XXIV 
Index 
Nature, 
June 9, 1904 
Guillaume (J.), Solar Observations at Lyons Observatory 
during 1902, 65 
Guillaume (M.), the Theory of Nickel Steels, 496; Corr., 
567; Elastic Properties of Alloys of Nickel and Iron, 589 
Guillemin (A.), on Osmosis, 263 
Guillet (Léon), Constitution and Properties of the Silicon 
Steels, 192 
Guinness Research Laboratory, Transactions of the, Brew- 
ing and Research, 451 
Gunther (R.), Earth-movements in the Bay of Naples, 274 
‘Guppy (H. B.), Observations of a Naturalist in the Pacific 
between 1896 and 1899, Vanua Levu,’ Fiji, 31 
Gutton (C.), Action of Magnetic Fields on keebly Luminous 
Sources, 359; Magnetic Effect of Convection Currents, 
383; Action of Magnetic Fields on Phosphorescent Sub- 
stances, 455 
Guyot (A.), Action of Phenyl-magnesium Bromide upon 
Anthraquinone, 383 
Haar, Das, die Haarkrankheiten, ihre Behandlung und 
die Haarpflege, Dr. J. Pohl, 100 
Hagenbach (A.), the Line Spectra of the Alkaline Metals, 
137 
Hair: Das Haar, die Haarkrankheiten, ihre Behandlung 
und die Haarpflege, Dr. J. Pohl, 100; the Direction of 
Hair in Animals and Man, W. Kidd, 459 
aaldane (Dr.), Ankylostomiasis in Westphalian Collieries, 
9 
Hale (Prof.), on a Series of Photographs Made with the 
New Rumford Spectro-heliograph Mounted on the 4o-inch 
Refractor, 44 
Hall (Henry), Formation of Coal, 250 
Hall (H. S.), a School Geometry, 363 
Haller (A.), Action of Epichlorhydrin upon the Sodium 
Derivative of Acetylacetone, 239; Action of Phenyl-mag- 
nesium Bromide upon Anthraquinone, 383; Refracto- 
metric Studies Relating to the Constitution of Methinic 
Cyano-acids, 431 
Hallock-Greenewalt (Mary), Pulse-and Rhythm, 470 
Hambuechen (Carl), Plating upon Aluminium, 622 
Hamilton (Captain Barrett), Winter Whitening of Animals, 
Lecture at Royal Irish Academy, 116 
Hammer (Mr.), Water in which a Tube Containing Radium 
is Immersed becomes Radio-active and capable of Af- 
fecting a Photographic Plate, 375 
Hamonet (l’Abbé J.), Preparation of Ether Oxides by Means 
of Magnesium Compounds and Halogen Methyl Ethers, 
552 
Hampson (Sir George F., Bart.), Catalogue of the Lepi- 
doptera Phalaenze in the British Museum, 173 
Hann (Dr. Julius), Handbook of Climatology, 3 
Hann (Prof. Hofrath Julius), Barometric Seesaws, 4o1 
Hannay (J. B.), the Higher Glycerides, 574 
Harbours, the Sanding-up of Tidal, A. E. Carey at the 
Institution of Civil Engineers, 332 
Hardy (G. H.), Roots of the Equation ae =Const., 
ple + 1) 
382; Extensions of Abel’s Theorem on Power Series on 
the Circle of Convergence, 382 
Hardy (W. B.), the Sensation of Light Produced by 
Radium Rays and its Relation to the Visual Purple, 94 
Hargitt (Prof. C. W.), Some Unsolved Problems of Organic 
Adaptation, 404 
Hargreaves (Lieut.), Survey Expedition to Tibet, 61 
Harker (J. A.), High Temperature Standards of 
National Physical Laboratory, 429 
Harris (W. H.), the Emission of Musical Notes by the 
Hover-flies of the Genus Eristalis, 158 : 
Hartmann (Prof.), Revision of Rowland’s Wave-lengths, 37 
Hartwig (Prof. Ernst), Variable Stars of the Orion Nebula, 
620 
Harvard College Observatory, Report of the, Prof. E. C. 
Pickering, 350 
Harvard Meridian Photometer Observations, Prof. Solon I. 
Bailey, 305 
Hatcher (J. B.), Narrative of the Expeditions and Geo- 
graphy of Southern Patagonia, 253 
Havelock (T. H.), Mathematical Analysis of Wave-propa- 
gation in Isotropic Space of p Dimensions, 599 
Haze, Coloured, Around the Moon, Angus Rankin, 344 
the 
Healey (Miss Maud), on Some Upper Jurassic Ammonites, 
166 
‘“ Heartwater,’’ the South African Sheep and Goat Disease, 
C. P. Lounsbury, 91 
Heart-wood of Trees, the, Prof. M. C. Potter, 494 
Heat: Heating Effect of the Radium Emanation, Prof. 
