170 LITERATURE OF THE BPECTROBCOPE. 



De la flannnc da cyanogen. 



Mr ■ M A.). Ann. Chirn. ct l'hy I 4 



Bestimmung der Brechungeqnotienten einer Cyaninloeung. 

 Pulfirich (C). Ann. Phys. u. Chem., a. V. 16, 335. 



Cyanogen in Binall induction sparks in free air. 

 Smyth (C. Piaurf). Nature, 28. B40 



An examination of terpenea for cyraene by means of the ultra-violet 

 spectrum. 



Hartley (W. N\). Jour. Chem. Boc., 37, 676-8. 



(Look above under Curnene.) 



Zur Lehre von den Faulnissalkaloiden. 



Poehl (A.). Ber. chem. Ges., 16, 1975-88. 



DIAMOND. 



On the refraction equivalents of the diamond and the carbon compounds. 

 Gladstone (J. H.). Cher... Newt, 42. 175 j Jour. Chem. Boc, 40, 333 

 (Aba.); Beiblitter, 5, 43 (Abs.). 



DIAZO. 



Spectrum of diazo. 



Hartley | W. N.). Jour. Chem. Soc., 51 (1887), 196. 



DIPHEXVL. 



I". l.i r I >ijih<'iiyldiis<iindolazofarbston%, 



M..hlau (11.). Ber. chem. G- -., 15, 2490-7; Jour. Chem. Soc, 44. 

 IS (Abs.). 



I.irTKII'KNK. 



Description and measurement of the Bpectrnm of dipyridene (Dr. Ram- 

 say . 



ll riley v w - *■)• Jour - Chem. Soc, 47 (1886), 717. 



\ WIIITTAKKKI. 



Absorption spectra of the colouring matter of Dr OBB OCT Whitt&keri. 



K, :.!.,. B H). Jour I 51 (1887), 377. 



