Nature, ~| 

 April II, 1912J 



Index 



XI 



Hagstrom (Dr. K. G.), Distribution of Stars of different 

 Spectral Types, 226 



Haldane (Dr. J. S.), C. G. Douglas, Dr. Henderson, and 

 Dr. E. C. Schneider, Physiological Effects of Low 

 Atmospheric Pressures, as observed on Pike's Peak, 

 Colorado, 434 



Hale (Prof. G. E.), Solar Investigation : Address, 292 



Hales (Stephen), Memorial Stone to, 418 



Hall (A. D., F.R.S.) and Dr. E. J. Russell, Agriculture 

 and Soils of Kent, Surrey, and Sussex, 275 



Hall (H. R.), an Addition to the Sen-mut Fresco, at 

 Egyptian Thebes, 382 ; Early Egyptians and Ancient 

 Civilisation, 475 



Hall (H. S.), a School Algebra, 105 



Hall (Rev. J. E.), British Spiders of the Group Tmeticus, 

 156 



Hall (Maxwell), Solar Cycle, Jamaica Rainfall, and Earth- 

 quake Cycles, 125 



Hall, Meinger and Fuller (Messrs.), Geology and Under- 

 ground Waters of Southern Minnesota, 157 



Hallett (Holt S.), Death, 85 



Halliday (W. R.), the Argive Festival of the Hybristika, 

 382 



Hammarsten (Prof. O.), Text-book of Physiological Chem- 

 istry, 376 



Hankin (Dr. E. H.), Cause of Soaring FHght, 326 



Hann (Prof. J.), Handbuch der Klimatologie : iii. Band, 

 542 



Hansen (Dr. G. H. A.), Death, 561 



Harden (Dr. A.) and Dorothy Norris, Bacterial Production 

 of Acetylmethylcarbinol and 2 : 3-butylene Glycol from 

 various Substances, 502 



Harden (Dr. A.) and S. G. Paine, Action of Dissolved 

 Substances upon Autofermentation of Yeast, 234 



Harding (Ch.), Abnormal Weather in 191 1, 199, 358; 

 Glazed Frost, 414, 516 



Hardy (W. B;, F.R.S.), the Colloidal State, J. M. van 

 Bemmelen Memorial Volume, 238 



Harker (Dr. J. A., F.R.S. ), the Data of Physical Chem- 

 istry, J. Castell-Evans, 344 ; the Constants of Nature, 

 Dr. G. W. C. Kaye and Prof. T. H. Laby, F. E. Fowle, 

 477 



Harker (Dr. J. A.) and Dr. G. W. C. Kaye, the Emis- 

 sion of Electricity from Carbon at High Temperatures, 



537 

 Harkins (Prof. William D.), the Kaiser-Wilhelm Institut 



fiir physikalische Chemie und Elektrochemie at Dahlem, 



near Berlin, 76 

 Harlow (F. J.), Cubical Expansion of Fused Silica, 234 

 Harshberger (Dr. J. W.), Distribution of Halophytic Plants 



and Salinity of Subsoil Water, 463 

 Hart (Dr. Berry), the "Free-martin," 311 

 Hart (J. H.), Cacao : a Manual on the Cultivation and 



Curing of Cacao, 375 

 Hartert (Dr. E.), English Green Woodpeckers, 190 

 Hartog (Prof. Marcus), Nutritive Apparatus of the Lower 



Vertebrates, 24 ; the Crop of the Leech, 25 

 Hartog (P. J.), Place of Examinations in Education, 90 

 Hasluck (Mr.), Traces of Genoese Rule in Chios, 381 ; the 



Medicinal Earth, Terra Sigillata, 381 

 Hassert (Dr. K.), the Cameroon Mountains, 224 

 Hatch (Dr. F. H.), Mineralogy, 513 

 Hatta (Prof. S.), Phases of the Lesser Japanese River- 



lampern, 51 

 Haupt (Dr. O.), Untersuchungen uber Oszillationstheoreme, 



1^70 

 Havelock (Dr. T. H.), Optical Dispersion : Comparison of 



the Maxima of Absorption and Selective Reflection for 



certain Substances, 97 ; Influence of the Solvent on the 



Position of Absorption Bands in Solutions, 97 

 Haviland (Archdeacon F. E.), Indigenous Plants of the 



Cobar District, 167 

 Hawes (C. H.), Some Dorian Descendants, 381 

 Hayata (Dr. B.), the Flora of Formosa, 330 

 Hayden (A. F.) and W. P. Morgan, influence of the 



Constituents of a Bacterial Emulsion on the Opsonic 



Index, 66 

 Hemslev (W. Botting, F.R.S.), the Flora of Formosa, 



Dr. B. Hayata, 330 ; Biological Studies in Java, Hugo 



Miehe, 599 



Henderson (Prof. G. G.) and I. M. Heilbron, Constitution 



of Camphene, 258 

 Henkel (F. W.), Weather Science : an Elementary Intro- 

 duction to Meteorology, 102 ; the Zodiacal Light, 187 

 Henry (J. R.), Meteor-showers, 41, 202, 311, 349, 448, 587 

 Hepburn (Prof. D.), Scottish National Antarctic Expedi- 

 tion : the Weddell Seal, 505 

 Hepworth (Commander Campbell), the Weather of 191 1, 



112 ; the Isothermal Layer of the Atmosphere, 414 

 Herdman (Prof.), Food Supply of Aquatic Animals, 24 ; 