Arthur Schuster, F.R.S., 5, 55; Prof. E. Rutherford, 
F.R.S., and Prof. H. T. Barnes, 126; the Heat of 
Radium, Prof. Edmund J. Mills, F.R.S., 224; Calculation 
of the Heat of Combustion of Organic Acids, P. Lemoult, 
24; the *‘ Bovla’’ Tube, Newton and Co., 36; the Deter- 
mination of Vapour Densities at High Temperatures by Ap- 
plication of the Diffusion Method of Bunsen, Prof. Emich, 
113; the’ Temperature of Flame, Ch. Féry, 143; Specific 
Heat of Metals at Low Temperatures, H. E. Schmitz, 143 ; 
Mechanics, Molecular Physics and Heat, Robert Andrews 
Millikan, 150; le Point critique des Corps purs, 217; 
Relation of Temperature to the Keeping Property of 
Milk, H. W. Conn, 303; High Temperature Standards 
of the National Physical Laboratory, J. A. Harker, 429; 
a New Dilatometer, B. F. E. Keeling, 454; Comparative 
Actions of Heat and the n-Rays on Phosphorescence, R. 
Blondlot, 503 ; Specific Heats of Metals and the Relation 
of Specific Heat to Atomic Weight, Prof. W. A. Tilden, 
F.R.S., 526; Boiling Points of Homologous Compounds, 
H. Ramage, 527. Electric Resistance Thermometry at 
the Temperature of Boiling Hydrogen, Prof. James 
Dewar, F.R.S., 573; Heat of Formation of Glucinum 
Chloride, J. H. Pollok, 574; Physical Constants at Low 
Temperatures, (1) the Densities of Solid Oxygen, Nitro- 
gen, Hydrogen, &c., Prof. James Dewar, F.R.S., 598; 
Interesting Reaction the Rate of which is Diminished 
by Raising the Temperature, Clara C. Benson, 619 
Heath (Harold), Animal Studies: a Text-book of Ele- 
mentary Zoology for Use in High Schools and Colleges, 
220 
Heaviside (Oliver, F.R.S.), the Radiation from an Electron 
Describing a Circular Orbit, 293; the Radiation from 
an Electron Moving in an Elliptic or any other Orbit, 
342; the French Academy, 317 
Hedin (Sven), Central Asia and Tibet, 225 
Hefner-Alteneck (Dr. von), Death of, 255 
Heinzerling (Dr. Christian), Death of, 348 
Hele-Shaw (Prof., F.R.S.), University Education in South 
Africa, 544 
Helmholtz Theory of the Microscope, the, J. W. Gordon, 
97 
HER eobere Shells, Attraction between Concentric, 
George W. Walker, 560; Prof. A. Gray, F.R.S., 560 
Hemptinne (Alex. de), Action of Magnetism on Phos- 
phorescence, 528 $ 
Hemsalech (Dr. G. A.), Spectrum of the Glow Discharge 
at Atmosphéric Pressure, 599 
Henderson (Prof. G. G.), on a Double Chloride of Molyb- 
denum and Potassium, 142 ee 
Henri (Victor), Osmotic Regulation of the Internal Liquids 
in Echinoderms, 48; Action of the Radium Radiations 
on Colloids, Hamoglobin, Ferments, and the Red Cor- 
puscles, 432 ‘ 
Henriet (H.), Formaldehyde in Atmospheric Air, 336 
Henry (John R.), Leonid Meteor Shower, 1903, 80; the 
Recent Leonid Shower, 224; the Quadrantid Meteor 
Shower of 1904, 272 ; 
Henry (Louis), Trichlorisopropyl Alcohol, 336 
Henry (Dr. T. A.), a New Mineral from Ceylon, 559 
Henslow (Prof. G.), South African Flowering Plants, 460 
Herbertson (Dr. A. J.), the Teaching of Geography, Prof. 
J. W. Gregory, F.R.S., 195; the Austral Geographies, 
Prof. J. W. Gregory, F.R.S., 195 
Hercynia, Vegetation in, Dr. Oscar Drude, 49 5 
Herdman (Prof. W. A., F.R.S.), the Pearl-oyster Parasite 
in Ceylon, 126; Report to the Government of Ceylon 
on the Pearl Oyster Fisheries in the Gulf of Manaar, 
465; Spawning of the Plaice, 465, 488 ; : 
Heredity : Ueber Erblichkeit in Populationen und in reinen 
Linien, Ein Beitrag zur Beleuchtung  schwebender 
Selektionsfragen, Prof. W. Johannsen, 149; Prof. 
Johannsen on Heredity, G. Udny Yule, 223; the Re- 
viewer, 224; Nomenclature and Tables of Kinship, 
Francis Galton, F.R.S., 294; Hering’s Theory of Here- 
