xx 
Index 
Nature, 
December 14, 1899 
Kerr Phenomenon, the Instantaneous Disappearance of the, 
H. Abraham and J. Lemoine, 336 
Kew Catalogue of the Library of the Royal Botanical Gardens, 
244. 
Kew Gardens: Flora Capensis: being a systematic Description 
of the Plants of the Cape Colony, Caffraria and Port Natal 
(and neighbouring territories) by various Botanists, W. T. 
Thiselton-Dyer, F.R.S., 337; Flora of Tropical Africa, W 
T. Thiselton-Dyer, F.R.S., 337 
Key (Arthur), Progressive Lessons in Science, 543 
King (Dr. F. T.), the New Zealand Sheep-eating Parrot, Kea, 
205 
King (Sir George, K.C.I.E., LL.D., F.R.S.), Opening Address 
in Section K of the British Association. A Sketch of the 
History of Indian Botany, 581, 604 
Kingsley (Mary H.), West African Studies, 243 
Kingsmill (T.), Remarkable Electric Displays at Shanghai, 511 
Kipping (F. S.), Isomeric Salts of Hydrindamine containing 
Pentavalent Nitrogen, 214; Organic Compounds containing 
Silicon, 214 
Kirby (W. F.), the Gipsy Moth and its Introduction into 
America, 80 
Kites, on the progress achieved during the Past Year at Blue 
Hill. Massachusetts, in the Exploration of the Air with, A. 
L. Rotch, 587 
Klein (F.), Mathematics of the Spinning Top, 319, 346, 391 
Kling (André), Oxidation of Propylglycol by Bromine Water, 
336 
Klondyke Gold Field, the, R. G. McConnell and J. B. Tyrrell, 
159 
Knott (Dr. C. G.), Magnetic Strain in Bismuth, 222; Earth- 
quakes, 311 
Knorr (Prof.), Different Structural Forms of Diacetyl-succinic 
Ester, 259 
Koch (Prof.), Malaria and Mosquitoes, 595 
Koehler (R.), an Account of the Deep-Sea Ophiuroidea col- 
lected by the Royal Indian Marine Survey Ship /zves¢zgator, 
459 
Kohn (Dr. C. A.), on the Action of Caustic Soda on Benzalde- 
hyde, 609 
Kosters (W.), Electric Charge of freshly-prepared Electrolytic 
Gases, 635 
Kreutz (Herr H.), Comet 1898a (Swift), 63 
Knitik der Wissenschaftlichen Erkenntniss, Dr. H. v. Schoeler, 
147 
Kropotkin (Prince), Sea Gulls and Weather, 439 
Kurlbaum (F.), Emission and Absorption of Platinum Black 
and Lamp-Black with increasing Thickness, 117 ; Emission 
and Absorption of Platinum-Black and Soot, 549 
Laar (M. Van), Symbiotic Fermentation, 609 
Laboratories; the National Physical Laboratory, 25, 3733 5 
School Laboratory Plans, Hugh Richardson, 199; A, E 
Munby, 222, 292; T. S. Dymond, 245; Tables for Quanti- 
tative Metallurgical Analysis for Laboratory Wsesalis “James 
Morgan, 291 
Laborde (J.), Variations in production of Glycerol during Alco- 
holic Fermentation of Sugar, 384 
Lachman (Arthur), the Spirit of Inorganic Chemistry, 78 
Ladd (Prof. George Trumbull), a Theory of Reality, 270 
Lagrange (Prof. E. ), Effect of Sudden Cooling of Red-hot End 
of Iron Bar, 206 
Lamb (C. G.), Distribution of Magnetic Induction in Long 
Iron Bar, 166 
Lamb (Prof. Horace, F.R.S.), Scientific Papers, Prof. Peter 
Guthrie Tait, 98 
Lancashire Sea Fisheries, the, Charles L. Jackson, 341 
Lang (V. von), Transverse Tones of Caoutchouc Threads, 384 
Langley (J. N., #.R.S.), Opening Address in Section I of the 
British ‘Association, 557 
Lankester \(Prof. E. Ray, F.R.S.), Obituary Notice of Sir 
William Henry Flower, K.C.B., F.R.S., 252 
Lannelongue (M.), Toxicity of Children’ s nines 215 
Lapicque (L.), Action of Toluylene-Diamine on Red Blood- 
Corpuscles, 95 
Larvze Collector's Guide and Calender, J. and W. Davis, 244 
Larve from the Head of an Antelope, Richard Crawshay, 150; 
Walter F. H. Blandford, 150 
Latter (Oswald H.), Sedge- -Warblers seizing Butterflies, 520 
Lauder (A.), Corydaline, vi, 115 
Law Connecting Motion in Planetary System, Ch. V. Zenger, 
597 
Lawrence (W. T.), Terebic and Terpenylic Acids, 47 
Le Bel (J. A.), the Stereochemistry of Nitrogen, 612 
Le Chatelier (H.), Use of Potassium Chloride in Explosives of 
Ammonium Nitrate Class, 168; the Black Pottery Earths, 
408 ; Velocity of Detonations of Acetylene, 456 
Lead Compounds in}Pottery Glazes, Prof. T. E. Thorpe, F.R.S., 
and Prof. Oliver W. Burton, 18 
Lebeau (P.), Preparation of Arsenides of Strontium, Barium, 
and Lithium, 264 
Lebon (Ernest), Histoire Abrégée de l’Astronomie, 543 
Lebour (Prof. G. A.), a Fold-Making Apparatus for Lecture 
Purposes, 411 
Lecher (E.), Experiments with Wehnelt’s Interrupter, 456 
Lecture Purposes, a Fold-Making Apparatus for, Prof. G. A. 
