OX OUR KNOWLEDGE OF SPECTRUM ANALYSIS. 



307 



''.11. Wolff 



E. Lecher 



J. Chappuis . 



-T. Aitken , 



J. Chappuis . 



IV Chardonnet 



W. J. Russell and 

 W. Lapraik. 



W. N. Hartley . 



C Zimmermann 



S, P. Langley . 

 O. Tumlirz 



Absorptiox Spectra, 1SS2. 

 Einige neuen AbsorptionsspcKtrcn. 



Ueber Ausstrahlung and Absolution. 

 (Bead March 2.) 



Surlo spectre d'absorption de l'ozone. 

 (Read March 27.) 



Bur lc spectre d'absorption de l'acide 



pernitrique. (Read April ::. | 



Note on the Absorption of Sea Water. 

 (Read May 1. Extract from a letter 

 to Professor Tait.) 



fitude spectroscopique sni l'ozone. 



Stir la transparence actinique des 

 verres d'optique. (Read May 2'.).) 



A Spectroscopic Study of Chlorophyll. 

 (Read June 1.) 



Researches on Spectrum Photo- 

 graphy in relation to New- 

 Methods of Quantitative Chemical 

 Analysis. Preliminary Note. 

 (Reed. May 19. Read June 15.) 



On the Reversal of the Metallic Lines 

 as seen in Over-exposed Photo- 

 graphs of Spectra. (Reed. May 19. 

 Read June 15.) 



Untersuchungen fiber das Uran. 



The Mount Whitney Expedition. 

 (July 13.) 



Ueber eine Methode zur Untcrsu- 

 chung der Absorption des Lichtes 

 durch gefarbte Losungen. (Read 

 July 13) 



' Rcpert: anal. Chem.' ii. 

 55-56 : ' Zeitschr. anal. 

 Chem.' xxii. 96-1)7 

 (Abs.); 'Chem. News, 

 xlvii. 178 (Abs.) 



' Sitzungsb. Wien. Akad. 

 lxxxv.ll. 441-490; 'Ann. 

 Phys. u. Chem.' N.F. 

 xvii. 477-518 (Abs.) 



C. R.' xciv. 858-81)0; 

 ' Chem. News,' xlv. 163 

 (Abs.) ; 'J." Chem. Soc.' 

 xlii. 1017 (Abs.); 'Dei- 

 blatter,' vi. 482-483 ; 

 (Abs.); 'Am. J.' [3j 

 xxiv. 56-57 (Abs.) 



C. P." xciv. 916-948; 'J. 

 Chem. Soc' xlii. 1017 

 (Abs.); 'Beiblattcr.'vi. 

 483 (Abs.); 'Am. J.' [3] 

 xxiv. 58-59 (Abs.) 



' Proc. Roy. Soc. Edinb.' 

 xi. 637; '" Beiblatter,' vii. 

 372 (Abs.) 



' Ann. de l'ecole norm.' [2] 

 xi. 137-186; ' Bei- 

 blatter,' vii. 458 (Abs.) 



• C. It." xciv. 1468-1470. 



'J. Chem. Soc.'xli. 334-341; 

 ' Nature,' xxvi. 636-639 ; 

 'Ber.'xv. 2746 (Abs.) 



'Proc. Roy. Soc.' xxxiv. 

 81-81 ; '*Ber." xv. 2924- 

 2925 (Abs.); 'J. Chem. 

 Soc'xliv. 263-264(Abs.); 

 ' Beiblatter,' vii. 109- 

 110 (Abs.); 'Zeitschr. 

 anal. Chem.' xxii. 539- 

 540 (Abs.) 



'Proc. Roy. Soc' xxxiv. 

 84-86; 'J. Chem. Soc' 

 xliv.263(Abs.); 'Am. J.' 

 [3] xxiv. 471-472 (Abs.) 

 ' Beiblatter,'vii.27(Abs.) 



'Ann. der Chem.' ccxiii. 

 286-329 ; ' Chem. News,' 

 xlvi. 172 (Abs.); 'Zeit- 

 schr. anal. Chem.' xxiii. 

 220-222 (Abs.) 



• Nature,' xxvi. 314-317. 



•Wien. Anz. ! 1882, 165-166 

 (Abs.); 'Beiblatter,' vii. 

 895-896 (Abs.); 'Chem. 

 News,' xlix. 201 (Abs.) 

 x 2 



