GENERAL INDEX. 



PAGE. 



Aborigines of Nicaragua, 387 



Acid, special of the Lungs, 244 



Acidulated Fruit Drops, 

 Acoustic Telegraphing, 181 



Adulteration of Anchovies, 237 



Africa, Geological Discoveries in, 272 

 " Gold in, 303 



South, Researches in, 

 AHNESORGE, M. 219 



Alcohol, pure Methylic, preparation 



of, 234 



Alkalies in Plants, 247 



Alkaloids, organic, detection of, 

 Almonds, artificial oil of,. bitter, 227 

 Amyle Compounds, 225 



Analysis of Opium, with reference to 

 the proportion of Morphia 

 contained in it, 



of perspiration, 261 



" , method of getting rid of 



sal-ammoniac in, 261 



Analogy between the life of an indi- 

 vidual and the duration of a spe- 

 cies, 332 

 Anchovies, adulteration of, 237 

 ANDRAUD, M. 149 

 Animal Electricity, 118 

 substances, preservation of, 246 

 and vegetable kingdom, re- 

 lation between the vital 

 functions of, 318 

 Animals, adaptation of color to the 



wants of, 328 



geographical distribution 

 of. in connection with 

 the progress of human 

 civilization, 327 



Antiquarian researches in Wiscon- 

 sin, 390 

 Apatite, locality of, 



Apple-oil, 226 



ARAGO, M. 140 



Arctic Expeditions, early American, 387 



" " recent, 390 



Arctic fossils from Eschscholtz Bay, 308 

 u Regions, sleep of plants in, 321 

 Argentiferous lead mines of Con- 

 necticut, 296 

 Art of seeing the interior of the eye 



itself, 149 



Arts, fine, encouragement of, 107 



Artificial extract of fruits, 



production of fish, 344 



Asthma, simple remedy for, 356 



Asteroids discovered in 1852, 358 



new theory of the origin 



of, 360 



symbolical notation of, 300 

 " the, 360 



Astronomical observations, advan- 

 tages of the climate of the South- 

 ern States for, 368 

 Atmospheric tide. Lunar. 375 

 Atomic weight of Platinum and Ba- 

 rium, 189 

 Atrato, steamship, 40 

 ATWOOD, MR. 



Aurora, new theory of, 375 



Australia, gold in, 301 



Axles, railroad, improvement in 



boxes for, 59 



Bags, manufacturing of by machi- 

 nery, 79 

 Balloon ascensions for meteorologi- 

 cal purposes, 



BAKER, MR. HENRY, 72 



Barium, atomic weight of, 189 



Batchelder's telegraphic register, 

 Batteries, improved telegraphic, 

 Battery, new galvanic, 115 



Batrachians, fossil ova of, 

 Beacon on Romer Shoals, 36 



Beams, Malleable iron, form of, 61 



" lattice, strains on the diago- 

 nals of, 61 

 BECKMEINSTER, PROF., 118 

 BECQUEREL, M., 197 

 Beer, adulteration of with strych- 

 nine, 237 



