INDEX. 407 



Remains organic, 43 



in coal formations, 76 



vegetable, 80 



Remarks on the composition and properties of the Greek fire, 



302 

 Rust, preservation from, 398 



Sal ammoniac, 396 



Salem alum, &,c. manufactory of, 372 



Salt springs, on the origin of, 242 



Salt Petre, 400 



Sandstone, old red, 39 



Sardonyx, 216 



Science, natural — new Journal of, 379 



Sea water, colour of, 198 



Seybert, Henry, Mr. his analysis of a manganesian garnet, 156 



vindication of his claim to the discovery of 



fluoric acid in the condrodite, 168, 356 



— his analysis of the glassy actynolite of Con- 



cord, 331 



Shillaber, John, Mr. his description of a mermaid, 195 

 Sienite, 28 



Skeletons of the mammoth and elephant, 386 

 Sketch of the min. and geol. of the regions on the Connecticut, 

 " 1, and 201 

 Slate, hornblende, 20 



, mica, 22 



, talcose, 26 



Snow balls, 162 



Staurotide, 219 



Steam boat, on the lake of Geneva, 386 



Steatite, analysis of, 333 



Steel, 3,95 



— — , cut by soft iron, 336 



Stilbite, 224 



Stones rolled, 85 



, meteoric composition of, 397 



Stuart, J. Mr. his localities of minerals, 24? 

 Sugar from beets, 388 

 Switzerland, 391 



T. 



Talcose slate, 26 



Taylor Steuben, Mr. localities of minerals, 245 



