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INDEX.

PAGE

...288

....157

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....156
...... 89

....134
....... 132

cess...

Aurora borealis and telegraph lines. 151
Australia and Asia, former connec-

tion between...
Austrian non-explosive powder.....227
Autumnal foliage, change of color
in.....

..296
Average duty of Cornish engines... 134
Bacteriums, origin of...... ..301
Balloon, the captive

......330
Bathometer, the.

...........170
Batrachians, poison of..

...300
reproduction by Larval.305
Battery, the galvanic
an improved

.153
substitute for copper in the
Daniell's....
Beacons, electric.
Beams, deflection of...

.......184
Beauxite..

..228
Behavior of metals in the electric
current

196
Bell for locomotives, alarm ......... 28
Bells, aluminum
Belt, a big :::::
Bessemer's high-pressure furnace... 65
Bessemer on the Heaton steel pro-

64
Bibliography, American Scientific..345
Binoxide of hydrogen.

.229
Biological Summary.

..299
Bisulphide of carbon, purification of 200
Bones, function of the marrow of...299
Botany, American fossil..

.298
Bottom of the sea ...

..307
Black Sea cable.....................107
phosphorus................

.226
Blackening zinc..........

..2:24
Blast, large..............

55
heavy

54
Bleaching feathers..

208
palm oil...

...209
paper pulp ...........208

wood pulp
Blood, transfusion of...

.........299
Blue cup of the candle flame.....

174
color of the sky, etc. By Prof.
Tyndall..

..138
Brachiopods, early stages of.
Brake, use of counter-pressure
steam as a ......

24
Bread-making, new method of...... 67
Bridge, East River.........

........ 46
Bridges.

46
Bridge, Cincinnati and Newport.... 51
over the Schuylkill........

53
Kansas City...

................. 53
Louisville....

53
over Cape Fear River....... 54

347

.........208

.....291

...220

39
.....225

.....205

....... 128

...253

PAGE
Aboriginal monuments in Canada ..286
Absorption lines produced by chlo-
rine..

146
Action of boiling liquids on glass... 213

cyanogen on hydrochloric
acid...

........231
Action of electric sparks on marsh

gas....
Action of heat on tartaric acid .....231
water on lead...

......216
poisons.....

........278
Aero-steam engines.....
Adulteration of sulphuric acid..
Alpine region, Rocky Mountain ....248
Aluminum bells...

........134
Alloy, a new.....

........ 134
Alarm bell for locomotives.....

.... 28
Algeria, mineral resources of.......264
Albumen

.....................209
Alarm, fire

........................ 134
Alizarine

................205
artificial..
Alkaloid in fermented liquors.......204
Albertype, the...
Alcohol, detection of....

230
American Association, papers read

at meeting of the.....
Ammoniacal gas engines ........... 41
American stereoscope
fossil botany

98
Amcba, the .......

........293
American rails...

.... 33
Ammonia powder...

144
American 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
A næsthetic, new..

..277
Aphanapteryx- an extinct bird of
Mauritius..

..289
A pomorphia..

...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....

304
Astronomy
Atmosphere, the solar..........

...331
Attraction, local...

........330
Aurora, spectrum of the............326

...... 88

........323

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Bridge, Mississippi.......

48
Dusseldorf..

48
at Omaha, U.S............. 49
Missouri, iron............... 53
concrete

49
Blackfriars new............. 50
Briquettes

............. 38
Bronzes.....

......... 86
Bunsen's method of filtration.......210
Building, concrete...

......119
Buildings heated by gas... ...... 92
earthquake-proof..

....... 122
Burial of the dead...

273
Cable, French......

......... 54
Atlantic ........... 106
the Black Sea... ......... 107
fleet, signalling on board of.. 101

insulation of the Atlantic.... 152
Canals..

steam power on.............. 61
Canal, Suez..

............. 62
Candle flame, blue cup of .........174
Cape Fear River, bridge over....... 54
Captive balloon.....................330
Car-wheels...... .............. 27
Cast-iron tubes......................130
stoves..

.. 67
Caucasus, highest peaks of the .....264
Cavern, Kent's....

