GENERAL INDEX. 



PAGE 



ABBADIE, M., 153 



Abnormal atmosphere, growth of plants 



in, 325 



Absence of the coal formation in Cali- 

 fornia and Oregon, 30G 

 Abyssinia, change of level in. 

 Accurate and successful engineering, 99 

 Acid, carbonic, in the air, 231 

 " nitric, effect of, on the bones and 



flesh, 195 



Acids, conducting power of. 1H1 



" formula for an ink which resists, 233 



Action of cod-liver oil, 2Io 



'' of dry gases on organic color.?. 



influence of sunlight over, 215 

 " of lime on animal and vegeta- 

 ble substances, 195 

 " of porous strata on water and 



organic matter, 223 



" of soils on the constituents of 



manures, 



" of waves, 1GO 



ADAMS, PROF. U. B., 232. 330 



Adulteration of vermilion, 210 



Africa,, crania, peculiarities of, 



3.57 



_ 



AG \ttiz, PROF/, 253, 272, 313, 315. 319. 

 329, 332, 335, 337, 339, 2'* 

 Age of the Alps, 259 



Air, ammonia in, 234 



" carbonic acid in, 234 



'' relations of the nitrogen of, to res- 

 piration and the voice, 207 

 Air-spring for doors or gates, Gl 

 Albumen of eggs, freezing of. 220 

 ALEXANDER, 'PROF., COS 

 ALGER, F. A , 237 

 " FRANCIS, 296, 303 

 Algous plants, atmospheric dissemina- 

 tion of, 321 

 Alimentation of coffee, 188,101 

 ALLEN, DR. J. L , 28 

 ALLEY AND POOLS, 153 

 Alloy, copper, of silver used as a sheath- 

 ing for ships, corrosion of, 226 

 Alloys of manganese and iron, 98 

 Alpine and Arctic vegetation, analogy 



between, 315 



Alps, age of, 259 



platinum in. -2"ii 



a 

 n 

 ti 



PAGE 



Alps, tunnelling, 101 

 Alternation of generation in Radiata, 

 analogy between, and the mode of re- 

 production in plants, 333 

 Altitude instrument, 51 

 America, Central, volcanic phenomena 



of, 280 

 North, changes of level in, 



during the drift period, 252 



American crania, 357 



fresh-water mollusks, 329 



lead and copper, 299 



Medusa, new species of, 332 



meteorites, new, 236 



porpoise, a new species, 337 



salt, 78 



spool cotton, 41 



Ammonia in the air, 234 

 Analogy between Alpine and Arctic 



vegetation, 318 

 between the modes of repro- 

 duction in plants and the 

 alternation of generation in 



Kadiata, 333 



Analysis of a Roman pavement, 214 



Anchor-ico. 291 

 Ancients, mineral blue color, employed 



by, 213 



Anemometer, integrating, 66 



ANGLES. M., 372 

 Animal economy, influence of salt 



diet upon, 192 

 heat, 352 

 " manure, concentrated, 200 

 '' substances, action of lime on, 195 

 Animals, articulated, brain in, 333 

 blind, of the Mammoth Cave, 333 

 changes of integuments in, 348 

 cholera in, 343 

 connection between the con- 

 sumption of food and the in- 

 crease in the weight of, 192 

 respiration in, 349 

 Annelides, senses in, 349 

 Anthracite coal, ashes of, 305 

 '' locomotive for 16 

 " structure of, 



Anti-friction press, 36 



Antiquities, IMexiain. 336 



