418 



ANNUAL OF SCIENTIFIC DISCOVERY. 



Diet, salt, influence of, on the animal 



economy, 192 



Difference between dry and moistened 



fodder, 193 



Diffusion of liquids, 222 



Dilatation, forced, of liquids, phenome- 

 na of, 156 

 Directions for the preparation of a 

 mineral blue paint employed by the 

 ancients. 213 

 Discoloration' of silver by boiled eggs, 250 

 Discoveries of gold in 1S50, 292 

 " relating to peat, 205 

 Discovery of a living specimen of a bird 



supposed to be extinct, 3-14 

 " of a second satellite of Nep- 

 tune, 3G5 

 Disease, geographical distribution of, 359 

 in potatoes, means of checking, 199 

 potato, cause of, 326 

 Diseases, connection of ozone with, 243 

 " incident to the employment 



of phosphorus, 361 



Disinfectant, chloroform as, 217 



Disinfecting compound, new, 217 



Dissemination, atmospheric, of algous 



plants, 324 



Distilling mercury, improvement in, 77 



" salt water, improvements in, 62 



Distribution, general, of iodine, 1S1 



geographical, of health 



and disease, 359 



of shells as regards size, 330 



" of simple bodies in nature, 168 



Diving apparatus, 64 



Dodo, remains of, 345 



Domestication of fishes, 336 



DONISTHORPE AND MlLNES, 6 



DONKIN&CO., 63 



Doors, air-spring for, 64 



" new method of constructing, 66 



Double-piston steam-engine, 5 



Dove's maps of the isothermal lines of 



the globe, 377 



DOWLER,DR., 351 



DRACH, S. M., 152 



Drainage, subsidence caused by, 252 



DRESSER, C. L., Ill 



Drift deposits of the Northwest, 260 



" period, changes of level in Ameri- 

 ca during, 252 

 Drier, grain, 36 

 BUREAU DE LA MALLE, M., 345 

 DUFRENOY, M., 167 

 DUJARDIN, FELIX, 333 

 Durability of stone, 259 

 DUROCHER, M., 175, 177 

 Dust, fall of, 342 

 " prevention of, on railways, 27 

 Dynamic phenomena of the Leyden jar, 127 

 Dynamics of earthquakes, 273 

 Earth, application of the electro-chrono- 

 graph to the determination of 

 the figure and density of, 123 

 periods of vegetation occupying 



the surface of, 317 



protrusion of icy columns from 



certain kinds of, 157 



relation of the lunar surface to 

 that of, 2S3 



Earthquake at Brusa, 

 " " Cleveland, 



" " sea, 



" " Smyrna, 



Earthquakes, dynamics of, 

 East India diamond, 



278 

 278 

 278 

 273 

 273 

 307 



Economy, animal, influence of salt diet 



upon, ' 192 



EDWARDS, D. O., 51 



Effect of nitric acid upon bones and flesh, 195 

 " of pressure in lowering the freez- 

 ing point of water, 156 

 " of shot and shells upon the hulls 



of iron vessels, 91 



of water on polarized light, 140 



" poisonous, of zinc, 177 



Effects of atmospheric electricity upon 



the wires of the telegraph, 117 



Effluvia-trap, G7 



Egeria, 365 



Eggs, boiled, discoloration of silver by, 250 



" freezing of the albumen of, 220 



" weight and value of, 339 



EHRENBERG, M., 329, 342 



Electric spark, intensity of, 128 



Electrical excitation, use of gutta-percha 



as a means of, 130 



" machine, means of causing, 



to work in all weathers, 125 



" phenomena, curious, 12.9 



Electricity and heat as motive powers, 110 



atmospheric, 118 



" effect of, upon 



telegraph wires, 117 



" lamp-lighting by, 125 



" velocity of, 126 



Electro-chronograph, application of, to 

 the determination of the figure and 

 density of the earth, 123 



Electro-dynamometer, 125 



Electro-chemical telegraph, 118 



Electro-magnetism, application of, as a 



motive power, 108 

 " " Page's experiments 



on, 104 



Electro-thermic telegraph, 119 



Electrotype process, application of, to 

 the preservation of insects, flowers, 

 &c., 131 



Elephas, northern fossil, 312 



ELIAS, M., 135 



ELIE DE BEAUMONT, M., 167, 168 



ELLIOT, HON. S. A., 154 



ELSNER, M., 74, 98, 99 



Embalming process, secret of, 209 



Emery, geology and mineralogy of, 301 

 EMMONS, DR., 304 



Engine, double-piston steam, 5 



for street locomotion, 15 



new marine, 6 



oscillating, improved, 5 



oscillation locomotive, 15 



rotary, 4 



" steam, apparatus for stopping, 6 

 Engineering, accurate, 99 



England and France, submarine tele- 

 graph between, 121 

 Bank of, note, 71 

 " railways in, 28 

 Equator, new route for vessels to, 384 



