ON OUR KNOWLEDGE OF SPECTRUM ANALYSIS. 

 Absorption Spectra, 1873, 1874. 



349 



W. H. Perkin . 

 J. Chantard 



H. C. Sorby . 



H. Pocklington 

 J. Chautard 



H. Emsmann 



W. N. Hartley. 



1873. 



Absorption Spectra of Anthrapur- 

 purin. 



Classification des bandes d'absorp- 

 tion de la chlorophylle ; raies 

 accidentelles. (Read May 19.) 



On Comparative Vegetable Cliroma- 

 tology. (Kecd. June 9. Read June 

 19.) 



M. Chautard's Classification of the 

 Absorption- Bands of Chlorophyll. 



Recherches sur le spectre de la 

 clilorophylle. (Read Sept. 8.) 



Salpetersaure Nickellosung als Ab- 

 Borptionspraparat. 



On the Optical Properties of a new 

 Chromic Oxalate. (Reed. June 19. 

 Read Nov. 27.) 



'J. Chem. Soc' [2] xi. 

 433. 



' C. R.' Ixxvi. 1273-1275 ; 

 'J. 'Chem. Soc' [2] xi. 

 997-998 (Abs.) 



' Proc. Roy. Soc' xxi. 442- 

 483; 'J. Chem. Soc' 

 [2] xii. 279-285 (Abs.) 



'Pharm. J, Trans.' [3] iv. 

 61-63. 



'C. R.' Ixxvii. 596-597; 

 ' Ber.' vi. 1265 (Abs.) ; 

 'Phil. Mag.' [4] xlvi. 

 335-336 ; ' J. Chem. 

 Soc' [2] xi. 1258-1259 

 (Abs.) 



'Ann. Phys. u. Chem.' 

 Ergjinzungsband,' 1874, 

 vi. 334-335; 'Phil. Mag.' 

 [4] xlvi. 329-330; 'J. 

 Chem. Soc' [2] xii. 113. 



' Proc. Roy. Soc' xxi. 499- 

 507; 'Ber.' vi. 1425 

 (Abs.) 



K. Vierordt 



W.N.Hartley. 



H. E. Roscoe and A. 

 ' Schuster. 



W. Stein 



J. N. Lockyer . 



1874. 



Die graphische Darstellung der Ab- 

 sorptionsspectren. (Dec. 27, 1873.) 



Preliminary Notice of Experiments 

 concerning the Chemical Constitu- 

 tion of Saline Solutions. (Reed. 

 Feb. 3. Read March 19.) 



Note on the Absorption- Spectra of 

 Potassium and Sodium at Low 

 Temperatures. (Reed. April 30. 

 Read June 11.) 



Zur Spectralanalyse gefarbter Fliis- 

 sigkeiten und Glaser. 



Spectroscopic Notes. No. I. On the 

 Absorption of Great Thicknesses of 

 Metallic and Metalloidal Vapours. 

 (Reed. April 20. Read June 11.) 



Spectroscopic Notes. No. II. On the 

 Evidence of Variation in Molecular 

 Structure. (Reed. May 26. Read 

 June 11.) 



' Ann. Phys. u. Chem.' cli. 

 119-124.' 



' Proc. Roy. Soc' xxii. 

 241-243;' Chem. News,' 

 xxix. 148. 



'Proc Roy. Soc' xxii. 

 362-364; 'Chem.News,' 

 xxix. 268-269; 'J. Chem. 

 Soc' [2] xii. 942 

 (Abs.); 'Am. J.' ix. 

 212-213. 



'J. pr. Chem.' [2] ix. 383- 

 384 ; ' J. Chem. Soc' [2] 

 xiii. 412-414 (Abs.) 



'Proc Roy. Soc' xxii. 

 371-372 ;• 'Phil. Mag.' 

 [4] xlix. 233-235. 



'Proc Roy. Soc' xxii. 

 372-374; 'Ann. Phys. 

 u. Chem.' civ. 136-140 ; 

 'Phil. Mag.' [4] xlix. 

 235-237; 'J. Chem. Soc' 

 1876, ii. 34 (Abs.) 



