Descriptive Astronomy. 



140 



3350 



3350 MISCELLANEOUS. EE- 



FEACTION. 



Ball. Der Wert der Refraktionskon- 

 staiite. A.N. 191 (285-300). Berichti- 

 gung zu dera Artikel in Nr. 4530 (Bd 

 189): Cber einen prinzipiellen Fehler 

 usw. t.e. (425-426). 



Hertzspning. Photographische Mes- 

 sung der atmospharischen Dispersion. 

 A.X. 192 (309-320). 



Kohlmiiller. 21303. „Zur Refrak- 



tion im Niveilenient." Diss. 



Wolff. 22103. Extinktion des Fix- 

 sternlichts in der Erdatmosphare. 



SOLAR SYSTEM. 



4000 GENERAL. 



Wilson. Life in other worlds. A.S.P. 

 23 (109-119). 



SUN. 



4010 GENERAL. 



London Rotal Astronomical Society, 

 Council of. Solar research in 1912. 

 M.N. 73 1913 (273-278). 



Abbot. 20503. The sun (review.) 



Curtis. Rosa Ursina, sive Sol, a 

 retrospect. P.A. 20 (561-568 with ff.). 



Erebs. Zeitliche Relativitat in der 

 Sonnentiitigkeit. S.S.I. 40 (124^125). 



LowelL The sun as a star. P.A. 19 

 283-287 with tables). 



Muratov. 21549. Absence de 

 rhoniogeneite dans la structure du 

 soleil. (Russ.) 



Formano. 21900. Osservazioni 



solari. 



TMrion. 21953. La physique solaire 

 depuis trois siecles. 



4020 



OBSERVATIONS OF 

 POSITION. 



GREENwacH Royal Observatory. 

 Right ascensions and North Polar 

 distances of the centre of the Sun. 

 Gr.O. 1910 (A 99 B 76). 



Bigourdan. Quelques observations 

 de position pouvant etre faites pendant 

 I'eclipse de soleil du 17 avril 1912. 

 C.R. 154 (845). 



Mader. 21448. Die Entfernungen 

 im Sonnen- und Milchstrassen-System. 



Nyr^n. 21592. Observations faites 

 a la lunette meridienne d'Odessa par 

 A. Orbinski, redigees par M. Nyren. 



4030 CONSTANTS (DIMENSIONS, 

 MASS, DENSITY, Etc.).' 



Greenwich Royal Observatory. 

 Horizontal and vertical diameters of the 

 sun. Gr.O. 1910 (A 93 B 72). 



Dyson and Maunder. The position of 

 the sun's axis as determined from photo- 

 graphs of the sun from 1874-1911 

 measured at the Royal Observatory 

 Greenwich. M.N. 72 (564). 



4050 SOLAR PARALLAX. 



Greenwich Royal Observatory. The 

 effect of atmospheric dispei'sion on the 

 Greenwich photographs of Eros. M.N. 



72 (420). 



Abetti. 20510. Gli ultimi valori 

 della parallasse solare e il valore 

 ottenuto a Padova. 



Antoniazzi. 20555. II valore medio 

 della parallasse solare risultante dalle 

 osservazioni fatte su " Eros " a Padova 

 nel 1900-1901. 



Frederick. 21024. A determination 

 of the solar parallax, from observations 

 of Eros made by T. J. J. See in 1 900- 

 1901. 



Tiomer. Spectroscopic determination 

 of solar paraUax. A.S.P. 24 (211-216). 



4070 SPOTS, FACUL.E, CHROMO- 

 SPHERE, CORONA AND OTHER 

 ENVELOPES WITHOUT ECLIPSE. 



GREEN^^CH Royal Observatory. 

 Photoheliographic results 1910. Gr.O. 

 1910 (D 1). Catalogue of recurrent 

 groups of sun spots for 1910. ih. 



(D66). 



London Royal Astronomical Society. 

 Council of solar activity in 1912. M.N. 



73 1913 (271-272). 



Osservatorio Astro-fisico di Catania. 

 Immagini spettroscopiche del bordo 

 solare osservate dal 1879 al 1908 a 

 Roma, Campidoglio, Mosca, Palermo, 

 Kalocsa, Zurigo, Odessa, Charkov. 

 S.S.I. 40 (23 tav.). 



