Descriptive Astronomy. 



153 



4060 



srx. 



4010 GENERAL. 



Ephemerides for physical observations 

 of the Sun . . . Naut. Aim., 

 London, 1901, 1904, Appendix. 



L'observation du soleil. Bruxelies, 

 Bid. Soc. astron., 1902, (257-269). 



LosDoy, Royal Astronomical Society, 

 Council of. International co operation 

 in solar research. London, Mon. Not. 

 R. Astr. Soc, 65, 1905, (401-402). 



Arrheniiis, Svante. On the electric 

 equilibrium of the sun. London, Proc. 

 R. Soc, 73, 1904, (496-499); reprint, 

 London, ilon. Not. R. Astr. Soc, 64, 

 1904 (App. 3) ([o0]-[o3]). 



du Ligondes, R. Le soleil des temps 

 primaires. Louvain (imprimerie Pol- 

 leunis et Ceuterick), 1903, (23). Ifr. 

 8vo. Extrait de la Rev. quest, scient-, 

 Bruxelies, 1903, (440-463). 



Jacoby, H. L'Avenir du soleil. Ciel 

 et Terre, BruxeUes, 1901, (11-19). 



Merecki, R. Le cycle solaire de S. 

 Newcomb. (Polish) Wiad. mat., War- 

 szawa, 7, 1903, (29-3-298). 



Sampson, R. A. The mechanical 

 state of the sun. Knowledge, London, 

 N. Ser.i, 1, 1904, (119-122). 



4020 OBSERVATIONS OF POSI- 

 TION. 

 Greenwicli Royal Observatory. Right 

 ascensions and North Polar distances of 

 the centre of the Sun. Greenwich 

 Obsns., 1901, 1903, (100-101, -79} ~ 



'SO'; ). 



4030 CONSTANTS (DIMENSIONS, 

 :\LASS, DENSITY, Etc.). 



Greenwich Royal Observatory. Side- 

 real times occ-upied by the transit of the 

 Sun's diameter, and vertical diameters 

 of the Sun, corrected for Refraction and 

 Parallax, compared with the corres- 

 ponding results of the Nautical 

 Almanac Greenwich Obsns., 1901, 

 1903,(91-95, {76} ). 



4050 



SOLAR PARALLAX. 



Barnard, E[dward] E[merson]. Micro- 

 metrical observations of Eros made 



with the forty-inch refractor of the 

 ^'erkes observatorv during the opposi- 

 tion of 190<j-190r. Chicago, 111., Pub. 

 Yerkes Obs. Univ. Chic, 2, 1904, (77- 

 116); Chicago, 111., Dec. Pub. Univ. 

 Chic, (Ser. 1) 8, 1903, (77-116). 



Brown, E. W. The parallactic 

 inequality and the Solar Parallax. 

 London, Mon. Not. R. Astr. Soc, 64,. 

 1 904, (534-535). 



Dyson, F[rauk] W[atson]. Eros and 

 the Solar Parallax. Observatorv,. 

 London, 27, 1904, (130-131). 



Greenwich Royal Observatory. On 



the new Greenwich micrometer for 

 measurement of photographs of Ero.s. 

 London, Mon. Not. R. Astr. Soc, 64, 

 1904, (626-640, with pi.) [2140]. 



Hinks, Arthur R Reduction of 295 

 photographs of Eros made at nine ob- 

 servatories during the period 1900. 

 November 7-15, with a determination of 

 the Solar parallax. London, Mon. Not 

 R. Astr. .Soc, 64, 1904, (701-727). 



StodolMewicz, A. J. Sur la deter- 

 mination de la distance du soleil a la 

 terre (Polish). Warszawa, 1903, (14'. 

 8". 40kop. 



Turner, H. H. The eleventh Eros 

 circular. Nature, London, 71, 1905. 



(154-155). 



Weinberg, Boris. Endgiiltige Aus- 

 gleichung der wahrscheinlichsten ^Ve^te 

 der Sonjienparallaxe, der Aberrations- 

 konstante, der Lichtgleichung und der 

 Verbreitungsgeschwindigkeit der Stii- 

 rungen im Aether nach den bisheriger. 

 ^lessungen. Astr. Nachr., Kiel, 165,. 

 1904, (133-142). 



4060 ROTATION. 



Kimball, H. H. Abnormal variation:^ 

 in insolation. Washington, D.C., U. S. 

 Dept. Agric, Monthly Weath. Rev. 31, 

 1903, (232-233). 



Stok, J[ohannes] P[aulusl van der. 

 ( )n a twenty-six-day period in daily 

 means of the barometric height. Am- 

 sterdam, Proc. Sci. K. .Ikad. Wet., 7, 

 [1904] (18-34) (English); Amsterdam. 

 Versl. Wis. Nat. Afd. K. Akad. Wet.. 

 13, ri904J (0-21) (Dutchl 



