IlSTDEX. 



*•> 'v. 



Va, 



PAOE 



Aboriginal monuments in Canada . .280 

 Absorption lines produced by chlo- 

 rine 146 



Action of boiling liquids on glass... 2i;3 

 " cyanogen on hydrocliloric 



acid 231 



Action of electric sparks on marsh 



gas 220 



Action of heat on tartaric acid 2.T1 



" water on lead 216 



" poisons 278 



Aero-steam engines 39 



Adulteration of sulphuric acid 225 



' Alpine region, Rocky Mountain 248 



^ Aluminum bells 134 



Alloy, /Tnew 134 



A larm bell for locomotives 28 



Algeria, mineral resources of. 204 



A 1 bumen 200 



Alarm, fire 134 



Alizarine 205 



" artificial 205 



Alkaloid in fermented liquors 204 



A Ibertype, the 128 



Alcohol, detection of. 230 



American Association, papers read 



at meeting of the 253 



Ammoniacal gas engines 41 



American stereoscope 88 



" fossil botany 298 



Amoeba, the 293 



American rails 33 



Ammonia powder 144 



A merican vessels , life of 84 



Animal kingdom, identity of visual 



impressions in the 299 



Aniline gray 207 



Animal kingdom, distribution of 



copper in the 271 



Analysis of lager beer 203 



Anaesthetic, new 277 



Aphanapteryx — an extinct bird of 



Mauritius 289 



Apomorphia 222 



Armor plates, penetration of. 83 



Arsenic in soda 228 



" tartar emetic 228 



Artificial production of monstrosi- 

 ties 280 



Artificial respiration, new method 



of effecting 275 



Artificial light, Monckhoven's new. 176 



Ascent of high mountains 274 



Asiatic elephant, fossil i'.04 



Astronomy 323 



Atmosphere, the solar 331 



Attraction, local 330 



Aurora, spectrum of the 320 



PAOB 



Aurora borealls and telegraph lines. 151 

 Australia and Asia, former connec- 

 tion between 288 



Austrian non-explosive powder 227 



Autumnal foliage, change of color 



in 206 



Average duty of Cornish engines... 134 



Bacteriums, origin of. 301 



IJalloon, the captive 330 



Bathometer, the .' 170 



Batrachians, poison of. 300 



" reproduction by Larval. 305 



Battery, the galvanic 157 



" an improved 153 



" substitute for copper in the 



Daniell's 156 



Beacons, electric 89 



Beams, deflection of 184 



Beauxite 228 



Behavior of metals in the electric 



current 196 



Bell for locomotives, alarm 28 



Bells, aluminum 134 



Belt, a big 132 



Bessemer's high-pressure furnace... 65 

 Bessemer on the Heaton steel pro- 

 cess 04 



Bibliography, American Scientific. 345 



Binoxide of hydrogen 229 



Biological Suniniary 299 



Bisulphide of carbon, purification of 200 

 Bones, function of the marrow of... 299 



Botanv, American fossil 298 



Bottom of the sea 307 



Black Sea cable 107 



" phosphorus 226 



Blackening zinc 2J4 



Blast, large 55 



" heavy 54 • 



Bleaching feathers 208 



" palm oil 201) 



. " paper pulp 208 



" wood pulp 208 



Blood, transfusion of. 299 



Blue cup of the candle flame 174 



" color of the sky, etc. By Prof. 



Tyndall 138 



Bracliiopods, early stages of 291 



Brake, use of counter-pressure 



steam as a 24 



Bread-making, new method of. 07 



Bridge, East River 46 



Bridges ft 46 



Bridge, Cincinnati and Newport 61 



" over tlie Schuylkill 53 



" Kansas City 53 



" Louisville 53 



" over Cape Fear River 64 



o47 



