[Footnote 1211: Hind, _Ibid._, p. 49.]

[Footnote 1212: Reproduced in _Les Mondes_, t. xiii.]

[Footnote 1213: _Comptes Rendus_, t. lxiv., p. 96.]

[Footnote 1214: _Astr. Nach._, No. 1,626.]

[Footnote 1215: _Ibid._, No. 1,632.]

[Footnote 1216: _Month. Not._, vol. x.x.xviii., p. 369.]

[Footnote 1217: Schiaparelli, _Le Stelle Cadenti_, p. 54.]

[Footnote 1218: _Ueber Feuer-Meteore_, p. 406.]

[Footnote 1219: _Astr. Nach._, No. 347 (Madler); see also Boguslawski, _Die Kometen_, p. 98. 1857.]

[Footnote 1220: _Nature_, vol. vi., p. 148.]

[Footnote 1221: A. S. Herschel, _Month. Not._, vol. x.x.xii., p. 355.]

[Footnote 1222: _Astr. Nach._, Nos. 1,632, 1,633, 1,635.]

[Footnote 1223: _Nature_, vol. vii., p. 122.]

[Footnote 1224: A. S. Herschel, _Report Brit. a.s.s._, 1873, p. 390.]

[Footnote 1225: Humboldt, _Cosmos_, vol. i., p. 114 (Otte's trans.).]

[Footnote 1226: _Month. Not._, vol. x.x.xiii., p. 128.]

[Footnote 1227: Even this was denied by Bruhns, _Astr. Nach._, No.

2,054.]

[Footnote 1228: _Am. Jour._, vol. x.x.xi., p. 425.]

[Footnote 1229: _Month. Not._, vol. xlvi., p. 69.]

[Footnote 1230: In Schiaparelli's opinion, centuries must have elapsed while the observed amount of scattering was being produced. _Le Stelle Cadenti_, 1886, p. 112.]

[Footnote 1231: _Astr. and Astroph._, vol. xi., p. 943.]

[Footnote 1232: _Bull. de l'Acad. St. Petersbourg_, t. x.x.xv., p. 598.

1894.]

[Footnote 1233: _Observatory_, vol. xvi., p. 55.]

[Footnote 1234: _Le Stelle Cadenti_, p. 133; _Rendiconti dell' Ist.i.tuto Lombardo_, t. iii., ser. ii., p. 23.]

[Footnote 1235: Denning, _Memoirs Roy. Astr. Soc._, vol. liii., p. 214; Abelmann, _Astr. Nach._, No. 3,516.]

[Footnote 1236: _Proc. Roy. Soc._, March 2, 1899; _Nature_, November 9, 1899.]

[Footnote 1237: Berberich, _Astr. Nach._, No. 3,526.]

[Footnote 1238: Elkin, _Astroph. Jour._, vol. ix., p. 22.]

[Footnote 1239: Elkin, _Astroph. Jour._, vol. x., p. 24.]

[Footnote 1240: _Pop. Astr._, September, 1897, p. 232.]

[Footnote 1241: _Month. Not._, vol. xx., p. 336.]

[Footnote 1242: _Revue des deux Mondes_, December 15, 1885, p. 889.]

[Footnote 1243: Palgrave, _Phil. Trans._, vol. cxxv., p. 175.]

[Footnote 1244: W. E. Hidden, _Century Mag._, vol. x.x.xiv., p. 534.]

[Footnote 1245: _Amer. Jour. of Science_, vol. x.x.xvi., p. i., 1888.]

[Footnote 1246: _Revue des Questions Scientifiques_, January, 1899, p.

194; Tisserand, _Bull. Astr._, t. viii., p. 460.]

[Footnote 1247: _Month. Not._, vol. xlv., p. 93.]

[Footnote 1248: _Observatory_, vol. viii., p. 4.]

[Footnote 1249: Denning, _Month. Not._, vol. x.x.xviii., p. 114.]

[Footnote 1250: _Comptes Rendus_, t. cix., p. 344.]

[Footnote 1251: _Month. Not._, vol. lix., p. 140.]

[Footnote 1252: _Bull. de l'Acad. St. Petersb._, t. xii., p. 95.]

[Footnote 1253: _Publ. Astr. Pac. Soc._, vol. iii., p. 114.]

[Footnote 1254: _Month. Not._, vol. lii., p. 341.]

[Footnote 1255: _Astr. Nach._, No. 1,488.]

[Footnote 1256: _Annuaire_, Paris, 1883, p. 185.]

[Footnote 1257: _Phil. Trans._, vol. clviii., p. 556.]

[Footnote 1258: Ha.s.selberg, _Mem. de l'Ac. Imp. de St. Petersbourg_, t.

xxviii. (7th ser.), No. 2, p. 66.]