382 



REPORT — 1881. 



Astronomical Applications, 1877. 



E. Becqnerel 

 A. Secclii 



H. C. Vogel 



W. de W. Abney 



E. J. Stone 

 W. Huggins 



Wolf 



Tacchini 

 A. Secchi 

 Lord Lindsay 

 A. Secchi 

 Tacchini . 



H. Draper 



Piazzi Smyth , 



The New Star in Cygnus 



Observations des protuberances so- 

 laires pendant le second semestre 

 de 1876. Rotations Ixix tl Ixxv. 

 (Read March 5.) 



Observations du spectre de la 

 comfete Borelly. 



Spectral- Photometrische Untersuch- 

 ungen insbesondere zur Bestim- 

 mung der Absorption der die Sonne 

 umgebenden Gashiille. (Read 

 Mar. 8.) 



Effect of a Star's Rotation on its 

 Spectrum. (Read Mar. 9.) 



On Fixed Lines in the Ultra-red 

 Region of the Spectrum. 



On a Cause for the Appearance of 

 Bright Lines in the Spectra of 

 Irresolvable Star-Clusters. (Reed. 

 March 20. Read April 19.) 



On the Inferences to be drawn 

 from the Appearance of Bright 

 Lines in the Spectra of Irresolv- 

 able Nebula;. (Reed. April 26. 

 Read April 26.) 



Observations des com^tes II (Win- 

 necke) et III (Swift-Borelly). 

 (Read April 30.) 



Sur les taches solaires. (Read 

 May 14.) 



Sur le spectre de la comete de 

 Winnecke. (May 23. Read June 4.) 



On the Spectra of the Comets b. and 

 c. 1877. (May 8. Read June 8.) 



Sur I'etat actuel de I'atmosphere 

 solaire. (June 10. Read June 18.) 



Sur les eruptions m6talliques so- 

 laires observees A, Palerme depuis 

 1871 jusqu'en avril 1877. (Read 

 June 18.) 



Sur une tache solaire observee 

 pendant le mois de juin 1877. 

 (Read June 25.) 



Discovery of Oxygen in the Sun by 

 Photography, and a new Theory 

 of the Solar Spectrum. 



Optical Spectroscopy of the Red End 

 of the Solar Spectrum. 



'Monthly Not. Astr. Soc' 

 XXX vii. 200-202; 'Am. 

 J.' [3] xiii. 395-397. 



' C. R.' Ixxxiv. 423-427. 



„ Ixxxiv. 427. 



'Monatsb. Berl. Akad.' 

 1877, 104-142. 



' Monthly Not, Astr. Soc' 

 xxxvii. 278-279. 



' Phil. Mag.' [5] iii. 222 ; 

 ' Beiblatter,' i. 239-240. 



' Proc. Roy. Soc' xxvi. 

 156-157. 



Proc Roy. Soc' xxvi. 

 179-181. 



'C. R.' Ixxxiv. 929-931. 



„ Ixxxiv. 1079-1081, 



'C. R.' Ixxxiv. 1289-1292. 



' Monthly Not. Astr. Soc' 

 xxxvii. 430-432. 



'C, R.' Ixxxiv. 1430-1434. 

 „ Ixxxiv. 1448-1450. 



„ Ixxxiv. 1500-1501. 



' Am. J.' [3] xiv. 89-96 ; 

 ' Nature,' xvi. 364-367 ; 

 ♦C. H.' Ixxxv. 613-614 

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

 xxxiv. 101 (Abs.); ' Bei- 

 bliitter,' ii. 86-90 (Abs.) 



' Natnre,' Xvi. 264. 



