6 Benjamin Silliman, 
public. From 1840 to 1848 inclusive, he gave four successive 
courses of the “ Lowell Lectures” in Boston. Besides various 
other engagements in the Northern and Eastern states, he went 
in 1847 by invitation to New Orleans, and on his way appeared 
before crowded audiences in other cities of the South; and five 
_ after the resignation of his professorship in college, wheu 
e had passed his 75th year, he made the long journey to St. 
Louis, in obedience toa call for a course of lectures from the 
citizens of that place. 
In lecturing, his language was simple—his flow of words easy, 
generous and appropriate—his style animated, abounding in life- 
like and well-adorned description, often eloquent, and sometimes 
varied with anecdote running occasionally into wide digressions. 
is manner was natural, and every feature spoke as well as his 
mouth; his noble countenance and commanding figure (he was 
nearly six feet in height, with a well-built frame) often call 
forth, as he entered the lecture hall, the involuntary applause of 
his audience. 
house and his laboratory were always open to receive them, 
and if a friendly word or letter from him could advance their 
interests, he was ever ready to bestow it. He also felt a deep 
concern for the advancement of scientific investigations in every 
~~ of the country, and whenever, in halls of legislation, or 
fore the public, the name of Benjamin Silliman would ad- 
vance a useful project, it was not withheld. In more than one 
instance, the foreigner, or the exile, remem! is kindness 
Prof. Silliman’s scientific publications, apart from his contri- 
butions to this journal, were chiefly text-books. He edited 
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