GENERAL INDEX 



PAGE 



Abbadie, M. Antoine d', 320 



Abnormal vision, unnoticed kind of, 149 



Abyssinia, discoveries in, 365 



wool from, 322 



Accidents in mines, prevention of, 66 



Acid, carbonic, action of, on plants, 298 



" " to extinguish fires in 



mines, 194 

 " phosphoric, to determine the 



quantity of, in soils, 179 

 " sulphuric, new mode of preparing, 164 

 Acids, stearic and margaric, composi- 

 tion of, 216 

 Acosta, Col., 234 

 Acoustics, physiological, 150 

 Actinism, new phenomena of, 144 

 Action of carbonic acid on plants, 298 

 " of light on vegetation, 144 

 " of magnetism on all bodies, 129 

 " of water on lead pipes, 199 

 " magnetic, on railways, 133 

 Adamantine mineral, new, 273 

 Adams, Prof., 334 

 Adulteration of drugs, 



" of port wine, 185 



Africa, Eastern, snowy mountain in, 358 



" fossil elephant from, 287 



" fossil mastodon from, 287 



" gold discoveries in, 257 



African explorins expedition, French. 358 



Agassiz, Prof., x 65, 216. 283. 285, 286, 310, 



311, 314, 324, 327, 3-28 



Agents, anaesthetic, 165 

 Air as a motive power, 

 " and water of towns, 204 

 Air-tight stoves, explosions of, 193 

 Air-whistle, 70 

 Albumen, new test for, 178 

 Alcohol, freezing of, 205 

 Aleurometer, the, 62 

 Alger, Mr., 131 

 Alkalies, new process for manufactu- 

 ring, 210 

 Allen, J. B., 65 

 Almanac, American Nautical, 345 

 Alpaca, 3-21 

 Alpine flora of Mt. Washington, 2! "5 

 Alvor.l. .M;tj. I!., 291 

 Amalgamating zinc, new method of, 90 



America, coal formation of, 



carpet manufacture in, 

 Central, antiquities in, 



American antiquities, 

 Association, 

 bison in France, 

 longitudes, 

 microscopes, 



PAOE 



271 

 53 

 263 

 361 

 367 

 334 

 340 

 65 



minerals, identity of several 



differently named, 272 



Nautical Almanac, 345 



prime meridian, 339 



queensvvare-, 96 



Ammonia of the atmosphere, 219 



Amyl, isolation of, l'J4 



Anaesthetic agents, comparative effects 



of, 165 



" " use of, 165 



Analogy, Kirkwood's, 335 



interesting in botany and as- 

 tronomy, 342 

 Analysis of California gold, 255 

 of coals, 270 

 of the waters of the Dead Sea, 200 

 Ancient art rediscovered, 163 

 " mining operations on Lake Su- 

 perior, 360 

 Anderson, Dr., 97,293 

 Andrews, Dr., 198 

 Animal economy, origin of sugar in, 174 

 " electricity, 115 

 " life on the shoals of Xantucket, 314 

 Animals, coral, on the coast of Mass., 311 

 " coral, structure of, 311 

 " fossil bovine, of Scandinavia, 283 

 lower, circulation and diges- 

 tion in, 338 

 " number of, comprised in each 



class. 307 



" wild, skeletons of, 2-7 



Annihilator, fire, 101 



Anthracite coal in locomotives, 39 



" in Mass., 271 



Antiquities, American, 361 



in Central America, 363 



Hindoo, 364 



Mexican, 362 



Appalachians and Alps, structural fea- 

 tures of, 225 



