172 



humboldt's cuba. 



are completely clouded are extremely rare in Cuba : 

 we give from our diary the mean of our observations 

 for each month : 





Cloudy 

 days. 



Clear and par- 

 tially cloudy days. 





5 



26 



February 



, ... 8 



20 





7 



24 





, 5 



25 



May 



... 8 



23 





6 



24 





.. 6 



25 



August 



6 



25 





7 



23 



October 



. .• 7 



24 



November. 



. • • • 8 



22 





7 



24 



Total 



80 



285 



" These tables will give some idea of the beauty 

 of the sky in these regions, and of its effect upon the 

 life and luxuriant growth of vegetation. A high 

 temperature, moderated by great evaporation, which 

 pours through the atmosphere a continuous torrent of 

 watery vapors, presents the most favorable conditions 

 for the development of an admirable vegetation; 

 which again contributes, on its part, to maintain the 

 humidity of the atmosphere — soul of its exuberant life. 

 Thus it is that through all seasons of the year the 



