6 LITERATURE OF THE SPECTROSCOPE. 



Aubcl, E. vail. Action du magnetisme sur les spectres des gaz. J. de 



phys. 7 (1898) 408, 

 Auwers, A. Einfluss der Farbe der Blendglaser bei Messungen des 



Sonnendurchmessers. Astron. Nachr. 123 (1889) 97-104; Beibl. 



(1890) 787. 

 . Bemerkung zu der deutschen Venusexpeditionen. Beibl. 



(1894) 763. 

 Aymonnet, F. Relation entre 1' indice de refraction d' un corps, sa 



densite, son poids moleculaire et son pouvoir diathermane. C.-R. 



113 (1891) 418-421; Beibl. (1891) 430. 

 . Sur les maxima periodiques des spectres. C.-R. 114 (1S92) 



582-685; 117 (1893) 304-306, 402-405; 123 (1896) 645-658; 



Beibl. (1893) 336. 

 . Sur les radiations calorific|ues comprises dans la partie lumi- 



neuse d' un spectre. C.-R. 119 (1894) 50-53, 151-154; Beibl. 



(1894) 908; (1895) 64. 

 . Sur le deplacement spectral du maximum calorificjue solaire 



C.-R. 121 (1895) 1139-1141; Beibl. (1896) 537; Chem. News 20 



(1896)47. 

 Ayrton, W. E., and E. A. Medley. Tests of glow lamps. Phil. Mag. 



(5) 39 (1895) 389-422. 



B 



Baecei, P. Sullo spettro di assorbimento dei gas, con tavole. Mem. 



Spettr. Ital. 28 (1899) 97-102, 121-129; Beibl. (1899) 635-636. 

 BaekJiouse, T. W. Variable Orange Stars. Observatory 18 (1895) 94. 



. Zodiacal Light. Jour. B. A. A. 5 (1895) 307. 



. New Variable Orange Stars. Observ. 19 (1896) 160-161. 



. Photograph of "Flash" Spectrum. Astrophys. J. 8 



(1898) 198. 

 Backlund, O. Comet Encke. Mem. Acad. St. Petersb. (7) 34 (1886) 



41 pp. 

 Bailey, G. H. Absorption spectra of rare earths. Didymium. Rept. 



Brit. Assoc. (1887) 568-571, 654-655; Beibl. (1888) 194; (1889) 



815. See G. Kruss unci L. F. Nilson, Ber. chem. Ges. 20 (18S7) 



3067-3072. 

 Bailey, S. I. Catalogue of 7922 Southern Stars observed with the 



Meridian Photometer, 1889-91. Ann. Harv. Observ. 34 (1895) 



1-259- 



. Periods of variable stars. Astrophys. J. 10 (1899) 255- 



265. 