Lebour, 411 
Leduc (A.), Ratio of Atomic Weights of Hydrogen and 
Oxygen, 71 
Leduc (Stéphane), Rays Emitted by Electrified Point, 
Wandering Globular Sparks, 264 
Leeds Astronomical Society, 260 
Lehfeldt (Dr. R. A.), Vapour Pressure of Solutions of Volatile 
Substances, 70; on a Flaw in Nernst’s Theory of Electrolytic 
Solution Pressure, 585 
Leidié (E.), the Purification of Iridium, 336 
Lemoine (G.), Action of Magnesium on Saline Solutions, 
360 
Lemoine (J.), the Instantaneous Disappearance of the Kerr 
Phenomena, 336 
Leonids, Observations of, 578 
Leonids, the Coming Shower of, W. F. Denning, 592 
Lepidoptera : Natural Selection in the Lepidoptera, Mark L. 
Sykes, 222; the Larve Collector's Guide and Calender, 
J. and W. Davis, 244; Catalogue of the Lepidoptera of 
Northumberland, Durham, and Newcastle-upon-Tyne, J. E. 
Robson, 590 
Lepidosiren Paradoxa, External Features in Development of, 
J. G. Kerr, 93 
Lepierre (Charles), Fluorine in Mineral Waters, 120 
Lespieau (R.), Dichlor-3"4-butanoic Acid, 336 
Letts (Prof.), Amount and Causes of Carbonic Anhydride of 
Atmosphere, 94 
Level Bubble, Effect of Vibration on a, A. Mallock, 615 
Lévy (Lucien), La Pratique du Maltage, 388 
Lewis (Dr. E. P.), on the Spectral Sensitiveness of Mercury 
Vapour in an Atmosphere of Hydrogen, 587 
Liardet (J. E.), Automatic Steering Register, 134 
Library Cataloguing, a Manual of, J. Henry Quinn, 124 
Life, the Nature and Origin of, Dr Be Allen, 623 
Life of a Star, the, Prof. J. Perry, F. RIS), 247); Drs Ife 
See, 519 
Life-history of the Parasites of Malaria, Major Ronald Ross, 
322 
Light: Polarisation Experiment, J. Cook, 8; the Diffraction 
Process of Colour Photography, Prof. R. W. Wood, 199 ; 
the Wave Theory of Light, its influence on Modern Physics, 
the Rede Lecture, Prof. A. Cornu, 292; Curiosities of Light 
and Sight, Shelford Bidwell, F.R.S., 389; Preliminary 
Report of the Committee on Radiation from a Source of 
Light ina Magnetic Field, 586 ; Remarkable Result Observed 
on the Exposure of Metallic Silver to Light, Colonel Water- 
house, 609 
Lightning Flashes, 
William J. S. Lockyer, 391, 5703 
Shelford Bidwell, F.R.S., 591 
Lightning Flashes, Remarkable, C. E. Stromeyer, 520; Prof. 
Henry Stroud, 520; T. W. Backhouse, 520; I’. H. Glen, 
520 
Lightning, Ribbon and Dark, 423 
Lightning, Magnetic Effects of, Dr. Folgheraiter, 300 
Limerick (Right Rev. Charles Graves, Lord Bishop of), Death 
and Obituary Notice of, 277 s 
Limnology : the Microscopy of Drinking Water, G. C. Whipple, 
146; Examination of Water, W. P. Mason, 146; Dr. Hugh 
Robert Mill, the Reviewer, 174 
Lines of Force, Magnetic, 412 
Linnean Society, 93, 118, 190, 214 
Lippmann (G.), Method of Setting a Collimator, 635 
192 ; 
Dark, Lord Kelvin, F.R.S., 341; Dr. 
Prof. W. Wood, 460; 
