Index, 



631 



BRODERIP 



Broderip, Mr., on elevated shells 

 from Concepcion, 238 



Brown, Mr. R., on sphasrulitic bo- 

 dies in silicified wood, 70 



— on extinct plants from Van 

 Diemen's Land, 157 



— on silicified wood of Uspallata 

 range, 527 



— on silicified wood, 563 

 Bucalema, elevated shells near, 239 

 Buch, Yon, on obsidian streams, 73 



— on laminated lava, 75 



— on superficial calcareous beds 

 in the Canary Islands, 100 



— on cavernous lava, 116 



— on olivine in basalt, 118 



— on crystals sinking in obsidian, 

 132 



— on central volcano, 143 



— on cleavage, 464 



— on cretaceous fossils of the Cor- 

 dillera, 491, 511 



— on the sulphureous volcanos of 

 Java, 587 



Buenos Ayres, 315 



Burchell, Mr., on elevated shells of 



Brazil, 193 

 Byron on elevated shells, 232 



OACHAPUAL, boulders in valley 

 of, 293, 296 

 Caldcleugh, Mr., on elevation of 

 Coquimbo, 251 



— on rocks of the Portillo range, 

 495 



Callao, elevation near, 266 



— old town of, 272 

 Calcareous deposit at St. Jago, af- 

 fected by heat, 5-9 



— fibrous matter, entangled in 

 streaks in scoriae, 15 



— freestone at Ascension, 56 



— incrustations at Ascension, 58 



— sandstone at St. Helena, 98 



— superficial beds at KingGeorge's 

 Sound, 161 



Cape of Good Hope, 166 



— metamorphic rocks of, 465 

 Carbonic acid, expulsion of, by 



heat, 9, 18 



CLAYS LATE 



CarcJiaHas rnegalodon, 403 

 Carmichael, Capt., on glossy coat- 

 ings to dikes, 87 

 Carpenter, Dr., on microscopic or- 

 ganisms, 314 

 Castro (Chiloe), beds near, 390 

 Casts, calcareous, of branches, 163 

 Cauquenes Baths, boulders near, 

 293, 297 



— pebbles in porphyry near, 472 

 — volcanic formation near, 480 



— stratification near, 483 



Caves above sea-level, 233, 239, 

 264 



Cerithium (fossil), 171 



Cervus pumilis, fossil horns of, 235 



Chalcedonic nodules, 157 



Chalcedony in basalt and in silici- 

 fied wood, 54 



Chatham Island, 111, 119, 130, 141, 

 160 



Chevalier, M., on elevation near 

 Lima, 266 



Chile, elevation of coast, 235 



— structure of country between 

 the Cordillera and the Pacific, 

 283 



— tertiary formations of, 390 



— crystalline rocks in, 459 



— central, geology of, 471 



— northern, geology of, 535 

 Chiloe, gravel on coast, 217 



— elevation of, 233 



— tertiary formation of, 390, 407 



— crystalline rocks of, 456 

 Chlorite-schist, near M. Video, 431 

 Chlorophaaite, 156 



Chonos Archipelago, tertiary for- 

 mations of, 389 



— crystalline rocks of, 450 

 Chupat Bio, scorias transported bv, 



194 

 Clarke, Rev. W., on the Cape of 



Good Hope, 159, 166 

 Claro Rio, fossiliferous beds of, 546 

 Clay shale of Los Hornos, 537 

 Clayslate, its decomposition and 



junction with granite, at the 



Cape of Good Hope, 167 



— formation of, T. del Fuego, 441 



— of Concepcion, 457 



