5G RECORD OF AURORAL PHENOMENA. 



clear, with a light bank of clouds on the horizon at south and west ; weather very mild. About 

 llh. p. m., a bright and extensive Aurora displayed itself, in the 'falling drapery form,' spread- 

 ing from S. E. in a broad path, and passing about 20° west of zenith to west; the weather also 

 became colder. 

 22d. A very beautiful day, but much colder than it has been of late. The evening very fine and 

 cold. An Aurora visible at midnight, similar in position and appearance to that seen last night." 

 —Ibid., pp. 171-72. 



April, 1850. 



"2d. At lOli. p. m., a bright Aurora visible from east to west. 



3d. At llh. p. m., a fine Aurora from E. by N. to W. by N. ; centre about 70° altitude. 



4th. At lOh. 30m. p. m., a firm but not brilliant Aurora visible, in parallel arcs, from E. N. E. to 

 N. N. E. ; centre of highest about 25°. 



Cth. At llh. 30ra. p.m., calm and very mild. From east up to the zenith a fine Aurora dis- 

 played, spread out above like a 'sea anemone.' 



I have generally found the weather calm when the Aurora is thus shown in the zenith. 



8th. An Aurora at lOh. p. m., similar to that of the 6th. 



28th. At 9h. 30m. p. m., there were a few beautiful patches of Aurora to the eastward, colored 

 pale yellowish-green, like the autumnal tint of the fading leaf. 



30th. At lOh. 30m., a very faint ray of Aurora, of a pale green hue, extended from the visible 

 horizon at east, towards the zenith, to about 40° of altitude." — Ibid., p. 173. 



At Sea.— Lat. G5° N. Long. 63° W. September 28, 1818. Robertson. 



"At llh. p. m., observed the Aurora very brilliant from S. by E. to S. by W. It first appeared 

 from behind a cloud at the altitude of 5°, shining with a silvery light; shortly after darting up 

 small bundles of rays to the altitude of 16°. 

 There was no appearance of the Aurora in any other part of the heavens. Weather calm and 

 clear at first appearance ; a breeze soon sprung up from west, which shifted to S. W. Moderate 

 weather." — 1 John Ross (Robertson), App. 121. 



N. B. — 1. At llh. p. m., very brilliant. 



2. First appearance from behind a cloud. 



3. No appearance of Aurora in any other part of the heavens. 



4. Weather calm and clear. 



At Sea.— Lat. 65° N. Long. 63° W. September 29, 1818. Robertson. 



"At ten in the evening, the Aurora was seen very brilliant from S. W. to S. E., true bearings, 

 shooting rays to the altitude of 15°. In the morning of the 30th, the Aurora was spread all 

 over the heavens. 

 Strong breezes from westward with clear weather, continuing to blow fresh from that quarter till 

 past noon." — 1 John Ross (Robertson), App. 121. 



N. B. — 1. At lOh. p. m., very brilliant. 



2. A. M. 30th, spread all over the heavens. 



3. Strong breezes from west; clear weather. 



Fort Franklin.— Lat. 65° 12' N. Long. 123° 12' W. December, 1825. Franklin. 



"The length of our shortest day did not exceed five hours, but the long nights were enlivened by 

 most brilliant moonlight, and we had frequent and very fine appearances of the Aurora Borealis 



