90 ROYAL SOCIETY OF CANADA 



XXVII. Schreiben der Herrn. Prof. Simon Newcomb (dated Washington, Ouly 

 24, 1866). A.N.. Vol. 67, Sept. 6, 1866, Cols 847-48. LLetter correct- 

 ing a statement of Dr. Oppolzer's in regard to Leverrier's Solar Tables.] 



XXVIII. Observations of the later asteroids made at the U. S- Naval Obser- 

 vatory, Washington, with the great transit circle of Pistor & Martens, 

 A.N., Vol. 67, cols. 363-367. Sept. 12, 1866. 



XXIX. Carey's Principles of Social Science. N.A.R., Vol. 103, pp. 573-580, 

 Oct., 1866. 



XXX. Peto's Taxation. N.A.R., Vol. 104. pp. 255-201. Jan., 1667. 



XXXI. Description of the trau.sit circle of the U. S. Naval Observatory with an 

 investigation of its constants. Washington, 1867, pp. 50. Plates- Also 

 App. I, W.O., 1865, I, l*-47*. 



XXXII. An investigation of the orbit of Neptune with general tables of its 

 motion. Washington, 1867, pp. 110. Also in S.CK. XV, 1867. This 

 memoir was published as No. 199 in January, 1806. 



XXXIII. The U. S. Naval Observatory. N.A.R., Vol. 105. pp. 382-393, Oct., 



1867. ( Anonymous. ) 



XXXIV- Sur la parallaxe du soleil. (Letter dated U. S. Observatory. Wash- 

 ington, Oct. 31, 1867, to M. Delauuay) Comptes Rendus, LXV, 876-877, 

 Nov. 25, 1867. 



XXXV. Observations made at the U. S. Naval Observatory between the year* 

 1862 and 1867. App. 3, W.O., 1867, pp. 46. 



XXXVI. (a) Investigation of the distance of the sun and of the elements which 

 depend on it from the observations of Mars, made during the opposition 

 of 1862, and from other sources. Washington, Gov. printing office, 1867, 

 pp. 29. (In W. O. App. 2, 1865.) 



(ft) Discussion of the principal methods employed in determining the solar 

 parallax and of all the meridian observations of Mars during the opposi- 

 tion of 1862. App. 2. W.O., 1865. Washington, 1867. (See N's Pop wZor 

 Astronomy, p. 552. This title refers to the same article as (o).) 



XXXVII. Meteoric Showers. N.A.R., Vol. 107, pp. 38-50. July, 1868. 



XXXVIII. On Hansen's Theory of the physical constitution of the moon. 

 Amer. Acad. Proc, XVII. 167-172, 1868. Also S.Jl., XLVI, 376-378, 



1868. Also Phil. Mag., XXXVII, 32-35. Jan., 1809. 



XXXIX. Comparison de la théorie de la lune de M. Delaunay avec celle de M. 

 Hansen. Comptes Rendus, LXVI, 1197-1200, June 15, 1868. 



XL. Remarks on Mr. Stone's rediscussion of the transit of Venus, 1769 — a 



criticism of Mr. Stone's interpretation of Chappe's observations of egress 



in 1769. M.N.R.A.S. XXIX, 6, 1868. 

 XLI. Comparison of the actual and probable distribution in longitude of the 



nodes and perihelion of 105 small planets, A.N., Vol. 73, cols. 278-288. 



March 15, 1869. 

 XLII. On the observing of Corona, etc., during a total eclipse. S. Jl., XLVII, 



(second series), 413-415. May, 1869. 

 XLIII. Note on the theory of observation. A.N. LXXIV, cols. 237-240. Aug. 



2, 1869. 

 XLIV. Die Abberation des Lichtes. Z.S. II, 90 and 97, 1869. 

 XLV. Report on the solar eclipse of Aug. 7, 1869. (Observations made at Des 



Moines, Iowa.) Washington, 1870. (App. II, W.O., 1867, p. 6.) 

 XLVI. Positions of fundamental stars, deduced from observations made at the 



U. S. Naval Observatory between the years 1862 and 1867. W.O., 1867. 



App. 3, pp. 46. Wash., 1870. 



