ON OUR KNOWLEDGE OF SPECTRUM ANALYSIS. 333 



Astronomical Applications, 1884.— Meteorological, 1881. 



H. C. Vbgel . 



B. Hasselbeiv . 

 P. Tacchini 



R. v. Kovesligel hy 

 E. von Gothard 



G A. Tounr . 

 S. J. Perry 



K. Wiedemann 



N. von Konkolv 



J. N. Lock v or 



A. RiccO . 



G. D. Liveing and 

 J. Dewar. 



E. v. Gothard . 



Einige Beobachtungen iiber den I ' Astron. Nachr.' cviii. 21- 

 Cometen Pons-Brooks, inobcson- I 20. 

 dere iiber das Spectrum desselben. 

 (Jan. 18.) 



Spectroskopische Beobachtungen des * Ar.tron. Nachr.' cviii. 55- 



56. 



'Mem. Spettr. ital.' xiii. 



Cometen Pons-Brooks. (Jan. 20.) 



Sugli spettri di comete osservati 

 nel 1882 e sulla forma delle re- 17-22. 

 lative code e nuclei. 



Spectroskopische Beobachtungen des • ' Astron. Nachr.' cviii 

 Cometen Pons-Brooks. (Feb. 10.) | 169-174. 



Beobachtungen der hellen Linien in ' Astron. Nachr.' cviii 

 dem Spectrum von y Cassiopeia; I 233-23G 

 und |8 Lyrae. (Feb. 10.) 



Observations of Comet Pons-Brooks. 

 (Feb. 1884.) 



Observations of Sun-spot Spectra in 

 1883. (Feb. 21.) 



Note on the Temperature of Sun 

 Spots. (Feb. 25.) 



Spectroscopic Observation of the 

 Ked-coloured Sky at Sunset, 1884, 

 Jan. 9, 5h. 20m. 



Spectroscopic Observations of Comet 

 Pons-Brooks made at the Obser- 

 vatory O-Gyalla, Hungary. 



On the most Widened Lines in Sun- 

 Spot Spectra, First and Second 

 Series, from November 12, 1879, to 

 October 15, 1881. (Peed. Feb. 22. 

 Bead March 20.) 



Sullo spettro della cometa Pons- 

 Brooks. (March 20.) 



The Temperature of Sun Spots. Re- 

 ply to Prof. Wiedemann. 



Spectroskopische Beobachtungen 

 des Cometen 1884. I. (Pons 

 1812.) (April 24.) 



Visitation of the Eoyal Observatory 



'Astron. Nachr.' cviii. 

 305-308. 



'Monthly Not. Astr. Soc' 

 xliv. 244-248. 



'Phil. Ma<?.'[5]xvii. 247- 

 248; 'Beiblatter,' viii. 

 768 (Abs.) 



' Monthly Not. Astr. Roc' 

 xliv. 250-251. 



' Monthly Not. Astr. Soc. r 

 xliv. 251-253. 



'Proc. Boy. Soc' xxxvi. 

 443-446 (Abs.) 



'Mem. Spettr. ital.' xiii. 

 39-40. 



' Phil. Mag.' [5] xvii. 302- 

 304; 'Beiblatter,' viii. 

 768 (Abs.) 



•Astron. Nachr.' cix. 99- 

 106. 



' Nature,' xxx. I47-14S. 



S. P. Langley 



W. G. Adams 



METEOROLOGICAL. 

 1881. 



The Bolometer and Radiant Energy, 

 (Read Jan. 12.) 



Magnetic Disturbances, Auroras, and 

 Earth Currents. (Lect. Roy. Inst, 

 June 3.) 



'Proc. Am. Acad.' xvL 

 342-358 ; ' Zeitschr. f . 

 Instrumentenkunde,' iv. 

 27-32 (Abs.) 



'Nature,' xxv. 66-71. 



