L 



world, 48; inscription on his monu- 

 ment at Upton, 71; satellites of 

 Saturn, 81; diameters of comets, 

 SQ; on the comet of 1811, 88; star 

 gaugings, 140; starless space, 141, 

 142; time required for light to pass 

 lo the earth from the remotest lumi- 

 nous vapour, 144. 



Herschel, Sir John, Letter on Ma- 

 gellanic Clouds, 69; Satellites of Sa- 

 turn, 81 ; orbits of the Satellites of 

 Uranus, 83 ; diameter of Nehulous 

 stars, 130; Stellar Milky Way, 141 ; 

 light of isolated starry clusters, 142; 

 observed at the Cape, the star 77 in 

 Argo increase in splendour, 144; 

 invariability of the magnetic decli- 

 nation in the West Indies, 1 74. 



Hesiod, dimensions of the Universe, 

 144. 



Hevelius, on the comet of 1618, 91 



Hibbert, Dr., on the Lake of Laach. 

 See note by Translator, 215. 



Himalayas, the, their altitude, 7 ; sce- 

 nery and vegetation, 8, 9 ; tempera- 

 ture, 9 ; variations of the snow line, 

 on their northern and southern de- 

 clivities, 9 12, 338. 



Hind, Mr., planets discovered by. See 

 Translator's note, 74, 76. 



Hindoo civilization, its primitive seat, 

 14, 15. 



Hippalos, or monsoons, 322, 323. 



Hippocrates, his erroneous supposition 

 that the land of Scythia is an ele- 

 vated table land, 355. 



Hoff, numerical enquiries on the dis- 

 tribution of earthquakes throughout 

 the year, 202. 



Hoffman, Friedrich, observations on 

 earthquakes, 201,202; on eruption 

 fissures in the Lipari Islands, 237 



Holberg, his Satire, ' Travels of Nic. 

 Klimius, in the world underground.' 

 See Translator's note, 164. 



Hood, on the Aurora, 195, 196. 



Hooke, Robert, pulsations in the 

 tails of comets, 133; his anticipa- 

 tion of the application of botanical 

 and zoological evidence to deter- 

 mine the relative age of rocks. 272 

 274 



Ho-tsings, Chinese fire-springs, their 

 depth, 149; chemical composition, 

 214. 



Howard, on the climate of London, 

 113; mean annual quantity of raiii in 

 London, 341. 



Hiigel, Carl Von, on the elevation of 

 the valley of Kashmir, 12; on the 

 snow line of the Himalayas, 338. 

 Humboldt, Alexander Von, works by, 

 referred to in various notes : 

 Annales de Chimie et de Phy~ 



sique, 9, 310. 



Annales des Sciences Naturelles, 7. 

 Ansichten der Natur, 350, 352, 



356. 

 Asie Centrnle. 7, 9, 12, 102, 149, 



150, 173, 200, 214, 216, 222, 



244, 2*1, 252, 260, 293296, 



301, 30'j, 306, 308 311, 326, 



329, 331, 337, 838, 342, 359, 



366. 

 Atlas Geographiqne et Physique 



du Nonveau Continent, 12,248. 

 De distributione Geograpnica 



Plantarum, secundum cceli tem- 



periem, et altitudinem Mon- 



tiurn, 12. 295, 330. 

 Examen critique de 1'Histoire de 



la Geographic, 40, 173, 175, 



225, 293, 296, 312, 313, 316, 



322, 366. 

 Essai Geognostique sur le Gise- 



ment des Roches, 228, 252, 267, 



305. 

 Essai Politique sur la Nouvelle 



Espagne, 117, 238. 

 Essai sur la Geographic des 



Plantes,12, 228, 321. 

 Flora Friburgensis Subterranea, 



348, 349, 355. 



Journal de Physique, 171, 296. 

 Lettre au Due de Sussex, sur les 



Moyens propres a, perfectionner 



la connaissance du Magnetisme 



Terrestre, 170, 186. 

 Monumens des Peuples Indigenes 



de 1'Amerique, 129, 130 

 Nouvelles Annales des Voyages 



312. 

 Recueil d'Observations Astrono- 



miques, 7, 159, 334. 

 Recueil d'Observations de Zoo- 



Jrgie et d'Anatomie Comparee, 



214,230. 

 Relation Historique du Voyage 



aux Regions equinoxiales, 98, 



99, 100, 106, 110, 114, 118, 