.342
Cave of Bruniquel, human remains
from the...

..341
Cell-structure of metals.............195
Cement for leather..

130
“ iron and stone, very du.
rable...

133
Cement for stone
Cereals, growth of..................298
Cetacea extinct...
Channel railway, the....

19
Change of color in autumnal foliage.296
Changes of level of seashores
Charcoal, seaweed...

.... 130
Chinese geology and mineralogy....243
Chlorate of potassium as blowpipe.. 230
Chloride of silver pile

154
Chlorine, absorption lines produced
by...

146
Chlorine in gold refining..

..197
manufacture of............210
Cholera, influence of trade on.......301
Cholesterine......

...300
Chrome alum, utilization of.........200

green.........
Chromium
Churches warmed by gas............ 90
Clay, Terra Cotta..

258
Climate, effects of removal of for.
ests on.......

..........339
Coal fields, denudation of..

.......262
" in the Rocky Mountains. 243

fields of the North Pacific
coast........

.240
Coke.....

...........130
Cold, curious production of .. ....191
Colloid substances, transmission of
gases through......

189
Colorado expedition................265
Colors, complementary ...... 146
Color, change of in autumnal foli.

Coloration of glass under influence

of sunlight...
Concrete building.
Conducting power of materials.....164
Continents, elevation of.............232
Constitution and motion of glaciers. 190

of flames, method of
ascertaining
Conservation of wood.

.129
Combustion, increase of weight dur
ing....

.174
Comet, Tempel's...

.325
Winnecke's.................329
Comets

.......... 130

...255

......237

....207
...223

...271

........329
Tyndall's theory of..........328
Communication between guard, driv.
er, and passengers..

............ 18
Complementary colors..

.146
Composition of milk of different an.
imals........

...302
Compound of lime and sugar ....... .199
Copper in the animal kingdom..

mines of Lake Superior.....264

in the Daniell's battery, sub-
stitute for...

..156
Cornish engines, average duty of ... 134
Corona, polarization of the..

..321
observation on the .........318
Cotton, tanned.

129
Counter-pressure steam as a brake.. 24
Cranial capacity vs. crime.... ..303
Crime vs. cranial capacity ..........303
Currents, electric, velocity of.......154
Crystals in diamonds

.222
Cutting glass with steel. The magic
diamond.......:

82
Cyanogen in coal-gas ...............226
Daniell's battery, substitute for cop-
per in the.....

156
Dead, burial of the

..273
Decomposition produced by light... 147
Denudation of the Shropshire and

Staffordshire coal-fields.... ....262
Decrease in the production of gold.. 246
Detection of alcohol...

.230
“. phosphorus............230
Determination of silver..... .231
Decomposition of alkaline chlorides.223
Determination of free oxygen.
Deflection of beams.................184
Depths, sea...

.267
Deep-sea dredgings..
Death, method of ascertaining......302

occasional cause of sudden..301
Development in vertebrates

..304
Decrease of temperature caused by

dissolving salts in water........214
Disposition of gas-burners..

91
Distribution of copper in the animal

kingdom..
Discovery of a new planet.. .325
Discharges, duration of electric.....149
Distance of the sun.....

.325
Diatoms.

..309
reproduction of... .....308
or brittleworts....

..297
Direct oxidation of hydrocarbons...220
Distribution of the large American

mammals....
Dredgings, deep-sea

............293
Drift, phenomena in the

............260

.....184

...293

..271

..251

age

296

66

........ 122

....149

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..... 94

Drying of wood...

129
Durangite....

.: 265
Durability of English locomotives.. 37
Dyeing a fast gray........

..........207
Dye, explosive............

....... 131
East Indies, petroleum in the.......264
Earthquake-proof buildings
East River bridge......

........ 46
Eclipse, papers on the..

..316
observations of Prof. E. C.
Pickering on the......

318
Effect of steam heat on hay.. 133
Egg, the ovarian....

.300
Electric currents, velocity of........154
Electricity applied to registering vi.
brations...

..162
Electromotors, vegetable...........166
Elements of matter..

......185
Electricity and railroads.

