326 PIONEERS OF SCIENCE IN AMERICA. 



The museum in the Vermont State House contains about 

 three thousand specimens collected by Prof. Thompson. He 

 was one of the most reliable correspondents of the Smith- 

 sonian Institution, and corresponded also with many of the 

 leading naturalists both at home and abroad. His achieve- 

 ments won him a medal from the French Exposition of 1855. 



