xvi Proceedings of Royal Society of Edinburgh. 
leaders of scientific thought in the century which is hastening to a 
close. 
Personally Prof. Dana was one of the most amiable and genial 
of men, beloved by his friends, admired and venerated by his 
pupils. He leaves behind him a reputation of which his fellow- 
countrymen may well be proud — a reputation which continued to 
increase up to the very close of his long and fruitful life. 
