GENERAL INDEX. 



085 



Features, comparative structural, of the 



Appalachians and Alps, 

 Feeder, new steam-boiler, 

 IVc.lins; strain-boiler-, apparatus for, 

 Fence for fields liable to be overflowed, 99 

 IVuclitwanirer, Dr. L., 92, 2.Y.) 



Fibre of cotton incapable of being dyed, 176 

 Fictile purposes, calcined granite for, 

 Fields liable to be overflowed, fence for, 99 

 Fire-annihilator, 101 



Fire jugglers, explanation of the tricks 



of, 



Fire-proof paint, Blake's, 93 



Fires in mines, carbonic acid for extin- 

 guishing, 191 

 Fizeau, M., 145 

 Fishes, new, from Lake Superior, 



" new genus of, 309 



" ribbon. 3 JO 



Flame, candle, nature of, 154 



" conducting power of, 112 



Flexible ivory, 211 



Floating filtering-pump, 56 



Flora, Alpine, of Alt. Washington, 



Flour, experiments on, 130 



" improvement in making, 61 



Flowers, peculiarities of, 297 



Fluids, burning, experiments on, 192 



Fluorine in the waters of the Friths of 



Forth and Clyde, 201 



Fogs, use of colored glasses in, 

 Footprints, fossil, in Texas, 260 



in the old red sandstone, 

 Forchhammer, Prof., 

 Formation, artificial, of minerals, 



" emery, in Asia Minor, 2i>5 



" coal, in America, 271 



" of fresh-water ponds on the 



coast, 



Formations, coal, in the Pacific, 

 Forester, Joseph J., 185 



Foskit, Mr., 



Fossil ape, 284 



" bones of the birds of New Zeal- 

 and. 278 

 " from New Zealand, 

 " bovine animals of Scandinavia, 283 

 " crinoids of the United States, 

 " elephant from Africa, 

 " " " Vermont, 

 " footprints in Texas, 280 

 " remains in the Connecticut val- 

 ley, 282 

 " rhinoceros of Siberia, 

 " reptile, discovery of another, 

 " whale in Vermont, 285 

 Fossils, drift, from Xantucket, 



" interesting, 

 Foster, Mr., 



Foucault, M., 105, 106 



Foudrinier, Mr., 60 



Frame, human, electricity of, 114 



France. American bison in, 

 Frankland, M., 194 



Fraud in gold pens, 



Freezing of alcohol. 205 



French African exploring expedition, 353 

 Frescos, substitute for, 

 Fresh- water cottus of N. America, 



on beaches and islands, 247 



33 



Fresh- water ponds, formation of, on the 



coast, 249 



Friction of water, J54 



Friths of Forth and Clyde, fluorine in, 201 

 Frogs, nervous system of, 329 



Furhs, M., 1)4 



Fungi, microscopic, in food, 320 



Fuse, safety, for boilers. 25 



Gaboon, Africa, enge-ena from, 315 



Gage, steam and water, 26 



Galena, argentiferous, 263 



Galvanic light, polarization of, 108 



Gas, hydrogen, inhalation of, 166 



" new material for the production of, 194 

 Gaseous bodies, propagation of electri- 

 city in, 111 

 Gasometer, new, 64 

 Gasparis, M., 341 

 Genera of mosasaurus, 288 

 Generator, steam, 23 

 GesHis, new, of fishes, 309 

 Geological formations, influence of the 



tides on, 244 



" surveys of the U. S., 222 



Geology of Charleston, S. C., 230 



ofScinde, 238 



of the gold regions of California, 222 



" of the Mississippi valley, 226 



of the Pacific, 238 



German Ocean, fluorine in the waters of, 201 



284, 287 

 318 

 288 

 275 

 21 

 251 

 206 

 142 



Gervais, M. Paul, 

 Ghilanes, 

 Gibbes, Dr., 

 Gibbon, J. H., 

 Girder bridge, 



Glacier of Pindar, motion of, 

 Glass, improvement in silvering, 

 " pictures on, 



vessels, hermetically sealed, mer- 

 cury in, 208 

 Glasses, colored, use of, in fogs, 149 

 Glonoine, effect* of, 217 

 Goitre and cretinism, cause of, 202 

 Gold, British, 92 

 " California, analysis of, 255 

 " discoveries in Africa, 257 

 " dust from California, 256 

 " mines of Siberia, 257 

 " ore, distribution of, 253 

 " pens, fraud in, 



" regions of California, geology of, 222 



Grain, process for drying, 182 



" separators, improvement in, 60 



Grange, M., 202 

 Granite, calcined, for fictile purposes, 

 Grape culture, near Cincinnati, 



Gravier, M. Coulvier, 339 



Gray. Prof., 292 

 Great dam at Hadley Falls, 



" Russian Railway, 



Green tea, coloring of, 304 



Greener, Mr., 80, 1H3 



Grove, W. R., 103, 138 



: Gun-casting, improvement in, 48 



Gun-cotton, 29,206 



" in silvering mirrors, 207 

 " harpoon, 

 " new, 



Gurney, Mr.. 194 



