INDEX OF AUTHORS. 405 



Description of two Species of Scutella 13 



Four New Species of fossil Echinodermata 52 



Geological Explorations in Mexico 244 



Richthofen, Baron F. — On Natural System of Volcanic Rocks 356 



Rovvell, Rev. J. — Description of Gundlachia Californica 21 



On Pisidium angelicum 353 



Scudder, S. H. — Letter concerning Californian Butterflies 4V 



Sharkey, Dr. J. M. — On fibrous Plants of Nicaragua 401 



Silliman, Prof. B.— Gold and Silver of Whisky and Quail Hills 349 



Localities of Diamonds in California 354 



Localities of Tellurids in California 378 



Glauberite at Borax Lake 399 



Stearns, R. E. C— Shells of Baulines Bay 275 



Shells of Santa Barbara and San Diego 283 



Obituary of R, Kennicott 298 



Vitality of a Snail 328 



On Orthagoriscus analis  341 



On Helix Ayresiana 341 



Shells of Santa Barbara, etc 343 



Shells of Purissima, and Lobitas 345 



On Exhibition of Parhelia 353 



Shells of Bodega Bay 382 



Shells of Alaska.. 384 



Trask, Dr. J. B. — Earthquakes in California during 1863, 1864 127 



Earthquakes in California from 1800 to 1864 131 



Earthquakes in California during 1864 1 90 



Earthquakes in California during 1865 239 



Whitney, Prof. J. D. — On the inaccuracy of the Eighth Census, so far as it 



relates to the Metallic and Mineral Statistics of the United States, 6 



Remarks on Japanese Minerals and Fossils 15 



On the Progress of the Geological Survey of California 23 



Analysis of Meteoric Iron, (Brush) 30, 34 



On Meteoric Iron from Arizona 48, 240 



On Meteorites of Pacific Coast 240 



On Remond's Explorations in Northern Mexico 243 



On Geology of Nevada 266 



On Absence of Drift in California 271 



Human Skull from Calaveras County 277 



Tungstate of Lime and Copper 287 



Silurian Series of Nevada 3C7 



Tertiary Fossils of Nevada 309 



Triassic Fossils of Chili 311 



Liassic Fossils of Chili 311 



Tertiary Fossils of Chili 311 



Cretaceous Fossils of Chili 311 



Infusorial Deposits «■ 319 



The Highest Mountain of North America 325 



On Coal of Webber Canon 341 



On Salt from Muddy River 341 