23
Elevation of continents and depres-
sion of sea basins...

232
Electric spark, artificial coloration

of...
Electricity and the pulse............153
Electric fluid, non-existence of......154

telegraph, wave time of....156
discharges, duration of.....149
spark figures.....

.........154
organ ...................... 86
beacons.

Flora, Primordial.....

.307
Flora and fauna of Oregon and
Idaho...

.239
Forty-two ton hammer.

55
Fossil plants in the Cambrian rocks.257
Formation of nitre

.228
urea .........

.279
Fog whistle..

54
Forests, effects of removal of on
climate...

.339
Fossil, Asiatic elephant..... .....304
French cable...

54
Freezing mixture.............

......170
Frigorific mixtures

169
Fossil reptiles, new.

..290
Formation

and

phenomena of
clouds, note on....

139
Foundations made in marshes......116
Frozen well at Brandon, Vermont. .235
French military telegraphs

.........109
Atlantic telegraph..... ..102
Fuel in the form of powder...... . 129
Furnace, Bessemer's high-pressure.. 65
Fuel, naphtha for locomotive....... 38

peat for locomotive ........... 37
Gases, method of detecting poison.
ous...

69
Galvanic battery, the

...157
Gas, heating buildings by...

.......... 92
' burners, disposition of......... 91
" for light-houses.

90
16 from wood...

97
"warming churches by..

...... 90
" and air, mixture of
Gauge, rapid change of.....

........ 58
Gasometer, immense................ 54
Gas engines, ammoniacal........... 41
Geology of Venzuela..

......266
Geodetic measurement in Europe...264
Geology.....

..233
Generators, steam

..132
Geology and mineralogy, Chinese... 243
Gills, fishes with external...........306
Glaciers, constitution and motion of.190
Glycerine for preserving colors of

marine animals.......295

testing for sugar.........230
Glass-rope sponge...
Glycerine in crystals.

...227
Glass used for light-houses...., 81
coloration of..

189
Gold, decrease in the production of.246
Growth of cereals....

....305

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....... 89
Electro-heating apparatus.......... 44
Elephant, fossil Asiatic...... .304
Engineering items.

54
under ground. .. 120
Envelopes, safety..
Enamels..

...............202
Engines, Cornish..

.....134
Enterprise, telegraph..... ........ 108
Epiornis...
Esquimaux, the...

...............285
Estimation of iodine...

..229
Europe, geodetic measurement in...264
Evaporation by plants

.. 308
Evolution of ammonia from mush-
rooms...

222
Experiments on heavy ordnance....117
Extinct reptiles.....

.305
Explosive dye......
Extraction of zinc from ores........224
Expedition, the Colorado...........265
Extinction of the mammoth........261
Extinct cetacea.......

.255
Fabrics, treating textile...

. 133
Fairlie steam carriage

35
Fauna, primordial...

...291
Fertilization of flowers by insects . .308
Fever, hay

..282
Fibrous plants, little known........ 98
Figures, electric spark.............. 154
Fibrine.

......301
Fibre, ixtile
Fishes with external gills...........306
Fire-proofs, lining for...
Filtration.

...210
Fire alarm, by M. Dion.... ......131
Flames, method of ascertaining the
constitution of...

...175
Fluosilicic acid for sugar-refining...199
Flowers, fertilization of............308

.....135

.298
Graham's experiments with hydro-
gen.....

177
Ground, engineering under......... 120
Guns, proof of..

.111
Gun.cotton, new property of........126
Gunnery and photography..

..........129
Guano, stratification of...

......306
Gun-cotton, new mode of firing.....124
Gunpowder hammer and pile-driver.113
Gulf stream.....
Gun, the Palliser......

........110
Hay fever......

..282
Hæmatoxyline in photography......201
Hammer, the Joy..

.... 132
Hay, steam heat on.................134
Hammer, forty-two ton............. 85

.......289

.......131

.......100

........259

.......131

....190

........ 54

.......141

...148

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...268

Heat, mechanical equivalent of.
“ ' in mines....

75
Heavy modern machinery........... 82

blast...
Heights, to measure.

.............. 80
Heat, reflection of....

