PART I. AUTHOR-INDEX. 65 



Hartley, W. N., and H. Raniage. Spectroscopic analysis of some 

 commercial samples of metals, of chemical preparations and of 

 minerals from Stassfurth Potash Beds. Proc. Roy. Soc. 60 



(1896) 393; Proc. Chem. Soc. Feb. 18, 1897; Chem. News 75 



(1897) 151, Abs. 



, . Spectroscopic analysis of blast-furnace iron, cinder, etc. 



Proc. Roy. Soc. 60 (1897) 393-407. 

 , . Experiments on the flame spectrum of carbon monoxide. 



Proc. Roy. Soc. 61 (1897) 217-219. 

 , . Spectrographic analysis of some commercial samples of 



metals, of chemical preparations and minerals from the Potash 



Beds. Chem. News 77 (1898) 121-122. 

 , . Spectrum Analysis of Meteorites. Proc. Dublin Soc. 8 



IV. (1898) 68; Nature 57 (1898) 546; Beibl. (1S98) 667. 

 , . Spectrographic analysis of iron meteorites, siderolites, 



and meteoric stones. Proc. Roy. Soc. 8 (1898) 703-710. 

 and J. Dobbie. The ultra-violet absorption spectra of some 



closed chain carbon compounds. J. Chem. Soc. 73 (1898) 598- 

 606; Beibl. (1898) 668. 



-, . A study of the absorption spectra of Isatin, Carbostril, 



and their Alkyl derivatives in relation to Tautomerism. J. Chem. 

 Soc. 74 (1899) 640-661. 



and H. Ramage. Spectroscopic Analysis of Meteors. 



Trans. Lond. Chem. Soc. 51 (1899) 533; Beibl. (1899) 789; As- 

 trophys. J. 9 (1899) 221-228. (Rubid., Gall., Ind., Ti, Va, Di, Ur, 

 Yt, Os.) ' 



Absorption spectrum and constitution attributed to Cyan- 



uric Acid. Proc. Chem. Soc. March 3, 1899; Chem. News 79 



(1899) lOI. 

 Hartman, L. W. The photometric study of mixtures of Acetylene. 



Phys. Rev. 9 (1899) 176-189. 

 Hartmann, J. Eine photographische Aufnahme des Cometeni896 



III. Astron. Nachr. 141 (1896) 253. 

 . Eine einfache Interpolationsformel ftir das prismatische 



Spectrum. Pub. Observ. Potsdam, 1898, 25 pp.; Beibl. (1899) 



175- 

 . Die Skale des Kirchhoff'schen Sonnenspektrums. Sitzb. 



Berliner Akad. 46 (1898) 742-756; Beibl. (1899) 180; Astroph. J. 

 9 (1899) 69-85. 



. The relative brightness of the planets Mars and Jupiter, 



from measurements with a new photometer. Astrophys. J. 10 

 (1899) 225-240. 



