R. 

 Lima, Penn. Smith Records. 

 Somerville, Penn. ' Smith. Records. 

 Pose Hill, near Oxford, Engl. Glaisher. 

 Stone, Engl. Glaisher. 

 Leeds, Stone, Engl. Glaisher. 

 Windham, Maine. Smith. Records. 

 Lake Nipigon, Montreal. Lefroy. 

 Toronto, Halifax, St. Johns. Lefroy. 

 Londonderry, N H. Steuben, Maine. 

 Southwick, Amherst, JIass. Smith. Rec. 

 Hartford, Windsor, Conn. Smith. Rec. 

 Lima, Gettysburg, Pa. Smith. Records. 

 Albion Mines, Toronto, Halifax. Lefroy. 

 Hartford, Conn. Smith. Records. 

 Whitehaven, Engl. Glaisher. 

 Michipicoton, Kingston. Lefroy. 

 Toronto, London. Lefroy. 

 Quebec, Montreal. Lefroy. 

 Biddeford, Oldtown, Patten, &c. Maine. 

 Dublin, Concord, Londonderry, N. H. 

 Burlington, Montpelier, Brattleboro, Vt. 

 Richmond, Amherst, Mass. 

 Litchfield, Salisbury, Conn. 

 Albion, N. Y. Bloomfield, N. J. 



*April 6. Jlorrisville, Freeport, Lancaster, 

 * " 6. Manchester, Pittsburg, Burlington, 



Gettysburg, Lima, Alleghany Co., Penn. 



Battle Creek, Burr Oak, Detroit, Mich. 



Milwaukie, Wise. Augusta, Illinois. 1 



Durham, England. Glaisher. 



Lake Nipigon, Michipicoton. Lefroy. 



Quebec, Montreal, London. Lefroy. 



Halifax, Albion Mines. Lefroy. 



Thomaston, Biddeford, Bucksport, 



Oldtown, 3faine. Londonderry, N. H. 



Montpelier, Burlington, Vt. 



Amherst, Richmond, Southwick, Mass. 



Litchfield, Salisbury, Conn. 



Burlington, Penn. Bloomfield, N. J. 



Battle Creek, Mich. Smith Records. 



Lake Nipigon, Michipicoton. Lefroy. 



Montreal, Toronto. Lefroy. 



'Bucksport, Oldtown, Maine. 



Whithead, Thomaston, Maine. 



Lima, Penn. Milicaukie, Wise. 



Battle Creek, Detroit, Mich. Smith. Rec. 



Lake Nipigon, Toronto. Lefroy. 



Lake Nipigon, Michipicoton. Lefroy. 



Montreal, Albion Mines. Lefroy. 



London, Halifax. Lefroy. 



Ogdensburg, N. Y. Smith. .Records 



Lake Nipigon. Lefroy. 



Lake Nipigon, Kingston. Lefroy. 



Mirhipicoton, Montreal. Lefroy. 



London, Toronto, St. Johns. Lefroy. 



Burlington, Vt. Smith. Records. 



Thomaston, Maine. Smith. Records. 



Lake Nipigon, Michipicoton. Lefroy. 



Montpelier, Vt. Eastern, Penn. Lefrov 



Easton, Penn. Lefroy. 



Easton, Penn. Smith. Records. 



Kingston. Lefroy. 



Halifax. Lefroy. 



Somerville, N. Y. Smith. Records. 



Lima, Penn. Smith. Records. 



Michipicoton, Quebec. Lefroy. 



Easton, Penn. Smith. Records. 



Fort Porter, N Y. Smith. Records. 



Bear Lake? Lefroy. 



Albion Mines, N S. Lefroy. 



Ship Edgar, Lat. 46° 58'. Long. 63° 50'. 1 



1 Smithsonian Records in Manuscript. 



