:892.J 



BUSINESS PROCEEDINGS. 



employing for this purpose the blank space following the table. Note 



ESPECIALLY THE TIME AND ZENITH DISTANCE OF ALL PROMINENT FEA- 

 TURES. Return to M. A. Veeder, Lyons, New York, U. S. A. 



A UR OR A S SEEN D URING THE MONTH OF 189 . 



DESCRIPTIONS. 



Lyons, New York, L^. S. A., i8g 



Dej^ Sir : — If unable to make the records provided for in the accom- 

 panying blanks, you will confer a favor by handing them, together with this 

 circular, to some one who may be able so to do. Even a single observation 

 each evening properly recorded will be of service. More blanks may be 

 obtained from the undersigned if desired. 



In order to determine the local distribution and altitude of the aurora, it 

 is desirable to have numerous observers suitably distributed throughout the 

 area covered by the observations so as to secure as full information as possible 

 as to the extent to which an aurora was present or absent during each hour. 

 In case that an aurora is not reported from any given locality it is necessary 

 to have the means of determining whether this failure was due to lack of 

 observation, or to cloudiness, etc., or whether the aurora was really absent. 

 For this reason it is desirable that there be as few blanks as possible in the 

 table, although even the most fragmentary record may become of importance 

 for purposes of comparison with others. The results already obtained warrant 

 the belief that by concerted effort information of practical value may be 



