222 PIONEERS OF SCIENCE IN AMERICA. 



historian of Major Long's first expedition, died, Say refused 

 the opportunity, which his commander offered him, of continu- 

 ing the journal of the expedition, alleging that he was incom- 

 petent for this responsible employment. His sister and step- 

 mother, who survived him, bore strong testimony to his do- 

 mestic virtues. The soul of honour himself, he had the strong- 

 est aversion to deceit or dishonesty in others, yet he had so 

 little insight into character that the most barefaced impostor 

 would have little difficulty in securing his confidence. 