Protozoa, 25 

 Heron-Allen (Mr.), Archaeological Finds at Selsey, 221 

 Herschel (Col. J., R.E., F.R.S.), Are Eyes ever Auto- 



phanous? 404 

 Hertz (Dr. A. F.), Goulstonian Lectures on the Sensibility 



of the Alimentary Canal, 273 

 Hertzsprung (Dr.), the Period and Epoch of 68m Herculis, 



54 

 Hewitt (Dr. C. Gordon), Ravages of the Spruce Budworm 



and Larch Saw-fly, 89 ; Control of Insect Pests in 



Canada, 567 . 



Hewitt (J.), Ancestral Stock of Vipers, 153 ; Amphibian 



Faunas of South Africa and Madagascar, 228, 449 

 Hewlett (R. T.), Medical Work of the Local Government 



Board, 296 

 Hill (Dr. Alex.), Are Eyes ever Autophanous? 446 

 Hill (A. W.), Original Homes of Cultivated Plants, 223 

 Hill (Prof. Bostock), Suggested National Health Week, 



227 

 Hill (Rev. E.), the Glacial Sections at Sudbury, Suffolk, 



402 

 Hill (L.) and M. Flack, Physiological Influence of Ozone, 



233 

 Hill (M. D.), Previous Training of Young Biologists, 393 

 Hill (Prof. M. J. M.), Evidence at Royal Commission on 



University Education in London, 313 

 Hilton-Simpson (M. W.), Land and Peoples of the Kasai, 



485 

 Hindle (E.), Fowl Pest, 604 

 Hinks (Arthur R.), Astronomy, 139 

 Hinrichs (G. D.), True Atomic Weight of Silver, 471 

 Hirayama (Prof. S.), Tidal Survey of Japan, 315 

 Hitchcock (Prof. A. S.), Grasses of the Panama Canal 



Zone, 489 

 Hitier (M.), Use of Phosphatic Fertilisers in France, 429 

 Hjort (J.) and E. Lea, Herrings in the North Sea, 523 

 Hnatek (Dr.), Search Ephemerides for Westphal's Comet 



(1852 IV.), 459 ; Stellar Spectra in the Visual Region, 526 

 Hobbs (Prof. W. H.), Characteristics of Existing Glaciers, 



71 

 Hobson (Prof. E. W., F.R.S.), Democratisation of Mathe- 

 matical Education : Presidential Address, 396 

 Hober (Prof. Rudolf), Physikalische Chemie der Zelle und 



der Gewebe, 140 

 Hoek (Dr. P. P. C), Species of Balanus collected by the 



Siboga, 26 

 Hoernes (Lieut.-Col. H.), a Compendium of Aviation and 



Aerostation : Balloons, Dirigibles, and Flying-machines, 



346 

 Holborn and Henning (Drs.), Melting and Boiling Points 



of Metals, 19 

 Homer, the Birds of, J. M. Boraston, 487 

 Homer (Miss A.), Condensation of Tryptophane with cer- 

 tain Aldehydes, 268 

 Honda (Prof.), Thermo-magnetic Properties of Forty-three 



Chemical Elements, 595 

 Hooker (Sir Joseph Dalton, O.M., G.C.S.I., F.R.S.), 



Death, 220 ; Obituary Notice, 249 

 Hooper (B.), Phosphorus in Indian Foodstuffs, 594 

 Hopkins (Dr. C. G.), the Story of the Soil, 541" ' 

 Hopkinson (Prof. Bertram, F.R.S.), a High-speed Fatigue 



Tester, and Endurance of Metals under Alternating 



Stresses of High Frequency, 190 ; the Pressure of a 



Blow : Roval Institution Discourse, 531 

 Home (A. S.), the Cornaceae polyphyletic, 59 ; Somatic 



Nuclear Division in Si>ongospora Solani, 59 ; Two 



Diseases of the Potato Plant, 401 

 Horsburgh (E. M."), the Railwav Transition Curve, 304 

 Horsey (Admiral Sir Algernon F. R. de, K.C.B.), " Dray- 



sonia " : the Svstem of the Second Rotation of the Earth, 