..190
Heaton steel process, Bessemer on
the.....

64
Heat reflected from the moon's sur-
face...

188
Heating of bodies by rotation in
vacuo......

.172
Heat.....

186
" and the electromotive force of

piles ..
House-lifting

.. 54
How to make paper transparent....135
Hot springs, organisms in ..........308
Human longevity...

.................281
remains..

..338
of the cave of Bruni.
quel...

.341
Hydrogen gas a metal ..............181
the metal...

.178
Graham's experiments
with .....

.........177
Hydrogenium...

194
Hydraulic scrapings of the Torquay
Water Main......

134
Ice, new method of making.........170

“' as an agent of geological change,256
Illuminations, portable..

90
Improved mariner's compass ....... 80

photographic paper.......127

qualitative filter..........212
Increase of weight during combus-
tion.......

.....174
Ineradicable writing..

......135
Indians and negroes, s. American. .284
Inverted siphon......

55
Indo-European telegraph..

...........107
Indigo, solubility of....

.207
Insects’ wings, velocity of during,
flight.....

307
India, railways of...
Insulation of the Atlantic cable.....152
Induction coil at the royal polytech-

nic..
Insects, preserving.......... .......307
Inclosed crystals in diamonds....... 222
Inoculability of tubercle............300
Iodine, estimation of......

.229
Iron, smelting, carbonizing, and
purifying of....

63
method of producing a black

shining varnish on......129
ships, process for the preser.

vation of the bottom of..115
stoves, unhealthfulness of ...272

and stone, cement for........ 133
Irrigation, effect of..................265
Iron, preparation of pure...........196
Ixtle fibre

..100

Large blast....

55
Level between Red Sea and the Med.
iterranean .......

..267
Leichtenberg's experiment and the

mineralogical analysis of rocks.. 153
Leather, cement for...

..130
Lightning, spectrum of

.........331
Lithographic researches............265
Light of Uranus.

.330
Lime light, magnesia blocks for the. 143
Little-known fibrous plants......... 78
Light, zirconia...
action of...

. 143
decomposition produced by..147
luminous effects of. ........190
house, gas for..

..... 90
Lichens, reproductive organs of.....309
Light-houses, on the glass used for. 81
Lights, ship's.....

85
Life of American vessels...

...... 84
Light rolling stock..

36
Liquefied hydrochloric acid. .226
Life and species, derivative hypoth-

esis of....
Light, oxyhydrogen... .......... 65
Lining for fire-proofs............... 131
Local attraction.
Longevity, human..

.... 16

.... 158

[blocks in formation]

...330

.....281
Locomotive fuel, peat for.

37
Locomotives, English, durability of.37
Luminous effects of light.

190
Luting....

225
Mammals, changes in the distribu-

tion of the large American.....251
Materials, conducting power of.....164
Magnetism...

.....150

.............. 152
Matter, elements of...

....185
Mauritius, extinct bird of..
Man in the quaternary period.......287
Mammoth, tusks of the..

..306
Margueritte's method of refining
sugar ....

198
Mattoon expedition, observation of,

on the eclipse of 1869...
Mammoth, extinction of the........261
Madder, new dye from...

.206
Marrow of the bones, function of
the........

.299
Maximum point of the density of
water ..

. 188
Magnesia blocks for the lime light. . 143
Maine, surface changes in.... ..249
Manufacture of chlorine.......

...210
glucose.............199
soap................200

sugar .............. 199
Magic diamond...

82
Marshes, making foundations in....116
Manufacture, peat..

74
Machinery, heavy modern .......... 82
Matters, newest coloring ........... 82
Machine, the modern ice.

78
Mariner's compass, improved

80
Mechanic arts,

summary of improve-
ments in.

.128
Method of producing upon iron a

durable black shining varnish... 129
Megalithic monuments
Mechanical equivalent of heat......190

....289

...310

66

...304

...302

.....112

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Mines, heat in

75
ventilation of.

76
Mineral caoutchouc...

..223
Mining...

..245
Mixture, freezing..

...... 170
frigorific

..169
of gas and air...

