384 



ANNUAL OF SCIENTIFIC DISCOVERY. 



Currents, Lieut. Maury on, 155 



" oceanic, 159 



Daboll, C., 70 



Daguerreotype process, phenomena of, 140 

 Daguerreotypes, lunar, 141 



Dam at Had ley Falls, 68 



Damascus blades, 81 



Dana, Prof. J. D., 232, 238 



Daubeny, Prof., 298 



Davis, Lieut., 242, 329, 341, 345 



Davy, Mr. J., 201 



Dayton, A. E., 70 



Dead Sea, 236 



" " analysis of the waters of, 200 

 " " buoyancy of the water of, 161 

 De Candolle, M., ' 300 



Decayed ivory, to restore, 95 



Decomposition of rocks, 236 



Decoration, cast zinc in, 89 



Dental parasites, 320 



Deodorizing power of peat charcoal, 215 

 Deposits, infusorial, in Oregon, 288 



metalliferous, discovery of, 253 

 " of iron near Lake Superior, 2H3 

 Deschamps, M., 203 



Desor, Mr., 242, 244, 281, 285, 314 



Despretz, M., 196, 205 



Detection of iodine, new method for, 178 

 Dewey, Prof. C., 149 



Diamonds in California, 260 



Direct production of heat by magnet- 

 ism, 138 

 Directions assumed by plants, 289 

 Discharging a Leyden battery, new 



mode of, 109 



Discoveries in Abyssinia, 365 



in magnetism, 129 



" recent chemical, 162 



Discovery in plating, 120 



" in the manufacture of India- 

 rubber, 102 

 in the preparation of paint, 214 

 " of another huge fossil reptile, 288 

 of coal in Egypt, 267 

 of fossil footprints in Texas, 280 

 of fossil remains in the Con- 

 necticut Valley, 282 

 of M. Melsens, 171 

 " of metalliferous deposits, 253 

 Diseases of silk-worms, 329 

 Disk engine, 24 

 Dissolving bones by steam, 97 

 Distillation of salt water, 99 

 Distribution of gold ore, 253 

 Djurnal variations of the magnetic 



needle, 135 



Dnieper, suspension bridge over, 21 



Dodge, G. H., 51 



Dodo, the, 328 



Draining the mines of Sierra-Morena, 252 

 Drugs, adulteration of, 188 



Drying grain, process for, 182 



Du Couret, Col., 318 



Dufrenoy. M., 255 



Dumas, M., 163 



Dunn, Arthur, 120 



Durability of ice, 205 



Dye, preparation of indigo as, 176 



Earth, heat and evaporation of, 153 



Ebelman, M., 213, 236 



Edge-tools, mode of tempering, 90 



Effect of steam upon timber, 96 



" of tides, theory of, 242 



Effects, comparative, of anaesthetic 



agents, 165 



of glonoine, 217 



" of trap dikes on magnesian 



limestone, 235 



Egypt, discovery of coal in, 267 



Ehrenberg, M., 288 



Elastic moulds, 98 



Electric light, 103 



" " apparatus to preserve con- 

 stant, 105 

 " batteries, 120 

 Electrical insulation, use of gutta-per- 

 cha in, 112 

 phenomenon, curious, 117 

 " waves, velocity of, 109 

 Electricity, animal, 115 

 " atmospheric, 349 

 " connection of the aurora bo- 



realis with, 119 



" ingenious application of, 120 

 " conducting power of liquids 



with reference to, 111 



" of the human frame, 114 



" propagation of, in gaseous 



bodies, - 111 



Electro-chronograph, Dr. Locke's, 121 



Electro-physiology, researches in, 116 



Electro-telegraph, copying, 123 



Elephant, fossil, in Vermont, 286 



" " from Africa, 287 



Ellet, Charles, Jr., 14 



Emery formation in Asia Minor, 265 



Emory, Major, 359 



Enamel iron, to, 88 



Enge-ena, from Gaboon, Africa, 315 



Engine, disk, 24 



" new rotary, 27 



Engines, locomotive, anthracite coal in, 39 

 " marine, high-pressure steam in, 29 

 England and France, telegraph between, 128 

 English iron steam- frigate, 33 



Engravings, new mode of copying, 213 



Envelope machinery, improved, 54 



Envelopes, machine for making, 55 



Eocene tertiary, identity of the num- 



mulitic formation with, 230 



Ergot of rye, smell of musk destroyed 



by, 211 



Eruption of a volcano in Java, 234 



Ethyle, isolation of, 194 



Evaporation from the earth, 153 



Evrard, M., 142 



Expedition, African exploring, 358 



Experiment, velocity of light proved by, 145 

 " with strychnia, 216 



Experiments on burning-fluids, 192 



" on wheat and flour, 180 



" with the voltaic arc, 106 



Explanation of the tricks of fire-jug- 

 glers, 196 

 Exploring expedition, African, 358 

 Explosions in air-tight stoves, 193 

 Extension, power of iron to resist, 81 

 Extractor, cotton-seed, 60 

 Fall of rivers, 246 

 Faraday, Dr., 112, 132 



