818 



Gypsum at Iquique with salt, ii., 127. 

 at Limawitli shells, ii., 134. 



Ilachette, M., on lightning-tubes, i., 



77. 

 Hailstorm, i., 147. 

 Hall, Capt., Basil, on terraces of Co- 



quinibo, li., 9'J. 

 Hare, Varying, i., 58. 

 Head, Capt., on thistle-beds, i., 152, 



157. 

 Height of snow-line on Cordillera, i., 



315. 

 Heiislow, Prof., on potatoes, li., 23. 

 , on plants of Keeling 



Island, ii., 245 

 Htruiit crabs, ii., 248. 

 Hill, emitting a noise, ii., 123. 

 Himantopus, i., 146. 

 Hogoleu barrier-reef, ii., 265. 

 Holes made by a bird, i., 122. 

 Holinaii on drifted seeds, li., 245. 

 Holuthunie feeding on coral, u., 259. 

 Hooker, Sir J , on the Cariioon,i.,152. 



, Ur. J. D., on the Kelp,i.,307. 



, on Galapageian 



plants, li., 164, 165, 169. 

 Horn, Cape, i., 272. 

 Horner, Mr., on a calcareous deposit, 



I., 12. 

 Horse-fly, i., 218. 

 Horses difficult to drive, i., 141. 

 drop excrement on paths, i., 



152. 

 killed by great droughts, i., 



170. 



, multiplication of, i., 299. 



broken in, i., 193. 



Horse, powers of swimming of, i.,182. 

 wild at the Falkland Islands, 



i., 245. 



, fossil, i., 104, 165. 



Horsemanship of the Gauchos, i., 



195, 251. 

 Hot springs of Cauquenes, i., 339. 

 Huacas, ii., 133, 135. 

 Humboldt on burnished rocks, i., 16. 

 on the atmosphere in trop- 

 ics, i., 40. 



on frozen soil, i., 113. 



on hybernation, i., 125. 



on potatoes, ii., 23. 



on earthquakes and rain, 



ii., 110. 



on miasma, ii., 130, 220. 



Humming-birds of Rio de Janeiro, i., 



40. 



of Chile, i., 350. 



Hvbernation of animals, i., 125. 



Tlydrochaerus capybara, i., 63. 

 Hydrophobia, ii., 113. 

 Hyla, i.,37. 

 Hymenophallus, i., 41. 



.Tackson, Col., on frozen snow, ii., 75. 

 Jaguar, habits of, i., 172. 

 Jajuel, mines of, i., 334. 

 James Island, Galapagos Archipela- 

 go, ii., 143. 

 Juan Fernandez, volcano of, ii., 57. 

 , flora of, II., 165. 



Ibis melanops, i., 212. 



Ice, prismatic structure of, ii., 75. 



Icebergs, i., 240, 289, 316-324. 



Incas' bridge, ii., 88, 117. 



Incrustations on coast rocks, i.,12, 16. 



Indian fossil remains, ii., 135. 



Indians, attacks of, i., 81, 98, 164. 



, Patagonians, i., 298. 



, Araucarians, ii., 42. 



of the Pampas, i., 129. 



of Valdivia, ii., 42. 



, perforated stones used by, i., 



345. 



, powers of tmcking, ii., 79. 



, grave of, i., 217, 240. 



, ruins of bouses of, in Cor- 

 dillera, ii., 116, 133. 



, antiquities of, in La Plata, 



i., 58, 134. 



, decrease in numbers, i., 133. 



Infection, ii., 220. 



Infusoria in dust in the Atlantic, i., 6. 



in the sea, i., 18, 208. 



in P.ampas, i., 105, 165. 



in Patagonia, i., 219. 



in white paint, i., 284. 



in coral mud, ii., 259. 



at Ascension, ii., 297. 



Insects, first colonists of St. Paul's 

 rocks, i , 13. 



blown out to sea, i., 204. 



of Patagonia, i., 218, ii , 79. 



of Tierra del Fuego, i., 306, 



307. 



of Galapagos, ii., 150, 164, 



169. 



of Keeling Island, ii., 247. 



of St. Helena, ii., 290, 291. 



Instincts of birds, i., 122, ii., 172. 



Iodine with salt at Iquique, ii., 128. 



Iquique, ii., 124. 



Irim, oxide of, on rocks, i., 16. 



Islands, oceanic, volcanic, i., 10 



, floating, i., 342. 



, Antarctic, i., 319. 



, low, ii., 177, 262. 



