Solar Spectroscopy. 



184 



4580 



derselben fiir die Ausstrahlung der Erde. 

 Ark. Matera., Stockholm, 1, 1904, (395- 

 400, mit Tat.). 



Lester, 0. C. On the oxygen absorp- 

 tion hands of the solar specti'um. Astroph. 

 J., Chicago, 111., 20, 1904, (81-104, with 

 text fig. and pi.). 



Schumann, Victor. On the absoi-ption 

 and emission of air and its ingredients for 

 light of wave-lengths from 250 fifi to 

 100 nfjL. (Translated from the Gennan 

 manuscript by Charles S. Peirce.) Wash- 

 ington, D.C., Smithsonian Inst. Cont. 

 Know]., 29, No. 1413, 1903, (iv + 30, 

 Avith pi.). 34.5 cm. 



4600 SPECTROSCOPIC 



RESEARCHES OF SURFACE 

 WITHOUT ECLIPSE. 



Hale, George E. ... Measurements 

 .of stellar parallaxes, solar photographs, etc. 

 •Grant No. 13. [Preliminary report.] 

 •Washington, D.C., Carnegie Inst. Year 

 Book, No. 2, (1903), 1904, (xx). 



and Ellerman, Ft-rdinand. 



Calcium and hydrogen flocculi. Astroph. 

 J., Chicago, 111., 19, 1904, (41-52, 

 with pi.). 



Lockyer, William J. S. The sun in 

 calcium light. Knowledge, London, 

 (N. Ser.), 2, 1905, (191-193, 215-217). 



Recent spectrohehograph 



results. Nature, London, 72, 1905, (9-13). 



Scheiner, J. Die Kalziumbilder der 

 Sonne. Himmel u. Erde, Berlin, 16, 1904, 

 (529-536, mit 3 Taf.). 



Schwassmann, A. Die Spektralphoto- 

 grnphien der Sonne. Umschau, Frauktm-t 

 a. M., 8, 1904, (727-732). 



4610 Spots. 



Cortie, A. L. The spectra of sun-spots. 

 London, Rep. Brit. Ass., 1904, 1905, 

 (458-459). 



The spectra of sun-spots in 



the red and yellow regions of the spectrum. 

 Astroph. J., Chicago, lU., 20, 1904, 

 (253-265). 



Fowler, A[lfred]. Spectroscopic obser- 

 vations of the recent great sun-spot and 

 associated phenomena. London, Mon. 

 Not. R. Astr. Soc, 65, 1905, (513-520). 



Mitchell, Walter M. Reversals in the 

 spectra of sun-spois. Astroph. J., Chicago, 

 111., 19, 1904, (357-359). 



4620 Faculae. 



Humphreys, W. J. On double reversal. 

 Astroph. J., Chicago, 111., 18, 1903, 

 (204-209, with pL). 



Konen, H. and Hagenbach, A. On 

 double reversal. Astroph. J., Chicago, 

 111., 19, 1904, (111-115, withpL). 



4630 Chromosphere. 



LoxDox, Royal AsTKoxoMic.^L Society, 

 Council of. Solar activitv in 1905. London, 

 Mon. Not. R. Astr. Soc., 66, 1906, (227- 

 228). 



Deslandres, Henri. Sur la photogiaphie 

 des diverses couches superposees qui com- 

 poseut ratmosphere solaire. Paris, C. R. 

 Acad, sci., 138, 1904, (137o-13M). 



Mascari, Antonino. Sulle protuberanze 

 solari osservate al R. Ossenatorio di 

 Catania neU' anno 1903. Catania, Mem. 

 Soc. spettroscop. ital., 33, 1904, (113-119). 



4640 



Determination of 

 Rotation. 



Duner, N[ils] C'[hristofer]. Ueber die 

 Rotation der Sonne. Astr. Nachr., Kiel, 

 167, 1905, (167-168). 



4650 SPECTROSCOPIC 



RESEARCHES OF SUN IN 

 ECLIPSE. 



Christie, William [H. M.]. Total 

 eclipse of the sun, 1905 August 30. Pre- 

 limmary account of the observations made 

 at Sfax, Tunisia. I-ondon, Proc. R. Soc, 

 (Ser. A), 77, 1906, (28-41) ; London, 

 (R. Astr. Soc), 1906, (28-41 of reports on 

 the total solar eclipse, 1905 August 30). 



Gierke, Agnes M. Tasks for totalities. 

 London, J. Brit. Astr. Ass., 15, 1905, 

 (273-276). 



Donitch, N. Sui- I'etat des enveloppes 

 du Soleil a I'epoque du dernier minimum 

 de son activite. Bui. astr., Paris, 21, 

 1904, (5-28). 



Newall, H. F. Total solar eclipse, 

 1905 August 29-30. Preliminary report 

 of the observations made at Guelma, 

 Algeria. London, Proc. R. Soc, (Ser. A), 

 77, 1906, (56-76) ; London, (R. Astr. 

 Soc), 1906, (56-76 of reports on the total 

 solar echpse, 1905 August 30). 



