[Footnote 112: _Conn. d. Temps_, 1830.] [Footnote 113: _R. A. S. Mem._, vol. v., p. 178, 1833.] [Footnote 114: _Astr. and Astrophysics_, vol. xii., p. 581.] [Footnote 115: _Popular Astr._, vol. i., p. 243.] [Footnote 116: _Phil. Trans._, vol. cxxiii., and _Results_, etc., Introd.] [Footnote 117: _Results of Astronomical Observations made during the years 1834-8 at the Cape of Good Hope._] [Footnote 118: _Results_, etc., p. 147.] [Footnote 119: See Proctor's _Universe of Stars_, p. 92.] [Footnote 120: _A Treatise on Astronomy_, 1833, p. 406.] [Footnote 121: _Results_, etc., p. 139.] [Footnote 122: _Ibid._, pp. 24, 142.] [Footnote 123: _Phil. Trans._, vol. cxxiii., p. 503.] [Footnote 124: _Results_, etc., p. 136.] [Footnote 125: Loomis, _Month. Not._, vol. xxix., p. 298.] [Footnote 126: See the Author's _System of the Stars_, pp. 116-120.] [Footnote 127: _Outlines of Astr._, App. I.] [Footnote 128: _Phil. Trans._, vol. cxix., p. 27.] [Footnote 129: Dr. Dreyer's New General Catalogue, published in 1888 as vol. xlix. of the Royal Astronomical Society's _Memoirs_, is an enlargement of Herschel's work. It includes 7,840 entries, and was supplemented, in 1895, by an "Index Catalogue" of 1,529 nebulæ discovered 1888 to 1894. _Mem. R. A. S._, vol. li.] [Footnote 130: A list of 10,320 composite stars was drawn out by him in order of right ascension, and has been published in vol. xl. of _Mem. R. A. S._; but the data requisite for their formation into a catalogue were not forthcoming. See Main's and Pritchard's _Preface_ to above, and Dunkin's _Obituary Notices_, p. 73.] CHAPTER III _PROGRESS OF KNOWLEDGE REGARDING THE SUN_