94
Mice, singing..

..301
Missouri River suspension bridge... 47
Milk, composition of in different

animals.
Moss rubber inking roller.. ..131
Moncrieff, system of..
Molybdenum and chromium.........223
Mound-builders.

..339
Moon, height of mountains in the...331
Monuments, aboriginal, in Canada..286
Mountains in the moon...

..331
Mosasauroid reptiles.....

.255
Moon's surface, heat reflected from. 188

radiation of heat from the..187
Monstrosities, artificial production
of.

...133

........135

..280
Monckhoven's new artificial light... 176
Mountains, ascent of high.. .274
Monuments, megalithic...

.......304
Molluscs, organ of hearing in......302
Naphtha as fuel for locomotives..... 38
Natives of Vancouver's island......303
Natural selection in the case of
man

.283
New Thames tunnel..

56
oxygen process.

71
Newest coloring matters..
Nebraska, vertebrate remains in....254
New base.....

...231
" method of dyeing a fast gray..207
"coloring matter.

.206
" sulphuric acid....

..217
dve from madder..............206
alloy...
mode of firing gun-cotton...... 124

property of gun-cotton .126
Nitro-glycerine, safety..

132
Nitrogen, preparation of..

.226
Nitrates, test for....
Nitre, formation of.

.228
Norwegian boxes of felt for cook-
ing..

60
North Pole, best route to the..

...250
Nobert's band, photographs of......192
Nodular phosphates of South Caro.
lina

247
Non-explosive powder..

227
Nomades, westerly drifting of ......304
Obituary of men eminent in science,
1869..................

.344
Obsidian.
Observations of the eclipse.........310
Ocean telegraph..

...109
Oils, refining vegetable....

83
Oil, figures..

188
Oreide.

..............227
Oroide, how it is made.... ......134
Ordnance, experiments on heavy....117
Organisms in Hot Springs.....

...308
Organ, electric..

86
Oregon and Idaho, Flora and Fauna

.... 82

Organic remains, veins containing..250
Origin of bacteriums....... ..301
Organ of hearing in molluscs.. ...302
Oscillation of railway carriages.. 23
Ovarian egg, the....

..300
Oxyhydrogen light..

65
Oxygen, extraction of from the air.202
Oxygen process, new...

71
Oxidation of acetic acid..

.231
Oxygen, determination of free......184
Paper from shavings and saw-dust.. 135
Painting, zinc.
Paper, how to make transparent....135
Palliser gun...

110
Papers read at the meeting of the
American Association..

.253
Papers on the eclipse, read at the

American Association....... ..316
Paper, transparent.
Pacific railroad time-table,

15
Pacific coast, coal fields of the
North..

.240
Papers read at the meeting of the
British Association..

...256
Palæozoic rocks of Vermont........239
Peat for locomotive fuel............. 37
Pepsin........

.302
Perforated implements of the stone
period....

..340
Penetration of armor-plates, by

shells, with heavy bursting

charges fired obliquely.... 83
Petroleum in the East Indies.......264
Pebbles and rock, plasticity of......238
Peat manufacture in Ohio...

74
Photography and Gunnery.. ..129
Photographs with a white surface...127
Phosphorescence of the sea.........190
Photographic representations of the
pulse... ::

..276
Photographic paper, improved .... 127
Photography, unequal effects of light
in...

144
Phenomena in the drift near Nor-
wich

..260
Photographing without a lens...... 192
Photographs of Nobert's bands....

.192
Photography - self-prints from Na.
ture.

........191
Phosphates, nodular................ 247
Phosphorus, black.

.226
detection of.

...230
white.......

.127
Pile-driver and hammer, gunpow-
der...

113
Pile, chloride of silver.....
Pile, new thermo-electric............147
Pile, action of heat upon the electro-
motive force of..

148
Picrates, their use as gun and blast-

ing powders..
Plants, evaporation by..............308
fossil...

257
Planetary influence on rainfall and
temperature....

327
Planet, discovery of a new..

325
Plasticity of pebbles and rocks.....238
Platinum in Scotland.

227
Poisonous gases, method of detect.
ing......

....... 69

66

...134

....230

.......154

....262

...125

of......

....239

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