6720 



202 



6720 ZODIACAL LIGHT 



STELLAR UNIVERSE. 



GEGENSCHEIN, etc. 



Bird, John T. The Zodiacal Light, 

 &c. London, J. Brit. Astr. Ass., 11, 

 1901, (282-285). 



Cliristian, Isaac, E. The Gegenscheiu. 

 Pop. Astr., Northfield, xMimi., 9, 1901, 

 (14C-148). 



Douglass, A[ndrew] E[llicott]. Photo- 

 graphs of the Zodiacal Light. Pop. 

 Astr., Northfield, Minn., 9, 1901, (190- 

 191, with pi.). 



Photographs of Zodiacal 



Light. San Francisco, Cal., Pub. Astr. 

 See. Pac, 13, 1901, (47-48, with pi.). 



Nijland, A[lbert] A[ntonie]. [Instruc- 

 tions pom- I'observation de] la lumiere 

 zodiacale. (Hollandais). Helder, ilarine- 

 blad, Byblad Verslagen Marinevereeni- 

 ging, 15, 1901, (18-23). 



Seeliger, H[ugo]. Ueber kosmische 



Staubmassen und das ZodiacaUicht. 



Miinchen, SitzBer. Ak. Wiss., niath.- 



phys. CI., 1901, (265-292). [7800 

 C3810 3010]. 



7000 



G E N E R A L . 



6800 SPECTROSCOPY OF 

 MO OX, PLANETS, COMETS, 

 ZODIACAL LIGHT, TER- 

 RESTRIAL ATMOSPHERE 

 (AURORA, METEORS). 



6960 SPECTROSCOPY OF TER- 

 RESTRIAL ATMOSPHERE, 

 AURORA, TELLURIC LINES. 



Comu, The AtmosjDheric Al)sorption 

 of the Visible Rays . . . Chicago, 

 111., Astroph. J. Univ. Chic, 13, 1901, 

 (142-148). [5400]. 



Sykora, I. Sur la ijhotographie du 

 spectre de I'aurore boreale. St. Peter- 

 burg, Mem. Ac. Sc, (Ser. 8), 11, 9, 

 1901, (1-7, avec 1 pL). 



Die Welleiilangen der i)ho- 



tographisch erhaltenon Linien des 

 Nordlichtsjsectrums. Astr. Nachr., 

 Kiel, 156, 1901, (325-326). [F 1050]. 



Arclienliold, F. S. Die Diimmerungs- 

 erscheinungen und das Sichtbarwerdeu 

 der Sterne. Weltall, Berlin, 1, 1901, 

 (149-153). [0210 F 0520]. 



Brenner, Leo. Beobachtungs-Objekte 

 fiir Amateur- Astronomen. Leipzig, (E. 

 H. Maver), 1902, (VIII + 192, mit 5 Taf.). 

 23 cm' Geb. 7,50 M. 



Brockdorfif, C. von. Die Probleme 

 der rauiulichen und zeitlichen Ausdeli- 

 nung derSimienwelt. Vortrag. Hildes- 

 heim (Gerstenberg), 1901, (33). 23 cm. 

 0,60 M. [B0810 COIOO]. 



Gore, J. E. The Brightness of Star- 

 light. Pop. Astr., Northfield, Minn., 9, 

 1901, (506-509). 



Guntlier, Ludwig. Bemerkungen zu 

 deni Aufsatz von F. S. A r c h e n h o I d : 

 Die Dammerungserscheinungen und das 

 Sichtbarwerdeu der Stei'ne. Weltall, 

 Berlin, 1, 1901, (174-176). 



Matinder, E[dward] Walter. Con- 

 stellation Studies. I. The North Cir- 

 cumpolar Stars. Knowledge, London, 

 24, 1901, (12-14). 



Constellation Studies. II 



The Region of Leo. Knowledge, London, 

 24, 190l, (33-35). 



Constellation Studies. 



III. The Region of Virgo. Knowledge 

 London, 24,1901, (57-59). 



Constellation Studies. 



IV. Bootes and Hercules. Knowledge, 

 London, 24, 1901, (85-87). 



Constellation Studies. 



A'. The Scorpion and the Serpent 

 Holder. Knowledge, London, 24, 1901, 

 (105-107). 



Constellation Studies. 



VI. The Swan and the Eagle. Know- 

 ledge, London, 24, 1901, (128-130). 



Constellation Studies. 



VII. The South Circmnpolar Stars. 

 Knowledge, London , 24, 1901, (152- 

 154). 



Constellation Studies. 



VIII. The Archer and the Waterbearer. 

 Knowledge, London, 24, 1901, (178- 

 180). 



