Index. 



635 



EGGS 



Eggs of turtle at Ascension, 57 



— of birds embedded at St. Helena, 

 100 



Ehrenberg, Prof., on infusoria in 

 the Pampean formation, 321, 

 328, 333 



— on infusoria in the Patagonian 

 formation, 373, 374, 377, 385, 

 387 



Ejected fragments at Ascension, 47 



— at the Galapagos Archipelago, 

 125 



Elevation of St. Helena, 103 



— the Galapagos Archipelago, 130 



— of volcanic islands, 144 



— Van Diemen's Land, Cape of 

 Good Hope, New Zealand, Aus- 

 tralia, and Chatham Island, 158 



— La Plata, 189 



— Brazil, 193 



— Bahia Blanca, 193, 324 



— San Bias, 196 



— Patagonia, 196, 213, 215 



— Tierra del Fuego, 208 



— Falkland Islands, 210 



— Pampas, 211, 358 



— Chonos Archipelago, 232 



— Chiloe, 233 



— Chile, 235 



— Valparaiso, 239, 245 



— Coquimbo, 247, 261 



— Guasco, 261 



— Iquique, 265 



— Cobija, 264 



— Lima, 266 



— sudden, at S. Maria, 216 



— at Lemus, 232 



— insensible, at Chiloe, 234 



— insensible, at Valparaiso, 246 



— insensible, at Coquimbo, 251 



— axes of, at Chiloe, 397, 407 



— axes of, at P. Rumena, 397, 

 408 



— axes of, at Concepcion, 399, 407 



— unfavourable for the accumu- 

 lation of permanent deposits, 

 415 



— lines of, parallel to cleavage and 

 foliation, 426, 429, 433, 434, 441, 

 447, 453, 458, 464 



— lines of, oblique to foliation, 453 



28 



FELDSPAR 



Elevation, areas of, causing lines 

 of elevation and cleavage, 469 



— lines of, in the Cordillera, 472 



— slow, in the Portillo range, 498 



— two periods of, in Cordillera of 

 Central Chile, 499 



— of the Uspallata range, 528 



— two periods of, in Cumbre Pass, 

 531 



— horizontal, in the Cordillera of 

 Copiapo, 572 



— axes of, coincident with vol- 

 canic orifices, 577 



— of the Cordillera, summary on, 

 589, 593, 601 



Elliott, Capt , on human remains, 



193 

 Ellis, Rev. W., on marine remains 



at Otaheite, 32 



— on ledges within the great cra- 

 ter at Hawaii, 94 



Ensenada, elevated shells of, 191 

 Eutre Bios, geology of, 334 

 Eqims curvidens, 336, 362 

 Epidote in T. del Fuego, 444 



— in gneiss, 459 



— frequent in Chile, 475 



— in the Uspallata range, 529 



— in porphyry of Coquimbo, 541 

 Erman, M., on andesite, 480 

 Eruption, fissures of, 131, 142, 145 

 Escarpments, recent, of Patagonia, 



228 

 Extinction of land shells at St. 

 Helena, 102 



— of fossil mammifers, 346 



FALKLAND Islands, elevation 

 of, 210 



— pebbles on coast, 223, 225 



— geology of, 440 



Falkner on saline incrustations, 



306 

 Faraday, Mr., on the expulsion of 



carbonic acid gas, 9 

 Faults, great, in Cordillera, 487, 



574 

 Feldspar, Labrador, ejected, 47 



— fusibility of, 138 



— in radiating: crvstals 166 



