7050 



'J20 



Descriptive Astronomy. 



■/.eaitluiles moj-ennes pour 1880.0. St. 

 Peterburg, Publ. Obs. Pulkovo, (ser. l' , 

 10, 1, 1903, (1-40). 



Rambaut, Arthur A. On . . . 

 •pivot errors . . . and their effect on 

 the Plight Ascensions of the RadcliftV 

 'Catalogue for 1S90. London, Mon. Not. 

 R. Astr. Soc, 65, 1905, (5(3-79, with pi.;. 



Seyboth, I. Catalog von 781 Zodia- 

 ^alsternon fiir Aequinoctiuni und Epochs 

 I.S95.0 nach Beobachtungen von M. 

 Dit^chenko. St. Peterburg, Publ. Ob>. 

 PLdkov... (ser. 2\ 9, 3, 1903, (1-148). 



7060 PROPER MOTION. 



Burns, Gavin J. The proper motion-- 

 •of the stars. Astroph. J., Chicago, 111., 

 17, 1903, (63-67). 



Downing, A. M. W. Relative drift r.[ 

 stars in the Hyades. London, J. Brit. 

 Astr. Ass., 15, 1905, (28-31). 



Evans, H[enry] B[rown]. The mean 

 13-ight ascensions and proper motions of 

 254 stars. Thesis. University of Penn- 

 sylvania, [Philadelphia], [1903], (19). 

 29.8 cm. 



Fumer, H. and Storey, J. On tlie 

 • absohite proper motions of certain douljlc 

 stars showing large relative motion. 

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

 .1901, (442-449). 



Eobold, H[ermannj. Resultate der 

 ^LTiitersuchungen von 144 starken Eigen- 

 ■))cwefiungen. [Nebst Berichtigung.] 

 A.tr.' Naclir., Kiel, 166, 1904, (1-lG, 



22;;-22i). 



Pickering, Edward C[harles]. Su- 

 spected jDroper motio:i of — 1° 3359. 

 ('ambridge, Mass., Harvard Coll. Obs. 

 ■Cir., No. 69, [1903, (2-3)]. 



Schroeter, J[ens] Fr[edrik]. Uuter- 

 suciiuag liber die Eigenbewegung in der 

 Zone fi5°-70'' nordlicher Declination. 

 [Publication des Universitiits-Observa- 

 torinms in Christlania 23]. Kristiania, 

 1903,(152). 4to. Kr. 5,00. 



7070 



PARALLAX. 



Flint, Albert S[towell]. Meridian 

 ■<:)bservations for stellar parallax. First 

 series 1893-96. Madison, Univ. Wis., 

 Pub. Washburn Obs., 11, 1902, (2 1. -1- 

 435). 27.8 cm. 



Gore, J. E. A. Andromed;e. Obser- 

 vatory, London, 27, 1901, (204). 



The actual distance between 



two stars. Observatory, London, 27, 

 1901, (234-235). 



On the relative brightness 



of stars. London, Mon. Not. K. Astr. 

 Soc, 65, 1905, (2G4-2C6). 



Kapteyn, Jfacobus] C'[ornelius] and 

 Sitter, WLillenij de. Parallaxes of the 

 clusters h ami x Persei of Groombridge 

 745, (Jl Cygni and surrounding stars, 

 contained in photographs, prepared by 

 Prof. A. Donner, measured and dis- 

 cussed. Groniugen, Publ. Astr. Lab., 

 10, 1902, (1-59). 



7080 MAGNITUDE. 



Bailey, Solon I[rving]. Observations 

 with the meridian photometer during 

 til- years 1899-1902. Cambridge, Mass., 

 Amr. Obs. Harvard Coll., 46, pt. 1, 1903, 

 (2 1. -Ml 9). 29.5 cm. 



Gore, J. E. Changements dans le 

 eel etoilj. Ciel et Terre, Bruxelles, 

 1902, (397-400). 



Kapteyn, J[acobus] C[ornelius]. On 

 the luminosity of the fixed stars. [Re- 

 printed from Proc. Sci. K. Akad. Wet., 

 Amsterdam, 3, 1901, (658-689).] Gro- 

 ningen, Publ. Astr. Lab., 11, 1902, 

 (1-32). 



Kovesligetby, R[ad6] von. Ueber die 

 physikalische Deutung der Sterngrosse. 

 Math.-natw. Bar. Ungarn, Leipzig, 18, 



(1900), 1903, (145-154). 



7120 COLOUR (INTEGRATED 

 LIGHT.) 



COLOUR CATALOGUES, 

 eg RED STARS. 



Stars having spectra of class B. Cam- 

 bridge, Mass., Ann. Obs. Harvard Coll., 

 56,[1901?],([27]-37). Separate. 29.8 cm. 

 [8010]. 



Doppler, Christian. Veher das farbige 

 Licht der Doijpelsterne und einiger 

 anderer Gestirne des Himmels. Versuch 

 einer das Bz-adley'sche Aberratioas- 

 theoreni als integrirenden Theil in s:ch 

 schliessenden allgemeinen Theorie. Zur 

 Feier seines huudertsten Geburtstages 

 als erste Veroffeutlichung des nach ihm 



