( 583 ) 



TABLE II. 



Temperatures at heights from to 16 kilometer for clear weather. 



observations was not great enough for a reliable determination of 

 this difference. Lastly 1 remark that the various balloon ascents have 

 been made from different stations, Halde (in Danemarkj, Berlin, Paris, 

 Strasbourg and Vienna and consequently the given values do not 

 hold for one definite place, but for the mean of the area enclosed 

 by those stations. 



After I had derived the temperatures given in table II, I got notice 

 of two papers, treating of about the same subject, namely: .1. Hann, 

 Ueber die Temperaturabnahme mit der Höhe bis zu 10 Km. nach 

 den Ergebnissen der internationalen Ballonaufstiege. Sitzungsberichte 

 der mathematiseh-naturwissenschaftlichen Klasse di'v K. K. Akademie 

 der Wissenschaften Wien. Band 93, Abth. Ila, S. 571 ; and S. 



