452 
POPULAR SCIENCE REVIEW. 
PAGE 
Intercommunication in Railway 
Trains 93 
Intra-Mercurial Planets 418 
Invertebrate Animals, Muscles of... 333 
Iron and Steel 295 
„ Bridges 415 
„ Distribution of, in Variegated 
Strata 89 
„ Mechanical Strain of, Relation 
of, to Magneto-electric Induc- 
tion 103 
„ Molecular Phenomena in 203 
,, Sesqui-salts of. Description of 305 
Ironclads, Mr. Reed on 314 
Isocitric Acid 307 
Isomery in the Salicyl Series 428 
Jargonia 428 
“Jean Bart,” Voyage of the 299 
Jeffreys “ British Conchology” 291 
Joints of Pipes for Gas and Water 
Mains 315 
Kent’s Hole 369 
Knagg’s “ Lepidopterist’s Guide”... 414 
Kotchoubeite, Miner.il, Characters 
of the 203 
Kostej, the Foraminifera of 91 
L.\boratoby at Leipsic, New 307 
,, how to Work in the ... 290 
Liibradorite, Colours of 98 
Liimp, Oxyhydrogen, New 327 
Lamps for Photography 101 
Dindscape Photography in Cloudy 
Weather 101 
D'lplace, Nebular Hypothesis of ... 180 
Lardner’s “ Handbook of Natural 
Philosophy” 176 
Liirdner’s Optics 170 
Lartet’s “ Reliqiue Aquitanica;” 290 
Dirv’a of the Elabi Genus 328 
Lsiva Tides, Subtern\nean 312 
“ Liws of Vital Force,” tlio 294 
Leaf Beds of Hampshire 425 
Ix%'ives, Morphology of 185 
I>eech, British, New 222 
D'ipsic, New Lilsmit/jry at 307 
Ix!nsf*s, Glass for 213 
I/<'pidfxlpndron, the Relations of ... 192 
Ix-pidoptera, American 329 
Leptandni and Ix*ptandrin 199 
Ix-pyrus Binotiitus 446 
Lichen Flora of Greenland 183 
,, Pathological Development of 201 
Lichens, Colour-reactions of 184 
Liebeg's Extract of Meat 96 
„ F*xxl for Children, Experi- 
ments with 316 
PAGE 
Life on the Deep-sea Bottom 328 
Light, Artificial, Infiuence of, on 
Plants 3U2 
„ Chemical Reactions produced 
by 87 
„ New Method of Measuring 
the Intensity of 103 
„ Polarised, Differential Re- 
fractor for 103 
Lightning, Physiological Effects of 316 
Lime Light, New 210 
Limestone, Carboniferous, of Bel- 
gium 310 
Lines in Nobert’s Plate, how to 
Count the 207 
Linne, the Lunar Crater 181 
Lion, British 150 
Liquid Fuel 313 
„ ,,011 Shipboard 93 
Longitude, Use of Telegraphy in 
ascertaining 213 
Lucio Perea Zandr 221 
Lunar Crater Linne 181 
Lymphatic Vessels in the Tail of 
Batrachians 220 
Lymphoid Organs of Amphibia 110 
Macdonald’s “Analysis of Sound 
and Colour” 294 
Machines, Flying 1 
Madagascar, Ordeal Poison-nut of 83 
Madder, new Dye from 429 
Magnesium, Cheap 101 
Magnetic Variation on Lake Supe- 
rior 442 
Magnetism of Chemical Combina- 
tions 217 
Magnetites, Titaniferous 99 
Malayan Archipelago, the 286 
Malvales, Morphology of 84 
Mammae, Artificial 438 
Mammalia of North-West America 332 
“Man and the Mammoth” 194 
Man, Preglaical 175 
Manometric Barometer 442 
Manufacture of Copperas 318 
Maps of the Transit of Venus 421 
Mariners’ Compass, Lord Caithness’s 443 
Mars in February 1869 39 
Masters (M.T.) on Passion Flowers 159 
Masters’s “Vegetable Teratology” 288 
Matter, what is it? 293 
Measurement of Temperature of the 
Solar Radiation, Errors in the ... 100 
Meat, Liebeg’s Extract of 96 
Mechanical Descent of Glaciers ... 216 
„ Science ...93, 195, 313,434 
„ Strain of Iron, Relation 
of, to Magneto-electric Induction 103 
Medical Nomenclature 202 
„ Photographs 202 
