842 Index. 



Wood, amount of air in ii, 441. 



moisture attracted by various species of . ii, 455. 

 and charcoal, new experiments upon . . . ii, 362-369. 



dry, amount of water in ii, 452. 



heat developed in combustion of . . . . ii, 405, 468-481. 



lost in carbonization of ii, 481. 



how converted into charcoal ii, 436. 



quantity of charcoal obtained from different kinds 



of ii, 461. 



specific gravity of solid parts of ii, 437. 



Wool, explanation of warmth of i, 462 ; iii, 46. 



Cambridse : Press of John Wilson & Son. 



