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20 



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Airy, (Sir) George Biddell. 208. On the rejec- 

 tion, in the lunar theory, of the term of longitude 

 depending for argument on eight times the mean 

 longitude of Venus minus thirteen times the 

 mean longitude of the Earth, introduced by Pro- 

 fessor HANSEN ; and on the effect of that rejec- 

 tion on the state of the lunar tables, and upon 

 the lunar calculations which serve as a basis 

 for ancient chronology. [1873.] Astron. Soc. 

 Month. Not., 34, 1874, pp. 1-6. 



209. On a proposed new method of treat- 

 ing the lunar theory. Astron. Soc. Month. 

 Not., 34, 1874, pp. 89-98. 



210. Observations of the solar eclipse of 

 1874, October 9, made at the Royal Obser- 

 vatory, Greenwich. Astron. Soc. Month. Not., 

 35, 1875, p. 130. 



211. On the method to be used in re- 

 ducing the observations of the transit of Venus, 



1874, December 8. Astron. Soc. Month. Not., 

 35, 1875, pp. 277-288. 



212. Report on the progress made in the 



calculations for a new method of treating the 

 lunar theory. Astron. Soc. Month. Not., 35, 



1875, pp. 289-300. 



213. On a controverted point in LA- 

 PLACE'S Theory of the tides. Phil. Mag., 50, 

 1875, pp. 277-279. 



214. Note on the sun-spot of 1876, April 

 4. Astr. Nachr., 88, 1876, col. 299-300. 



215. Spectroscopic observations made at 

 the Royal Observatory, Greenwich. [1875.] 

 Astron. Soc. Month. Not., 36, 1876, pp. 27- 

 37. 



216. Observations of the solar eclipse of 

 1875, September 28-29, made at the Royal 

 Observatory, Greenwich. [1875.] Astron. Soc. 

 Month. Not., 36, 1876, pp. 38-40. 



217. Corrected mean solar times of the 

 beginning and ending of the solar eclipse of 

 1875, September 28-29, as observed at the 

 Royal Observatory, Greenwich. [1875.] Astron. 

 Soc. Month. Not., 36, 1876, pp. 57-58. 



218. On the present state of the calcu- 

 lations in his new lunar theory. Astron. Soc. 

 Month. Not., 36, 1876, pp. 89-96. 



219. Spectroscopic results for the motions 

 of stars in the line of sight. Astron. Soc. Month. 

 Not., 36, 1876, pp. 318-326. 



2 2O. Spectroscopic results for the motions 

 of Stars and of Venus in the line of sight, and 

 for the rotation of the Sun and of Jupiter, made 

 at Greenwich : No. 2. Astron. Soc. Month. 

 Not., 37, 1877, pp. 22-36, 43-44. 



221. Occupations of Stars by the Moon; 

 phenomena of Jupiter's satellites. Astron. Soc. 

 Month. Not., 37, 1877, pp. 116-117. 



222. Stars to be compared in R. A. with 



of Mars. Astron. Soc. Month. Not., 37, 1877, 

 pp. 117-121. 



Airy, (Sir) George Biddell. 223. On the nu- 

 merical lunar theory. Astron. Soc. Month. Not., 



37, 1877, pp. 245-246. 



224. On the spectrum of Comet b 1877 

 (WINNECKE'S) and of the eclipsed Moon, observed 

 at Greenwich. Astron. Soc. Month. Not., 37, 

 1877, pp. 469-470. 



225. On the tides at Malta. [1877.] 

 Roy. Soc. Proc., 26, 1878, pp. 485-487; Phil. 

 Trans., 169, 1878, pp. 123-138. 



226. On the inferences for the value of 



mean solar parallax and other elements deducible 

 from the telescopic observations of the transit of 

 Venus, 1874, Deer. 8, which were made in the 

 British Expedition for the observation of that 

 transit. [1877.] Astron. Soc. Month. Not., 



38, 1878, pp. 11-16. 



227. The interior of the Earth. Nature, 



18, 1878, pp. 41-44. 



228. On the correction of the compass in 



iron ships without the use of a fixed mark. 

 Phil. Mag., 5, 1878, pp. 267-269. 

 229. Note on a determination of the mass 



of Mars. [1878.] Astron. Soc. Month. Not, 

 39, 1879, pp. 140-141. 



230. On the conjunction of Mai-s and 

 Saturn, 1879, June 30. [1878.] Astron. Soc. 

 Month. Not., 39, 1879, pp. 141-145. 



231. Index to the records of occasional 



observations and calculations made at the Royal 

 Observatory, Greenwich, and to other miscel- 

 laneous papers connected with that Institution, 

 not comprehended in the ordinary routine of the 

 Observatory, but printed in the annual volumes 

 of the Greenwich Observations, from 1836, 

 January to 1875, December; with list of other 

 publications of the Royal Observatory. Astron. 

 Soc. Month. Not.,. 39, 1879, pp. 505-511. 



232. On the construction and use of a 



scale for gauging cylindrical measures of capacity. 

 Phil. Mag., 8, 1879, pp. 246-250. 



233. On the theoretical value of the 



acceleration of the Moon's mean motion in 

 longitude, produced by the change of ex- 

 centricity of the Earth's orbit. Astron. Soc. 

 Month. Not., 40, 1880, pp. 368-376, 385, 

 578-599. 



234. On the preparations to be made for 



the observation of the transit of Venus, 1882, 

 Dec. 6. Astron. Soc. Month. Not., 40, 1880, 

 pp. 381-385. 



235. On the spectrum of a sun-spot 



observed at the Royal Observatory, Greenwich, 

 1880, Nov. 27 and 30. [1880.] Astron. Soc. 

 Month. Not., 41, 1881, pp. 63-64. 



236. Effect on the Moon's movement in 



Mars 1877, for the determination of the parallax latitude, produced by the slow change of position 



