INDEX. 



N.B. A dash rule represents the italics immediately preceding it. 



ACOUSTICAL figures, peculiar, 314. 



Aerial perspective, 215. 



Air excluded from ice, 373. 



Alkali in glass, its effect, 281. 



Alkaline change of vegetable colours, 



29, 31. 



Alloys of iron, 80. 

 Alloys of steel, 57, 68. 

 Aluminium and polarized light, 441. 

 Aluminium deflagrations, 405. 

 Ammonia, cases of its formation, 143. 



, its pressure, 114. 



, liquefied, 94, 114, 127. 



, solidified, 114. 



, compounds with chtorides, 18. 



, solutions of silver in, 13. 



Ammonio-fulminating silver, 16. 

 Anhydrous sulphate of soda, 230. 

 Arseniuretted hydrogen, liquefied, 115, 



130. 



, its pressure, 115. 



Bicarburet of hydrogen, 157. 



Boracic acid, its action on turmeric, 27- 



Bottles replaced by tubes, 152. 



Breathing time extended, 358. 



Bromides of phosphorus, 104. 



Caoutchouc, 174. 



Capillary tubes and gases, 5, 6. 



Carbon, chlorides of, 33. 



Carbon and hydrogen, new compounds 



of, 154. 

 Carbonic acid, liquefied, 92, 108, 121, 



124, 133. 



-, solidified, 102, 108. 



, its freezing- and boiling-points, 



, liquid, its pressure, 109. 



, solid, electric, 102. 



baths, 99. 



Carburet of hydrogen, new, 163. 

 Chemical force and conservation of force, 



454, 461. 

 Chloride of silver and ammonia, 18, 94. 



decomposed by hydrogen, 31. 



zinc, 31. 



Chlorides of carbon, 33, 53. 



Chlorides combined with ammonia, 18. 



Chlorine, hydrated, 81. 



Chlorine gas condensed, 84, 85, 95, 129, 



131. 

 Cohesion, its effect in solids and fluids, 



378. 



, its relation to ice and water, 378. 



, in relation to saline crystals, 380. 



Cold baths for gases, 99. 

 Combustion of the diamond, 11. 

 Condensation gauges, 91, 98. 

 Condensation of gases, 89, 96. 



, ammonia, 94, 114, 127. 



, arseniuretted hydrogen, 115, 130. 



, carbonic acid, 92, 108, 121, 124, 



133. 



, chlorine, 85, 95, 129, 131. 



, cyanogen, 94, 113. 



, euchlorine, 92, 110. 



, fluosilicon, 104. 



, hydriodic acid, 103. 



, hydrobromic acid, 104. 



, hydrochloric acid, 95, 106, 131. 



, nitrous oxide, 93, 111, 117. 



, oil-gas, 133. 



, olefiant gas, 102, 118. 



, oxygen attempted, 122. 



, phosphuretted hydrogen, 105. 



, sulphuretted hydrogen, 90, 107. 



, sulphurous acid, 89, 107, 129, 



132. 



Condensed gases, their elasticity, 122. 

 Conduction of heat, sounds during, 31 1 . 

 Conservation of force, 443, 460. 

 Copper and polarized light, 440. 



deflagrations, 404. 



film, 410. 



Crispation of vibrating fluids, 335. 

 Crystals of sulphate of soda, 153, 230. 

 Cyanogen, liquefied, 94, 113. 



, solidified, 113. 



Decomposition of hydrocarbons by sud- 

 den expansion, 219. 

 Deflagrated metals, their action on light, 



401, 404, 435. 

 Depolarization of light by gold, 437. 



