204 EXPERIMENT STATION RECORD. 



the great irregularities of temperature will be equalized. Taking the 



io.s c 



I0 C 



9.5° 



8.5 



1400 



1200 



IQOQ 



800 



' 600 



400 



200 

 



10.5° 



10° 



9.5° 



8.5° 

 1400 

 1200 

 1000 

 800 

 600 

 400 



200 

 



1879 1880 '81 '82 '83 '84 '85 '86 '87 '88 "89 1890 '91 '92 '93 '94 '95 '96 

 Fig. 5. — Relation between annual temperature and sun spots. 



average of each couplet, the following figures will be obtained in regard 

 to temperature and sun spots : 



Relation between sun spots and temperature. 



If these figures are represented graphically they will give the diagram 

 in fig. 6. This data is submitted without comment to the judgment of 

 astronomers and meteorologists. Observations at Brussels, London, 

 Edinburgh, Berlin, Prague, Lyons, Bordeaux, Toulouse, Aries, Mar- 

 seilles, Perpignan, and Montpellier agree with the results at Paris, 

 while other European stations show contradictory results. The sun 



