LABORS OF THE JOINT COMMITTEE. 



81 



In conclusion, the committee request that, should your 

 occupations prevent you from attending to the subject your- 

 self, you will find in your vicinity a competent observer to 

 take your place. 



Please to forward your observations monthly, to the 

 Joint Committee of the American Philosophical Society and 

 Franklin Institute, care of William Hamilton, Actuary of 

 Franklin Institute, Philadelphia, by mail, when a private 

 conveyance is not at hand. 



JAMES P. ESPY, Chairman Joint Committee. 



GOUVERNEUR EMERSON, M. D. 



C. N. BANCKER, 

 ALEXANDER D. BACHE, 



Com. of Amer. Philos. Soc. 

 JAMES P. ESPY, 

 ALEX. D. BACHE, 

 H. D. ROGERS, 

 S. C. WALKER, 



P. B. GODDARD, M. D. 



Com. of Franklin Institute. 



OBSERVATIONS. 



11 



