ACADEMY OT SCONCES.] ASTRONOMY. 53 



316. "Astronomy, Descriptive," "Astrophysics," "Comet," "Eclipse" (four of five sections), 



"Ecliptic," "Gravitation" (in part), "Jupiter: Satellites," "Latitude," "Light; 

 Velocity," "Mars," "Moon," "Orbit," "Parallax," "Planet," "Planets: Minor," 

 "Refraction: Astronomical Refraction." "Saturn," "Solar system," "Time: standard," 

 "Uranus (astronomy)," "Venus (astronomy)," "Zodiacal light," in Encylopsedia 

 Britannica, 11th ed., 28 volumes. 

 Cambridge, University Press, 1910-1911; vol. 2 (1910): 800-808, 819; 6 (1910): 759-763, pis.; 8 (1910): 



891-895; 12 (1910): 3S4-385; 15 (1911): 564-565; 16 (1911): 267-268, 623-626; 17 (1911): 761-765; 18 



(1911): 154-155, 802-807, pis.; 19 (1911): 385-387; 20 (1911): 164-165, 760-762; 21 (1911): 714-719, pis.; 



23 (1911): 29; 24(1911): 231-232; 25(1911): 357-358; 26(1911): 987-98S; 27 (1911): 788-789, 1013-1014; 



28 (1911): 998-1000. 

 See also nos. 131, 271. 



317. Researches on the motion of the moon, Part II. The mean motion of the moon and 



other astronomical elements derived from observations extending from the period 



of the Babylonians until A. D. 1908. 



Astr. Papers, vol. 9, pt. 1 (1912): 249 pp. 



Author's preface dated June 15, 1909. He died July 1 1 , 1909. 

 Parti was published in 1S7S; see there (no. 101) 



Note. — Since a new title, No. 180X, was inserted in this list, the total number of titles it this Section is 3 18. 



