INDEX. 



PAOK 



Aconite, researches on ..... . . . 243 



Africa, Southern, increasing desicca- 

 tion of ............. ; 



African race, vitality of ...... 320 



Agates, coloring of ......... ->li 



Agriculture of Japan ....... oi 



Air, bad, researches on the influence 

 of 



226 



" 



Curious 



151 



254 



expansion of by heat 



application of 

 heating effects of the sun on . 



Alcohol and health . 



Aldebarau, constitution of the star 



Aluminum, economic production of, 217 



' new applications of . 76, 77 



Ames's wrought- iron gun ..... 109 



Ammoniac, Sal, preparation of . . 7 1 

 Ammunition, waste of in battle . . 9b 

 Amyle, nitrite of. Curious physio- 

 logical action of ........ 25- 



Anemometer, new ......... l->~ 



Animals, acclimatization ot .... o^ 



" grafting of ........ 327 



influence of on the physi- 



cal condition of .... 303 



" minute parasitic ..... 321 



Animation, artificially suspended . 233 

 Antiquity of the human race . ... 



Armor, impregnable, Ericsson on . 

 * rs. guns .......... 



Artillery experiments, recent . . . 

 Asteroids, new .......... 



" notes on ....... 



Astronomical observations, physio- 

 logical errors in 



28. 



87 



*** 



Atlantic telegraph cable ; 



Atmosphere, effects of on light. . . 20, 



" height of ....... <3U 



and ozone ...... 223 



Balloon experiment, interesting 

 Barometer, an indicator of the 



earth's rotation 



Barrels, hermetrical, for petroleum, 

 Battery, new caloric ........ 



Eeef packing, improvements in . . 

 Bird, gigantic, of New Zealand . . 

 Boilers in the U. S. Navy 



" multitubular, objections to . 



" steel 



" weakness of 



Brain and mind, curious specula- 

 tions concerning. . 



Breath, human, analysis of . . . . . 

 Bridge, chain suspension, how con- 

 structed 



great iron 



u 



190 



147 

 77 



123 

 56 



307 

 25 

 33 

 37 



116 

 245 



15 

 15 



PAGE 



Bridges, iron, protection of from 



oxydation 



Brine, utilization of ; " 



Bruniquel, cave of, France "> 



Ciesium and rubidium 216 



California, ancient volcanoes in ... 



* 4 geology of ~"-' : "> 



Calorescence, new phenomena of . . 208 

 Canada, ancient fossils from . . . . 30J 



Candle flame, theory of 



Cannon firing under water - 



Capillarity, chemical analysis by 



means of 



Carbolic acid, use of 



Carbon, spectrum of ........ 



Carbonic acid gas, decomposition of 



by plants ..*; 



Cattle breeding, new experiences in, 325 

 Caves, fossil remains from . . . 283-287 



Cazanave's steel process 4. 



Celestial dynamics . . 



Chain cables, strength of ..... ~i 

 Chemical philosophy, new system of , 2 



Chlorophyll 



Cities, various, water supply of . . 

 Civilization, influence of on health 



and longevity 



Coinage, use of zinc for ...... 



Cold, curious effects of, on the ani- 

 mal economy 



Colloid bodies ***> 



Colors of fish 



Comet, Biela's 



" spectrum of 



Comets of 1861 *'''' 



Compass, magnetic, new forms ot . 

 Copper, decrease in the supply of . 



" sulphate of, action on wood, 

 Cotton, oily refuse, use of. . . . . 

 Country, condition of, affected by 



animals 



Crocodiles of the Oolite 



Currents, oceanic 



Cyclone, great Indian AJS 



323 







1 



.W8 



51 

 71 



Day, change in the length of ? ... 

 Dialysis, practical use of ...... 



Diamonds, artificial ; 



Discs, revolving, phenomena of . . 



Disease caused by parasitic animals, 

 ' control of by sanitary agen- 



cies 

 Drainage, best pipes for ...... 



Drawings, pencil, reproduction ot . 



Dynamics, celestial ........ 



155 





 D 

 78 



