TOO "1 rv y* INDEX. 



the arts against some charges of Rousseau, - 438 



Water, its density greatest at 424°, 3^"*^ — expands 

 from that point equally with heat or cold, 375 et seq. 

 — may be cooled down t6 5 or 6° of Fahrenheit with- 

 out being frozen, if inclosed in the bulb of a thermo- 

 meter tube, 376 — in a glass may differ 50° in temper- 

 ature at half an inch in depth, - - 385 

 JFa^er* mineral, analysis of two, - - 174 

 White, Mr. on three kinds of tioiber- trees, use- 

 ful and ornamental - - - - 1 63 

 Winds, observations on them at Manchester, - 669 



&. i W. Dcun 8c Co. Printers, Manchester. 



