104 BIOLOGICAL SOCIETY OF WASHHSTGTOlSr. 



Daniel Henry Barnes. 



The Rev. Daniel Henry Barnes, of the Baptist denomination, 

 was born in Canaan, N. Y., x^pril 25, 1785, and was killed by- 

 falling from a stage coach between Nassau and Troy, N. Y., 

 October 37, 1828. He graduated at Union College in 1809, and 

 took charge for three years of the classical school there, at a later 

 time. Afterward he was professor of languages in the Baptist 

 Theological Seminary, and in 1824 wa^ associate principal of the 

 New York High School for Boys, an institution he is said to have 

 originated and conducted with great ability. He declined calls 

 to the Presidency of Waterville College, Maine, and the Colum- 

 bian University, of Washington, D. C. He was a man of high 

 reputation for character and culture, and one of the chief pro- 

 moters of the New York Lyceum of Natural History, now the 

 New York Academy of Sciences. He assisted Webster in the 

 prepai-ation of his dictionary, and published several early papers 

 on the Unionidce and Chitons, of which he described several 

 forms, while others have been named in his honor by several 

 naturalists. 



Jacob Green. 



Another of the earliest contributors to molluscan literature in 

 America was Dr. Jacob Green, who was born July 26, 1790, 

 at Philadelphia, and died there February i, 1S41. He was the 

 son of Ashbel Green, President of Princeton College in 1812, and 

 grandson of the Revolutionary patriot, the Rev. Jacob Green, 

 who was President of the College of New Jersey in i757* Owx 

 conchologist graduated at the University of Pennsylvania in 1806, 

 was professor of chemistry and natural history at Princeton 1818- 

 22, and then pi'ofessor of chemistry in the Jeflerson Medical Col- 

 lege, of Philadelphia, until his death. While his contributions 

 to conchology were not numerous they were of a high order of 

 merit, and on other subjects, such as chemistry, paleontology 



