630 



Index. 



AZARA 



Azara laliata, beds of, at San 



Pedro, 191, 316 

 Azores, 28, 111 



jn AC ULITES vagina, 400, 407 

 -*-* Bahia .Blanca, elevation of, 

 193 



— formations near, 321 



— character of living shells of, 

 413 



Bahia (Brazil), dikes at, 139 



— elevation near, 193 



— crystalline rocks of, 422 

 Bailly, M., on the mountains of 



Mauritius, 34 



Bald Head, 1G1 



Ballard, M., on the precipitation of 

 sulphate of soda, 310 



Banda Oriental, tertiary forma- 

 tions of, 337 



— crvstalline rocks of, 428 

 Banks Cove, 117, 121 

 Barnacles above sea-level, 238, 246 



— adhering to upraised shells, 238 

 Barn, The, St. Helena, 86 

 Basalt, specific gravitv of, 136 



— of S. Cruz, 381 



■ — streams of, in the Portillo range, 

 495 



— in the Uspallata range, 524 

 Basaltic coast mountains at St. 



Jago, 21 



— at Mauritius, 35 



— at St. Helena, 91 

 Basin chains of Chile, 283 

 Beagle Channel, 446, 450 

 Beaumont, Elie de, on laminated 



dikes, 79 

 ■ — on inclination of lava-streams, 



106, 384, 497 

 . — on dikes indicating elevation, 



107 



— on circular subsidences in lava, 

 116 



— on viscid quartz-rock, 529 

 Beech-tree, leaves of fossil, 386 

 Beechey, Capt., on sea-bottom, 225 

 Belcher, Lieut., on elevated shells 



from Concepcion, 238 

 Bella Vista, plain of, 270 



BREWSTER 



Benza, Dr., on decomposed granite, 



427 

 Bermuda, calcareous rocks of, 162, 



165 

 Bettington, Mr., on quadrupeds 



transported by rivers, 353 

 Beudant, M., on silex in trachyte, 



77 



— on bombs, 43, 45 



— on jasper, 54 



— on obsidian of Hungary, 72 



— on laminated trachyte, 77 

 Blake,Mr.,onthedecayof elevated 



shells near Iquique, 265 



— on nitrate of soda, 305 

 Bole, 156, 474 



Bollaert, Mr., on mines of Iquique, 



577 

 Bombs, volcanic, 42, 554 

 Bones, silicified, 403 



— fossil, fresh condition of, 339 

 Bory, St. Vincent, on bombs, 44 

 Bottom of sea off Patagonia, 214, 



224 

 Bougainville, on elevation of the 



Falkland Islands, 210 

 Boulder formation of S. Cruz, 202, 



219 



— of Falkland Islands, 210 



— anteriorto certain extinct quad- 

 rupeds, 348 



— of T. del Fuego, 385 

 Boulders, absence in Australia and 



the Cape of Good Hope, 170 



— of greenstone in New Zealand, 

 170 



— in the Cordillera, 294, 296 



— transported by earthquake- 

 waves, 301 



— in fine-grained tertiary deposits, 

 401 



Brande, Mr., on a mineral spring, 

 505 



Brattle Island, 123 



Bravais, M., on elevation of Scan- 

 dinavia, 261 



Brazil, elevation of, 193 



— crystalline rocks of, 422, 429 

 Brewster, Sir D., on a calcareo- 



animal substance, 62 



— on decomposed glass, 148 



