XXIV 
Hutchinson (Dr. A.), Discrepancy in the Results of Meigen’s 
Method of Discriminating Calcite and Aragonite, 215 
Hutton (Frederick Wollaston, F.R.S.), the Lesson of Evolution, 
219 
Hutton (R. S.), Fusion of Quartz in the Electric Furnace, 66 
Huxley (Thomas Henry), the Life of, Edward Clodd, Sir W. T. 
Thiselton-Dyer, K.C.M.G., IF'.R.S., 121; the Scientific 
Memoirs of, vol. iv., 241 
Tiuxley Memorial Tablet, the, 658 
Huygens’ Principle in a Uniaxial Crystal, Prof. Conway, 215 
Hyatt (Prof.), Work of the Late, 330 
Hydraulics; Diagrams of Mean Velocity of Uniform Motion of 
Water in Open Channels, Based on the Formula of Ganguillet 
and Kutter, Prof. Irving P. Church, 439; the Formation 
of Liquid Drops and Tate’s Laws, Ph. A. Guye and F. Louis 
Perrot, 544, 672 
Hydrography: Tidesin the Bay of Fundy, W. Bell Dawson, 
85; Hydrographical Observations of the Princess Alice, 
. Y. Buchanan, F.R.S., 376; the Hydrography of the 
Faeroe-Shetland Channel, Prof. D’Arcy W. Thompson, 654 ; 
B. Helland-Hansen, 654 
Elydrogen, Apparatus for Liquefying, Dr. Morris W. Travers, 
204 
Hygiene: Traité de Bactériologie Pure et Appliquée a la 
Médicine et 4 l’Hygiene, P. Miquel and R. Cambier, Dr. E. 
Klein, F.R.S., 316; Hygiene for Siudents, Edward F. 
Willoughby, 342 ; Shaw Prize for Industrial Hygiene awarded 
by Society of Arts to James Tonge, jun., 377; Water Supply, 
Prof. William P. Mason, 458 
Ichthyology: Action of Spurge on Salmonoid Fishes, H. M. 
Kyle, 45; Scales of Fishes as an Index of Age, J. Stuart 
Thompson, 84; Multiplication of Trypanosomes in Fishes, 
A. Laveran and F. Mesnil, 216; Digestive Tract of Salmon 
and Sea-trout Kelts, J. K. Barton, 257; ‘Fox Shark” or 
‘* Thrasher” in the English Channel, E. Ernest Lowe, 272; 
les Poissons du Bassin du Congo, G. A. Boulenger, 339 
Identification, Finger Print Evidence, Dr. Francis Galton, 
F.R.S., 606 
Illyrischen Lander, Die Vegetationsverhialtnisse d., Dr. Giinther 
Ritter Beck v. Mannagetta, 2 
Immunity, Recent Studies of, with Special Reference to their 
Bearing on Pathology, Prof. Welch, 611 
India: the Attractions of the Himalaya Mountains upon the 
Plumb-line in India, Major S. G. Burrard, 80; the Tribes of 
the Brahmaputra Valley, L. A. Waddell, 91; the Coorgsand 
Yeruvas, an Ethnological Contrast, T. H. Holland, 91 ; the 
Ruling Races of Prehistoric Times in India, South-Western 
Asia and Southern Europe, J. F. Hewitt, 145; Rainfall in 
India, 230, 278 ; on Some Phenomena which Suggest a Short 
Period of Solar and Meteorological Changes, Sir Norman 
Lockyer, K.C.B., F.R.S., and Dr. William J. S. Lockyer, 
245 ; the Plague in the Punjab, 484 ; Earthquake at Kashgar, 
5533; Fauna of British India, Including Ceylon and Burmah, 
Rhynchota, W. L. Distant, 548; Geology of Western 
Rajputana, Tom D. La Touche, 612; Indigo Cultivation in 
British India, 636; the Rinderpest Serum, 659 
Indies, West, Volcanic Eruptions in the, 79, 178, 203, 204; 
Prof. J. Milne, F.R.S., 107, 151 ; see a/so Volcanoes 
Indigo Cultivation in British India, 636 
Indigofera, Notes on, David Prain and Edmund Baker, 21 
Induction-coils, Mechanical Break for, Dr. Dawson Turner, 21 
Infroit (M.), Precautions Necessary in the Use of Ruhmkorff 
Coils in Radiography, 264 
Infusoria : Structure of Acinetines, Prof. Marcus Hartog, 262 ; 
the Genus Syncheta, C. F. Rousselet, 448 
Ingle (Herbert), Manual of Agricultural Chemistry, 245 
Ingranaggi, La Costruzione degli, Prof. D. Tessari, 218 
Insanity, a Text-book of, Charles Mercier, 5 
Insects: Injurious and Useful Insects, L. C. 
293 
Institution of Civil Engineers, ‘‘ James Forrest’ Lecture at, the 
Relations between Metallurgy and Engineering, Sir W. C. 
