ON ABSORPTION SPECTBA OP ORGANIC COMPOUNDS. 245 



D 



4.4'-Diaininoazobenzene. Ghosh and Watson. ' Trans.,' Ill, 815 (1917). 

 Dibenzyl. Ley. ' Zeit. wiss. Phot.,' 18, 178 (1918). 

 Diethylthiazin bromide. Kehrmann. ' Ber.,' 49, 2831 (1916). 

 1.4-Dihydroxyanthraquinone. Meek. ' Trans.,' Ill, 969 (1917). 

 3.4-Dihydroxymalachite-green. Ghosh and Watson. ' Trans.,' Ill, 815 (1917). 

 Diiodoacetylene. Macbeth and Stewart. ' Trans.,' Ill, 829 (1917). 

 Diiodoethylene. Macbeth and Stewart. ' Trans.,' Ill, 829 (1917). 

 p.p'-DimethoxyfuchsonedimethyUmonium chloride. Hantzsch. ' Ber ' 52 509 



(1916). 

 Dimethyl sulphide. Hantzsch. ' Ber.,' 52, 1544 (1919). 

 Dimethylaminoazobenzene. Hantzsch. ' Ber.,' 52, 509 (1919). 

 Dimethylaniline. Ley. ' Zeit. mss. Phot.,' 18, 178 (1918). 

 Dimethyldiacetylene. Macbeth and Stewart. ' Trans.,' Ill, 829 (1917). 

 Dimethylpyrone. Hantzsch. ' Ber.,' 52, 1535 (1919). 

 Dimethylthiazin perclilorate. Kehrmann. ' Ber.,' 49, 2831 (1916). 

 Dimethyl-o-toluidine. Ley. ' Zeit. wiss. Phot.,' 18, 178 (1918). 

 4.5-Dinitro-3-acetylaminoveratrole. Gibson, Simonsen, and Ran. ' Trans ' 111 69 



(1917). 

 5.6-Dinitro-3-acetylaminoveratrole. Gibson, Simonsen, and Rau. ' Trans ' 111 69 



(1917). 

 p.'p-Dinitrodiazoaminobenzene. Hantzsch and Hein. ' Ber.,' 52, 493 (1919). 

 p.p'-Dinitrodiphenylamine. Hantzsch and Hein. ' Ber.,' 52, 493 (1919). 

 «-Diphenylethane. Macbeth and Stewart. ' Trans.,' Ill, 829 (1917). 

 Di-cyc^o-pentadiene. Stobbe and Diinnhaupt. ' Ber.,' 52, 1436 (1919). 

 Dithioindigo. Lifschitz and Lourie. ' Ber.,' 50, 897 (1917). 

 Doebner's violet and derivatives. Kehrmann and Sandoz. ' Ber.,' 51, 915 (1918). 



E 

 Elaidic acid. Macbeth and Stewart. ' Trans.,' Ill, 829 (1917). 

 Eosine. Miethe and Stenger. ' Zeit. wiss. Phot.,' 19, 57 (1920). 

 Erucic acid. Macbeth and Stewart. ' Trans.,' Ill, 829 (1917). 

 /3-Ethoxycinnamic acid. Ley. ' Ber.,' 51, 1808 (1918). 

 o-Ethoxystyrol. Ley. ' Ber.,' 51, 1808 (1918). 

 j8-EthoxystyroI. Ley. ' Ber.,' 51, 1808 (1918). 

 Ethyl benzoylanetate. Ley. ' Ber.,' 51, 1808 (1918). 



Ethyl dinitrophenylmalonate. Hantzsch and Hein. ' Ber.,' 52, 493 (1919). 

 Ethyl nitrate. Schaefer. ' Zeit. wiss. Phot.,' 17, 193 (1918). 

 Ethyl ortho-formate. Hantzsch. ' Ber.,' 50, 1422 (1917). 



» ., salts. Hantzsch. ' Ber.,' 50, 1422 (1917). 



Ethyl phenylpropiolate. Macbeth and Stewart. ' Trans.,' Ill, 829 (1917). 

 Ethyl trinitrophenylmalonate. Hantzsch and Hein. ' Ber.,' 52, 493 (1919). 

 Ethylbenzene. Macbeth and Stewart. ' Trans.,' Ill, 829 (1917). 

 Ethylene iodide. Macbeth and Stewart. ' Trans.,' Ill, 829 (1917). 



P 



Filter yellow. Miethe and Stenger. ' Zeit. wiss. Phot.,' 19, 57 (1920). 

 Fluorescein. Miethe and Stenger. ' Zeit. wiss. Phot.,' 19, 57 (1920). 

 Formic acid and salts. Hantzsch. ' Ber.,' 50, 1422 (1917). 

 Fuchsine. Hantzsch. ' Ber.,' 52, 509 (1919). 



Fuchsonedimethylimonium chloride. Hantzsch. ' Ber.,' 52, 509 (1919). 

 Furaaric acid. Macbeth and Stewart. ' Trans.,' Ill, 829 (1917). 



H 



Hexamethylbenzene. Lifschitz. ' Ber.,' 49, 2050 (1916). 

 Hexamethyltriaminotriphenylcarbinol. Hantzsch. ' Ber.,' 52, 509 (1919). 

 Hexatriene. Macbeth and Stewart. ' Trans.,' Ill, 829 (1917). 

 p-Hydroxybenzeneazo-1.3-dihydroxynaphthalene. Ghosh and Watson. 'Trans..' 



111,815(1917). 

 p-Hydroxybenzeneazo-1.5-dihydroxynaphthalene. Ghosh and Watson. 'Trans/ 



111, 815 (1917). 



