ACADEMY OP SCWNfES.] ASTRONOMY. 35 



48. Reports on observations of the total solar eclipse of December 22, 1870 [at Gibraltar]. 



Washington, Govt, print, off., 1871, 132 pp. 

 Also in Wash. Obs., 18G9, app. 1 (1872). 

 S. Newcomb's report, pp. 5-24, is one of five. 



49. Memoir ... on the lunar theory. 



Mo. Notices R. Astr. Soc. vol. 31 (suppl. no., 1871): 265-268. 



50. Th6orie des perturbations de la lune qui sont dues a Taction des planetes. 



Journal de mathematieques pures et appliquees, s. 2, vol. 14, (Nov., 1871): 321-368. 



51. Schreiben des Herrn Professor S. Newcomb an den Herausgeber. 



Astr. Nach., vol. 79 (May 17, 1872): cols. 245-246. 



Letter dated April 1, 1S72, calling attention to the favorable opportunity for determining the mass of Jupiter, which is afforded 

 by its small planet Polyhymnia. 



52. On the application of photography to the observation of the transits of Venus. 



Washington, Govt, print, off., 1872, pt. 1 (1872): 14-25. 



One of a number of" Papers" published by the commission on the transit of Venus, Dec. 9, 1874. 



52A. Zum Venusdurchgang. Auszug aus Prof. Newcombs Artikel. 

 Photographische Mittheilungen, Berlin, vol. 10 (1874): 18-21; 128-132. 



Translation of most of pages 14-21. 



53. On the right ascensions of the equatorial fundamental stars, and the corrections necessary 



to reduce the right ascension of different catalogues to a mean homogeneous system. 

 Washington, Govt, print, off., 1872, 73 pp. 

 Also in Wash. Obs., 1870, app. 3 (1873). 



54. New tables of Uranus. 



Mo. Notices R. Astr. Soc, vol. 32 (June, 1872): 308. 

 Letter dated Washington, May 16, 1872. 



55. Note sur un theoreme de mecanique celeste. 



Comptes Rendus, vol. 75 (Dec, 1872): 1750-1753. 



56. A mode of testing the motion of a clock pendulum. 



Astr. Nach., vol. 81 (May 22, 1873): cols. 319-320. 



57. Chronometer tests. 



Nature, London, vol. 8 (June 19, 1873): 150. 



58. An investigation of the orbit of Uranus, with general tables of its motion. 



Washington, Smithsonian Institution, October, 1873, 7+288 pp. 

 Also in Smithsonian Contribs. Kn., vol. 9, art. 4, 1874. 



Smithsonian Institution publication no. 262. "For which and the tables of Neptune, Newcomb was awarded a gold medal 

 by the Royal Astronomical Society of Great Britain, on Feb. 13, 1S74." Work on these tables was begun as early as 1859. 



59. Proctor on the moon. 



Nation, New York, vol. 17 (Oct. 23, 1873): 274-275. 

 Anonymous review. 



60. The story of a telescope. 



Scribner's Monthly (now Century Mag.), vol. 7 (Nov., 1873): 44-55. 



61. [Expedition toward the North Pole by Capt. Hall. Instructions on astronomical obser- 



vations.] 

 Smithsonian Report, 1871 (1873): 367-368. 



62. Instructions for observing the transit of Venus, December 8-9, 1874. Prepared by the 



Commission authorized by Congress and printed for the use of the observing parties 

 by authority of the Hon. Secretary of the Navy. 

 Washington, Govt, print, off., 1874, 28 pp. 



Written by S. Newcomb as secretary of the Commission. 



63. [Lockyer's Contribution to Solar Physics.] 



Nation, New York, vol. 18 (Mar. 19, 1874): 192-193. 

 Anonymous review. 



64. [Note on Hansen.] 



Nation, New York, vol. 18 (Apr. 9, 1874): 237 

 Anonymous. 



65. [Note on Proctor.] 



Nation, New York, vol. 18 (Apr. 16, 1874): 251-252. 

 Anonymous. 



