LATER YEARS 107 



mother tongue, expressing himself in clear and 

 forceful language. His writings show the clear thinker 

 and the well-stored head. His researches embrace a 

 wide range in chemical science, and in analytical, 

 technical, and agricultural chemistry are marked by 

 high attainment. He was not a writer of books, yet 

 in total amount of production, if not in variety and 

 depth of interest, he may fairly be compared with 

 Noah Webster and President Hitchcock, unquestion- 

 ably the two most fertile writers Amherst has known. 

 His first contribution to chemical science appeared in 

 1853, and thereafter an uninterrupted series of con- 

 tributions to chemistry flowed from his pen for fifty- 

 four years. They remain an enduring monument to 

 their author. 



