548 BIOGRAPHICAL INDEX 



DEVILLE, STE.-CLAIRE (1818-1881) 

 1857. Dissociation, 514 



1863. Dissociation of water, 515, and carbonic anhydride, 516 



1864. Dissociation of carbonic oxide, sulphur dioxide, and 



hydrogen chloride, 516 



1865. Dissociation of ammonia, 263, 517 



1867. Rejects, dissociation of NH 4 C1,(C 2 H 4 O 2 ) 2 ,PC1 6 and 

 N 2 4 , 526 



DEVILLE AND TROOST 



1860. Vapour densities of sulphur, 524 ; cadmium, 361 ; 



aluminium chloride, bromide, and iodide, 361 

 1867. Vapour density of nitrogen peroxide, 525 ; solid 



nitrogen peroxide, 525 



DEWAR, SIR JAMES. 



1905. Vapour-density of iron carbonyl, 361 



1913. Atomic heats at low temperatures, 366, 471, 473 



DIEMAN, TROOSTWYCK, BONDT, AND LAUWERENBURGH 

 1794. "Oily carburetted hydrogen" or olefiant gas, 155; 

 "Dutch liquid" or ethylene chloride, 155 



DIXON, H. B. 



1884. Explosion of dried carbonic oxide and oxygen, 531 



DOBEREINER, JOHANN WOLFGANG (1780-1849) 

 1829. Triads, 452 



DULONG AND PETIT 



1819. Law of Atomic Heats, 362 



DUMAS, JEAN BAPTISTS, b. 1800, Alais ; d. 1884, Cannes. Pro- 

 fessor of Chemistry at the Sorbonne 



1826. Vapour-density of stannic chloride, 361 



1827. "On the Formation of Sulphuric Ether," by Dumas 



and Boullay. Sulphovinic acid, 402 

 1827. "On the Compound Ethers," by Dumas and Boullay. 



The aetherin radical, 401 

 1832. Vapour-density of sulphur, 524 

 1834. "On a New Alcohol," by Dumas and Peligot. Methyl 



alcohol, inethylene, and methyl, 403. 

 1834. "The Law of Substitutions," 406 ; removal of hydrogen 



without replacement, 407 



1837. Dumas and Liebig united, 405 



1838. Vapour-density of chromyl chloride, 361 



1839. Theory of types, 411 ; chlorine plays the part of 



hydrogen, 411 



1840. Chemical and mechanical types, 413 



