Solar Spectroscopy. 



152 



4600 



Hale. New application of the spectro- 

 heliograph. A.J., 25, (311). 



Les flocculi de rbydrogene 



pliotographies avec. les raies Ha et H5. 

 C.R., 146, (1251). 



13055. Solar vortices and 



the Zeeman effect. [Review.] 



and Adams. A photogra- 

 phic comparison of the spectra of the 

 limb and the center of the sun. A.J., 

 25, (300). 



Julius. 13170. x\nomalons refraction 

 phenomena investigated with the spec- 

 troheliograph. 



4610 Spots. 



Belopoliskij . Das Spectrum der Son- 

 nenflecken. M.S.Pk., 2, (32). 



Buss. 12633. Helium absorption in 

 the sun. 



Cortie. 12732. Variability in light 

 of Mira Ceti and the temperature of sun- 

 spots. 



12733. Possible existence 



of steam in the regions of sun-spots. 

 (Rep. Brit. Ass. 1908.) 



12734. Recent work on 



the spectra of sun-spots. 



12735. Sun-spots and 



solar temperature. 



Daunt. O!)servations of Helium D3 

 absorption in the neighl)ourhood of sun- 

 spots in 1U()7. M.N., 68, (020). 



12769. D, as a dark line 



in the solar spectrum. 



Evershed. 12895. Helium absorption 

 in the sun. 



12897. Water-vapour lines 



in the spot-spectrum. 



Fowler. 12912. Absti-act of lecture 

 on suti-s]>ot sjiectroscopy. 



Hale, Adams ami Gale. Cause of llie 

 chardcteristic jihenomena of the sun- 

 spot spectra. A.S P., 18, (268) ; AjxJ., 

 24, (18.5). 



Eonen. I'and spectrum of vanaibuni. 

 Ap..J., 26, (129). 



Meslin. Le renveisement coniplo.xe 

 <ie8 raies spectrales dans les cometes 

 <;hromospheii(jues. B.A., 25, (9). 



Na.garaja. Tiie weakened and oblite- 

 rated lines in tiie sun-spot spectrum. 

 A [)..!., 26, (143). 



4630 Chromosphere without 

 echpse. 

 London, Royal Astronomical SuciErY, 

 Council of. Solar activitv in 1908. 

 Prominences. II.N., 69, (300). 



Buss. 12629. List of 25 exception- 

 ally eruptive prominences. 



12631. Solar prominences 



as seen on the limb and on the disc. 



12632. Prominence and 



coronal structure. 



Cortie. 1273 1. Interim report of 

 the solar section. 



Evershed. Solar prominences in 1907 

 observed at the Kodaikatial Observaiory. 

 M.N., 68, (515). 



12891. A large solar pro- 

 minence. [From Astroph. .J. 28, l908, 

 79.] 



Fox. A large eruptive prominence. 

 Ap..J., 26,(1.55). 



• 12945. Prominence and 



coronal structure. 



Lockyer. 13315. 13316. Promin- 

 ence and coronal structure. 



Ricco. Statistica delle macchie, 

 facule e protuberanze solari osservate 

 nel R. Osservatorio di (!atania nel 2° 

 semestre del 1906. S.S.L, 36, (24). 



Protulieranze solari osser- 

 vate nel 1906 nel R. Osservatorio di 

 Catania. S.S.L, 36, (73). 



Dimensionl e distril)u/ione 



delle protuberanze solari osservate in 

 Catania nel I" seni. 1907. S.S.L, 36, 

 (199). 



Tacchini, P. e Millosevicli, 1".. Im- 

 magini spectroscopiche del bortio solare 

 osservate a Roma negli anni 1880-188L 

 S.S.I., 36, (5 tav. cDit note). 



4640 Determination of Rotation. 



Adams. Spectrograpiiic observations 

 of the rotation of the sun. Ap.-L, 26, 

 (203). 



Dun^r. 12840. Rotation der Sonne. 



Perot. La r(jl:iliun du solcil. C.R., 

 147, (340). 



4650 SPLCTROSCOPIC 



RESEARCHES OF SUN IN 

 ECLIPSE. 



Angehm, 12417. Pcobachtung der 

 Sonncnfinstcrnis vom 30. August 1905 

 in (Carrion de Los Condes. (llngarisch.) 



