512 
INDEX. 
Gravel, how far transported, 108 
of Patagonia, 75, 171 
Greenstone, fragments of, 257 
Gryllus migratorius, 329 
Guanaco, habits of, 166 
, fossil allied genus, 172 
Guantajaya, mines of, 363 
Guardia del Monte, 118 
Guasco, 348 
Guasos of Chile, 258 
Guava, imported into Tahiti, 403 
Guinea-fowl, 5, 493 
Gunnera scabra, 278 
Gypsum, great beds of, 319 
in salt-lake, 66 
———in Patagonian tertiary- 
beds, 171 
at Iquique with salt, 364 
at Lima with shells, 369 
Hachette, M., on lightning-tubes, 60 
Hailstorm, 115 
Hall, Capt. Basil, on terraces of Co- 
quimbo, 343 
Hare, Varying, 45 
Head, Capt., on thistle-beds, 119, 124 
Height of snow-line on Cordillera, 
244 
Henslow, Prof., on potatoes, 285 
——__——,, on plants of Keeling 
Island, 454 
Hermit crabs, 457 
Hill, emitting a noise, 361 
Himantopus, 114 
Hogoleu barrier-reef, 469 
Holes made by a bird, 95 
Holman on drifted seeds, 454 
Holuthurie feeding on coral, 465 
Hooker, Sir J., on the Cardoon, 119 
, Dr. J. D., on the Kelp, 239 
, on Galapageian 
plants, 392, 395 
Horn, Cape, 211 
Horner, Mr., on a calcareous deposit, 
10 
Horse-fly, 170 
Horses difficult to drive, 110 
drop excrement on paths, 119 
killed by great droughts, 134 
, multiplication of, 233 
broken in, 151 
Horse, powers of swimming of, 143 
wild at the Falkland Islands, 
191 
Horse, fossil, 82, 130 
Horsemanship of the Gauchos, 153, 
195 
Hot springs of Cauquenes, 263 
Huacas, 368, 370 
Humboldt on burnished rocks, 12 
on the atmosphere in 
tropics, 32 i 
’ ———— on frozen soil, 88 
on hybernation, 98 
on potatoes, 285 
on earthquakes and rain, 
351 
———_— on miasma, 366, 435 
Humming-birds of Rio de Janeiro, 32 
—_——— of Chile, 271 
Hybernation of animals, 98 
Hydrocherus capybara, 49 
Hydrophobia, 353 
Hyla, 29 
Hymenophallus, 32 
Jackson, Col., on frozen snow, 325 
Jaguar, habits of, 135 
Jajuel, mines of, 259 
James Island, Galapagos Archipe- 
lago, 376 
Juan Fernandez, volcano of, 310 
» flora of, 392 
Tbis melanops, 165 
Ice, prismatic structure of, 325 
Icebergs, 187, 224, 246 to 251 
Incas’ bridge, 334, 356 
Incrustations on coast rocks, 9, 12 
Indian fossil remains, 370 
Indians, attacks of, 64, 77, 129 
» Patagonians, 231 
, Araucarians, 299 
of the Pampas, 100 
of Valdivia, 299 
perforated stones used by, 267 
, powers of tracking, 328 
» grave of, 169, 187 
, Tuins of houses of, in Cor- 
dillera, 356, 368 
, antiquities of, in La Plata, 
46, 105 
decrease in numbers, 104 
Infection, 435 
Infusoria in dust in the Atlantic, 5 
in the sea, 15, 162 
in Pampas, 82, 130 
| ———— in Patagonia, 170 
