INDEX. 
441 
PAGE 
Light, Mechanical Power of 331 
,, Polarisation of , by Sugar ... 431 
„ Tyndall on 406 
Velocity of 329 
Lighthouses, Different Porms of 
Light for 431 
Liliaceae, Carpellary Theory applied 
to the 94 
Lime-magnesia Chrysolite, a 429 
Liquids, Index of Refraction of 215 
Livingstonite, a New Mineral 210 
Lloyd’s Treatise on “ Magnetism ” 83 
Loewy’s “Introduction to Experi- 
mental Physics” 185 
Lubbock’s “British Wild Plowers, 
considered in Relation to Insects ” 178 
,, “ Origin of Civilisation ” 83 
Ludwi git, a New Mineral fromBanat 210 
Lunar Theory, Delaunay’s Investi- 
gations on the 92 
Lyell, Sir C., Death of 205 
Lyell’s (Sir C.) Grift to the Geologi- 
cal Society 319 
Lygaenidae 335 
McCoy’s “ Problems of the Palae- 
ontology of Victoria” 182 
Mace 201 
Magnetic Condensation in Soft Iron 110 
Magnetism 83 
Magnets, Action of, in Geissler 
Tubes 430 
Maltose, Remarks on 203 
Mammals, Eocene, New Order of... 207 
Mammoth Cave, Spiders of the 334 
Man, as a Contemporary of the 
Mammoth 278 
,, Rate of Growth in 102 
Manual of Bee-keeping 414 
Margary’s Expedition, Return of the 
Botanist from 313 
Marine Sponges, Development of... 219 
Mars, Opposition of 199 
Marsh’s Miocene Expedition 205 
,, Tests for Arsenic 96 
Mechanical Power of Light 331 
Medical Science 102, 208, 321, 427 
Melanthacese, Carpellary Theory 
applied to ..... 94 
Mells, Rev. J. M., on the Micro- 
scopical Structure of Rocks 1 
Membrana Nuclei in the Seeds of 
Cycads 314 
Mercury : does its Thermal Con- 
ductivity vary with Tempera- 
ture? 217 
Metallic Sulphides, and the Electric 
Conducting Power 216 
Metallurgy 105, 210, 323, 429 
Metals, Hydrogen in 315 
PAGE 
Meteorites in 1875 429 
Meteorological Observations in the 
United States 417 
Meteorology in its Relation to Geo- 
graphy 211 
Methyl-nitrate, Modifying the Ex- 
plosiveness of 425 
Microscope, Colour Studies with the 126 
,, how to Stain Loaves for 
the 212 
Microscopic Germs, Mutability of ... 94 
Microscopical Papers 108, 214 
,, Structure of Rocks ... 1 
Microscopy 107, 212, 324, 430 
Middle-park Mineral Coal 206 
Milk in Health and Disease. 424 
Mineralogical Communications 106 
Mineralogy 105, 210, 323, 429 
Minerals, New 210 
Minute Life, Recent Researches in 245 
Mirage, Earliest Scientific Notice of 109 
Missouri, Birds of 412 
„ Geology of 412 
Mivart, St. G., on the Natural His- 
tory of the Kangaroo 372 
Mivart’s “ Common Frog” 79 
Moggridge’s “ Harvesting-Ants and 
Trap-door Spiders ” 188 
Monkeys, Brain of, Experiments on 
the 323 
Morgan’s “ Skull and Brain” 416 
Mosquito, Auditory Apparatus of 
the Ill 
Moss Herbarium, Mr. W. Wilson’s 313 
Mount Vesuvius, Eruption of 101 
Multiplying Small Motions, New 
Instrument for 214 
Muscular Contraction in Apparent 
Death 104 
Mushrooms 186 
Musical Statics 87 
Natural History, Anderson School 
of 335 
,, of the Kangaroo 372 
Naturalists on the Arctic Expedi- 
tion 335 
Nebular Hypothesis, Present Con- 
dition of 20 
Nitric Acid, Formation of 98 
Non-arsenical Green Paint 317 
Norway Flora, the 291 
Norwegian Tar in the Treatment 
of Wounds 103 
Number: an Argument for a God 180 
Nursey, P.F., on Unbreakable or 
Toughened Glass 225 
Ojbject-glass, Slit in the Focus of, 107 
Observatory at Botoga 91 
