INDEX. 453 



Page. 



Sierra de los Miinbres 276 



Sierra Madre, Remarks respecting 273 



Sierra Madre, Erroneous Idea entertained of 277 



Sierra Nevada , • 84 



Signal Circuits and Boxes 151 



Silliman's Journal 229 



Silliinan's Journal, Explanation of Storms in ] 99 



Silk, Cotton Seeds of , 43 



Silver Garfisli 346 



Sil verside 338 



Silver Perch 331 



Simms, W. Gilmore, Lectures by.- 28 



Simonton, J. W 72 



Simpson, Captain 83 



Sinaloa, Coast Eauge of 279 



Singer, Lieutenant 93 



Sing Sing, New York 42,88 



Sing Sing, White Perch at 322 



Siskowit, Habits 283 



Sitgreaves, Captain 83, P9, 94 



Sixteenth Century, State of Society in 123 



Size of the Camel 113 



Sizzi, an Astronomer of Florence 137 



Skin of Sperm Whale 45 



Sky covered by Clouds at Philadelphia ' 223 



Smith, Captain E. K 45 



Smith, Commodore 39, 45 



Smith, J. Lawrence, Investigations by, in Laboratory 18 



Smith, Dr. J. Lawrence, Lectures by 2-3, 29 



Smithson, James, Proceeds of Bequest of,.,-, 62 



Smirhson, James, Personal Effects of 70 



Smithson, James, Analysis of Specimens of Meteorites belonging to Cabinet of 18 



Smithsonian Bequest 57 



Smithsonian Contributions, Distribution of Volume VI 36 



Smith's Sound 92 



Snakes 33 



Snapping Turtle 39 



Snow, Effects of 246 



Societies meeting in Smithsonian Building 27 



Society in the Sixteenth Century 123 



Society of Arts, London, Models, &c., from 26 



Socorro Mountains 276,2^8 



Soft and Salt Water 188 



Solar Eclipse of May 26, 1854, Account of 1~ 



Solar Eclipse of November 30, 1853 91 



Solar Eclipses, Map of, by Professor Coffin 1'? 



Solar System more Complex than supposed 140 



Solfatara, on Northern Side of Lower Colorado 281 



Solinus, Mistranslation by 102 



