178 THE POLAR WORLD. 



which cost him his health, and the best part of his energies— he longed to 

 breathe the air of his native country. But neither th§ pleasures of home, nor 

 a professorship at the University of Helsingfors, richly earned by almost super- 

 human exertions, were able to arrest the germs of disease, which journeys such 

 as these could scarcely fail to plant even in his originally robust constitution. 

 After lingering some years, he died in 1855, universally lamented by his coun- 

 trymen, who justly mourned his early death as a national loss. 



