CONTENTS 



Rules for the Government of Committees of Publication. 



List of Officers of the Society for the year 1830. 



List of the Members of the Society elected since the publication of the 



Second Volume, New Series, of their Transactions. 

 Prefatory Notice. ---.... 



No. I. 



in 



VII 



Experiments to determine the Comparative Quantities of Heat evolved 

 in the Combustion of the Principal Varieties of Wood and Coal used 

 in the United States for Fuel ; and also, to determine the Comparative 

 Quantities of Heat lost by the < Ordinary Apparatus made use of for 

 their Combustion. J$y Slap 18 Hull. 



No. II. 



\ Grammai of the Language of the Lenni I.cnape, or Delaware 

 Indians. Translated from thi > US.ofthi I le Rei D Zei 



er, for the American Philosophical Society, by P. B, Du Ponceau. 



\ III. 



Description of I en Ni — \ I ■ . i:. \ 



M. I Icntz, Professor of Modern Languages in the Unit 



■ >lina. 



VOL. III. — C 



