Mars. 



195 



5800 



of illumiuation, and vertical diameters of 

 Mercury, corrected for refraction, parallax 

 and defect of illumination : compared with 

 the corresponding results of the Xautical 

 Almanac. Greenwich Obsus., 1902, 1904, 

 ([209], [70]). 



5640 ROTATIOX, COXFIGURA- 

 TIOX OF SURFACE. 



Brenner, Leo. Die Rotation des Pla- 

 neten Merkur. Lussinpiccolo, Astr. Rdsch. , 

 6, 1905, (145-1.52, mit 22 Fig.). 



Lepper, Gerald H. Some observations 

 of Mercury and Venus during 1904 and 



1905. London, J. Brit. Astr. Ass., 16, 



1906, (110-112, 161-162). 



5670 TRAXSITS, OCCULTATIOX 

 OF MERCURY. 



Cowell, P. H. On the transits of 

 Mercury, 1677-1881. London, Mon. Xot. 

 R. Astr. Soc, 66, 1906, (36-41). 



5680 PHOTOGRAPHS, MAPS AXD 

 DRAWIXGS OF MERCURY. 



Pickering, Edward C[harles]. Bruce 

 photographs of planets. [Merkur, Mars, 

 Vesta, Jupiter, Uranus, Xeptun.] Astr. 

 Nachr. Kiel, 168, 1905, (287-292). 



VENUS. 



5700 GEXERAL. 



Lowell, Percival. Venus, 1903. Flag- 

 staff, Ariz., Lowell Obs. Bull., Xo. 6, 

 [1904], (31-[34], incl. pi.); [reprint] 

 Pop. Astr., Xorthfield, Minn., 12, 1904, 

 (184-190, with text tig.). 



Stentzel, Arthur. Venus-Riitsel. Welt- 

 all, Berlin, 4, 1904, (261-264). 



5720 COXSTAXTS, DIMEXSIOXS, 

 DL\METER, AXD FIGURE, 

 MASS AXD DEXSITY OF 

 VEXUS. 



Greexwich Royal Observatory. 

 Sidereal times occupied by the transit of 

 the diameter of Venus, corrected for defect 

 of illumination : and vertical diameters of 

 Venus, corrected for refraction, parallax 

 and defect of illumination : compared with 

 the corresponding results of the Xautical 

 Almanac. Greenwich Obsns., 1902, 1904, 

 ([210], \71^). 



5740 ROTATIOX, COXFIGURA- 

 TIOX OF SURFACE OF VEXUS. 



The rotation time of Venus. Pop. 

 Astr., X^orthfield, Minn., 11, 1903, (518). 



Bidschof, Fr. Wie lang dauert der 

 Tao- auf dem Abendstern? Xatur u. 

 Kultur, Miinchen, 1, 1903, (168-169). 



Bohlin, K[arl]. Die Venus-Rotation. 

 AVeltall, Berlin, 4, 1904, (439-441), 



Brenner, Leo. Rotation und physische 

 Beschaffeuheit des Planeten Venus. Lussin- 

 piccolo, Astr. Rdsch., 7, 1905, (1-8, 33- 

 39, 6.5-72). 



Lepper, Gerald H. Some observations 

 of Mercury and Venus in 1904 and 1905. 

 London, J. Brit. Astr. Ass., 16, 1906, 

 (110-112, 161-162). 



Loschhardt, F. Ein Vorschlag zur 

 Bestimmung der Venusrotation. NVien, 

 SitzBer. Ak. Wiss., 113, Abt. Ila, 1904, 

 (621-626). 



Slipher, V. M. A spectrographic 

 investigation on the rotation velocity of 

 Venus. Flagstaff, Ariz., Lowell Obs. 

 Bull., Xo. 3, [1903], (9-[18]). 



Wetherbee, Weston. The terminator 

 of Venus. Pop. Astr., Xorthfield, Minn., 

 12, 1904, (67, with text tig.). 



5710 OBSERVATIOXS OF POSL 

 TIOX OF VEXUS. 



Greenwich Royal Observatory. 

 Right ascensions and X^orth Polar distances 

 of the centre of Venus. Greenwich Obsns. , 

 1902, 1904, ([218]-[219], [75]). 



Leon, Luis G. The last conjunction of 

 Venus and Jupiter. Pop. Astr., Xorth- 

 field, Minn., 11, 1903, (160-161, with 

 text fig.). 



(e-9246) 



MARS. 



6800 GEXERAL. 



Armbruster. Geschichte der Mars- 

 forscliunu'. Metz, Jahresber. Ver. Erdk., 

 24, (l',)0'l-1904), 1904, (96-99). 



Douglass, A[ndi-ew] E[llicott]. Pre- 

 diction regarding projections on the 

 terminator of Mars. Pop. Astr., Xorth- 

 field, Minn., 11, 1903, (24-25). 



2 



