92 ROYAL SOCIETY OF CANADA 



LXIX. On the right ascension of the equatorial fundamental stars, and the 



corrections necessary to reduce the right ascensions of different catalogues 



to a mean homogeneous system. Washington, -1872. pp. 73. (Also App. 



2, W.O., 1870). 



LXX. Extract from a letter to the Astronomer Royal re new tables of Uranus 



(dated Wash.. May 16, 1872). M.N.K.A.S.. XXXIL. 308. 1872. 

 LXXI. Oa the perturbations of (33) Polyhymnia. A.N.. LXXIX, cols. 245-246, 



1872. 

 LXXII. Note sur un théorème de Mécanique Céleste. Comptes Rendus, LXXV, 



1750-1753, 1872. 

 LXXIII. A mode of testing the motion of a clock pendulum. A.N., LXXXI, 



cols. 319-320, May 22, 3873, 

 LXXIV. Chronometer tests. Nature. VllI, 150, June 1!). 1873. 

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

 motion, pp. 288 + viii. S.C.K., XIX, No. 262, 1874. Accepted for 

 publication Feb., 1873, and published in Oct., 1873. 



" For which and the tables of Neptune, Newcomb was awarded a gold 

 medal by the Royal Astr. Socy. of G. B., on Feb. 13, 1874." Work on 

 these tables was begun as early as 1859. 



Prof. Cayley, president of the Astr. Society, in presenting the 

 medal to Dr. Huggins for transmission to Prof. Newcomb, concluded his 

 address as follows: "Prof. Newcomb's writings exhibit, all of them^a 

 combination on the one hand of mathematical skill and power ; and on 

 the other hand of good hard work devoted to the furtherance of astron- 

 omical science The two sets of planetary tables are 



works of immense labor, embodying results only attainable by the exer- 

 cise of such labor under the guidance of profound mathematical 

 skill " P.S.M., May, 1874, V, 125. Also American An- 

 nual Cyclopaedia, 1875, Article "Astronomical Progress." ( Cayley 's 

 address was given in full in M.N.R.A.S., XXXI V, 224-233). See also 

 Report of Regents of Smithsonian, 1872, p. 24; Nature, XII, 515, 1875; 

 Bulletin des Sciences Math, et Astr., X, 70, 1876. 

 LXXVI. The story of a telescope. Scribner's Magazine (now 2'he Century), 



VII, 44-55, Nov., 1873. 

 LXXVII. A mechanical representation of a familiar problem. [In least squares]. 

 Read before the Philosophical Society of Washington, and published 

 in the Proceedings of that Society, Vol. I, p. 89, 1873. M.N.R.A.S., 

 XXXIIL, 573. 1873.—" Valuable Paper "— Cajori. 

 LXXVIII. Expedition toward the North Pole by Capt. Hall. Instructions on 

 Astronomy. Smithsonian Reports, 1871, pp. 367-38. Published at 

 Washington, 1873. 

 LXXIX. On the present state of M. Delaunay's investigations on the lunar 

 theory (from a letter to Warrende La Rue. Esq.) M.N.R.A.S., XXXV, 

 62, 1874. 

 LXXX. Exact Science in America. N.A.R., CXIX., 286-308, October, 1S74. 

 LXXXI. On the possible periodic changes of the sun's apparent diameter. 

 S.Jl., VIII, 268-277, Oct., 1874. By Simon Newcomb and E. S. Holden. 

 LXXXII. Talks of an Astronomer. Illustrated. Harper's Mag., XLIX, 693-707, 



Oct., and 825-841, Nov., 1874. 

 LXXXII. The coming transit of Venus. Harper's Mag., L, 786, Dec, 1874. 

 Illustrated. 