Roberts-Austen, K.C.B., F.R.S., 18 
Institution of Electrical Engineers and Electrical Legislation, 
35 ; Deputation on Electrical Legislation, 199 
Intelligence, Animal, Ly C. Hurt, 459 
Interference of Sound, the Right Hon. Lord Rayleigh, F.R.S., 
at the Royal Institution, 42 
Miall, F.R.S., 
Index 
Nature, 
Dec. 13,,1902 
International Catalogue of Scientific Literature, Prof. J. B. 
Farmer, F.R.S., 217 ; Prof. Herbert McLeod, F.R.S., 436 
International Council for the Exploration of the Sea, the First 
Meeting of the, 346 
International Meteorological Committee, the, 608 
Invisibility of Transparent Objects under Uniform Illumination, 
a Method of Showing the, Prof. R. W. Wood, 102 
Ipswich, Paleolithic Implements in, Nina Frances Layard, 77 
Ireland: Royal Irish Academy, 47; New Path Along the 
Goban’s Cliffs, R. Welch, 417 ; Cuchulain of Muirthemne, the 
Story of the Men of the Red Branch of Ulster, Lady Gregory, 
489; Results of Exploration of Various Irish Caves, 619 ; 
Proof Sheet of the ‘* Drift” Edition of the Geological Map 
of Ireland, Mr. Teall, 619 ; Water Power Available in Ireland, 
Mr. Dick, 644; Map of Ireland Showing Distribution of 
Rainfall, Dr. Mill, 644; Irish Flints, W. J. Knowles, 663 ; 
Important Stone Axe Factories Discovered near Cushendall, 
Co. Antrim, W. J. Knowles, 663; Bronze Objects of the 
Hallstatt Culture Phase in Ireland, 663; Mental and Moral 
Characteristics of the People of Ulster, Dr. W. Graham, 
664 ; 
Tron and Steel Institute, 62, 487 
Iron and Steel Institute, Journal of the, General Index, 342 
Iron, Electrical Conductivity of Steel and Pure, C. Benedicks, 
160 
Iron, Electrical Resistance of, at Very Low Temperatures, 
E. Philip Harrison, 343 
Irvine (Dr. J. C.), onthe Alkylation of Sugars, 662 
Irving (A.), Science and London Matriculation Examination, 
320 
Irving (Rev. Dr. A), Science in the Public Schools, 459 
Isle (M. Rollet de I’), the Eruption of Martinique, 485, 516 
Italy: Record of Italian Earthquakes (1891-1900), Dr. A. 
Cancani, 66; Changes in the Birth and Death Rates in Italy 
During the Last Forty Years, Prof. Giuseppe Sormani, 660 
Ives (F. E.), the Half-tone Trichromatic Process of Colour- 
printing, 207 ; Parallax Stereogram, 582 
Jackson (C. S.), Slide Rule Notes, 292 
Jackson (Profs. D, C. and J. P.), an Elementary Book on 
Electricity and Magnetism and their Applications, 439 
Jaffé (Prof. Max), Chemische und Medicinische Untersuchungen 
Festschrift zur des Sechzigsten Geburtstages von, 363 
Jacquard (Adrien), on the Measurement of Temperature, 382 
Jamaica, Mean Maximum Temperature and the Rainfall of, 
and Sunspot Frequency, Maxwell Hall, 206 
Jamieson (W. R.), a Method of Treating Parallels, 576 
Japan, Seismic Frequency in, Prof. J. Milne, F.R.S., 202 
Japanische Mythologie, Nihongi ‘‘Zeitalter der Gotter,” Dr. 
Karl Florenz, 546 
Jaspers of South-eastern Anglesey, Edward Greenly, 95 
Java, Volcanic Eruption in, Brilliant Sunset Glows in 1901 and 
Probable Glows from the Eruption in Martinique, Henry 
Helm Clayton, 1ot 
Javillier (Maurice), Rennet in Plants, 192 
Jean (Ferdinand), Examination and Estimation of Extract of 
Chestnut Wood Mixed with Oak Extract, 624 
Jee (Dr.), Crystallographic Study of the 1 : 3-Dichloro-, Chloro- 
bromo: and Dibromo-benzene 5-Sulphonic Chlorides and 
Bromides, 663 
Jeffers (E. H.), Purification of Hydrochloric Acid from Arsenic, 
119 
Jenkin (A. R.), Peculiar Appearance at and After Sunset, 230 
Jensen (H. J.), Possible Connection Between Volcanic Eruption 
and Sunspot Phenomena, 360 
Jetties, on Single Curved versus Double Straight, Lewis B. 
Haupt, 39 
Job (Andre), Glucose and the Carbonates of Cerium, 72 
Johnson (Dr. H. P.), Collateral Budding in Two Annelids, 86 
Johnston (Prof.), on the Distribution of Peat Bogs in Ireland, 
643 
Johnston (S. J.), Australian Entozoa, New Distomum from 
the Sawfish-shark, 516 
Johnston (Dr. T. N.), Evidence of a ‘‘Seiche” on a Scottish 
Loch, 162 
Joly (Prof. Chas. J.), Quaternion Integrals Depending on a 
Single Quaternion Variable, 47 
Joly (Prof. J., F.R.S.), Method of Observing Altitudes at Sea 
During Nighttime, 186 ; Marconi’s Results in Day and Night 
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