Harker, 414; Vesuvius in 1889, Prof. Palmieri, 18; Geological Excursion to the Active and Extinct Volcanoes of Southern Italy, 133; Activity of Queccia de Salsa, 181; the Catastrophe of Kantzorik, Armenia, F. M. Corpi, 190; the Mount Bandai (Japan) Eruption, 348; the Period of the Long Sea-Waves of Krakatão, James C. McConnell, 392; the Eruption of Popocatepetl, 592 Valpeculæ, R, Variability of, 257 Wharton (Captain W. J. L., F.R.S.): Notes on a Recent Vol- Wheat, Field Experiments on, in Italy, Prof. Giglioli, 404 Whitaker (W.), a Deep Channel of Drift in the Valley of the Vestnik Estestvoznaniya, New Russian Natural Science Re- White (Robert B.), Shining Night-Clouds, 369 Wada (J.): Earthquake of July 28, 1889, at Kiushiu, 23; Cyclone of September 11-12, 1889, in Japan, 208; Meteorology in Japan, 1887, 400 Wagner (Dr.): Behaviour of Water in Soil, 383; Fire-damp Explosions in Mines in Relationship to Cosmic and Meteorological Conditions, 504 Walford (E. A.), Terraced Hill Slopes of the Midlands, 325 Walker (Alfred O.), Foreign Substances attached to Crabs, 296 Walker (General J. T., R.E., F.R.S.), Unit of Length of Sir G. Shuckburgh's Standard Scale, 381 Wallace (Dr. Alfred R.): Protective Coloration of Eggs, 53; Degree of D.C. L. Conferred on, at Oxford, 84; for Degree of DC.L., Prof. J. Bryce's Speech on Presentation of, 112; some Notes on his "Darwinism," T. D. A. Cockerell, 393 Wallace (Prof.), Sheep Farming in Australia, 113 Waller (Dr. Aug.), Electrical Negative Variation of Heart accompanying Pulse, 288 Walls, Training, in Mersey Estuary, Effects of, L. F. V. Harcourt, 380 Walsingham (Lord), Presidential Address to the Entomological Society, 334 Wapiti Acclimatized in Russia, 546 Warburton (Major P. E.), Death and Obituary Notice of, 164 Water, Effect of Oil on Disturbed, Richard Beynon, 205 Waterhouse (F. H.), Index Generum Avium, R. Bowdler Waterhouse (Colonel J.), Photography of Red End of Spectrum, 67 Waterhouse and Thuiller's Conversion Tables for Metric System, 65 Waterspout in Atlantic, 470 Watt (James), Proposed Memorial to, 160 Waves, the Production of, Prof. von Helmholtz on, 95 Wayside Sketches, F. Edward Hulme, 270 Weasel, the Cape, E. B. Titchener, 394 Weather Forecasting, 278 Weather, Influenza and, Mitchell and Buchan, 595 Weather in January, Chas. Harding, 425 Weather and Tidal Forecasts for 1899, D. Dewar's, 546 Weeds, European, in America, 18 Weigert's (Dr.), Treatment of Pulmonary Phthisis, Prof. Visconti, 380 Weismann's (Prof.) Essays, Dr. St. George Mivart, F. R.S., 38 Weismann versus Lamarck, Prof. E. D. Cope, 79 Weismann (Prof. A.): Theory of Heredity, 317, 373, 439; and the Theory of Panmixia, 437 Weiss (F. Ernest), Foreign Substances Attached to Crabs, 272 White (William), British Earthquakes, 202 Will (Dr.), Analysis of Carcote, Chili, Meteorite, 428 Williams (R. P.) and B. P. Lascelles, Introduction to Chemical Williamson (Prof. W. C., F.R.S.): Organization of Fossil Plants of Coal-Measures, 573 Willoughby (Captain Sir John C.), Africa and its Big Game, 298 Wilson (Sir Daniel), on the Recent Toronto Meeting of the Wilson (Woodrow), the State, Elements of Historical and Practical Politics, 196 Wilson-Barker (Captain David), Foreign Substances attached to Crabs, 297 Wimshurst Machine and Hertz's Vibrator, T. A. Garrett and W. Lucas, 515 Wind, Preponderance of North-East Wind during past Five Years, C. L. Prince, 470 Wind at Summit of Eiffel Tower, Mean Hourly Velocity of, A. Angot, 67 Wind-velocity at top of Eiffel Tower, Angot, 48 Winds, Dependence of Force of, upon Surface over which they blow, Dr. Van Bebber, 372 Winds, a Popular Treatise on the, William Ferrel, 124 Winlock (Prof.), Progress of Astronomy in 1886, 374 Wolves, &c., in Germany, Dr. Lampert, 182 Wood (Rev. J. G.), the Brook and its Banks, 53; the Zoo, 53 Woodall (Herbert J.), How not to Teach Geometry, 60 Woodford (C. M.): Further Explorations of Solomon Islands, 403; a Naturalist among the Head-hunters, 582 Woodthorpe (Colonel), the Aka Expedition of 1883, 86 Woodward (A. S.), some British Jurassic Fish-remains, 310 World, Library Reference Atlas of the, John Bartholomew, 413 Worthington (Prof. A. M.), Bourdon's Pressure-Gauge, 296, 517 Wright (M. R.), Elementary Physics, 78 Wrightson (Prof. John): Sources of Nitrogen in Soils, 286; How to know Grasses by their Leaves, by A. N. M'Alpine, 557 Wynne (W. P.), Constitution of Tri-derivatives of Naphthalene, 454 Yatchevsky (M.), Limits of Ever-frozen Soil in Siberia, 472 Young (Prof. C. A.), the Elements of Astronomy, 485 Zeiss's New Apochromatic Microscope Objective, 494 Zoogeography: Wolves, &c., in Germany, Dr. Lampert, 182 Zoological Floating Station at Isefiord, Denmark, 569 Zoology: Who Discovered the Teeth in Ornithorhynchus?, C. Rat in Cornwall, Thos. Cornish, 161; Snake and Fish, Herr Zsigmondy (Dr. Emil), his Alpine Expeditions, 291 Now Ready, Vol. X. Complete. Price to Subscribers 215. per Yearly Volume, post free. THE JOURNAL OF PHYSIOLOGY. BY MICHAEL FOSTER, M.D., F.R.S. [All Rights are Reserved. NALDER BROS., & CO., Sole Makers of Profs. AYRTON and PERRY'S LATEST TYPE OF SECOHMMETERS. AND STANDARDS 132 HORSEFERRY ROAD, WESTMINSTER. TELEPHONE 3120. SECOHMMETER. NEGRETTI AND ZAMBRA'S PRICES ON APPLICATION. OPERA, RACE, & FIELD GLASSES USEFUL AND ORNAMENTAL. OF EVERY DESCRIPTION. UPWARDS. ONE GUINEA AND Barometers, Microscopes, Telescopes, Illustrated Price Lists posted free to all parts of the World. NEGRETTI & ZAMBRA, OPTICIANS AND SCIENTIFIC INSTRUMENT MAKERS TO THE QUEEN. Branches:-45 CORNHILL; 122 REGENT STREET. N. & Z.'s Large Illustrated Catalogue, 1200 Engravings, Price 5s. 6d. THE VICTORIA UNIVERSITY. THE EXTERNAL EXAMINERS OF THE UNIVERSITY. T. ARNOLD, M.A., Fellow of the Royal University of Ireland, Examiner in English Language and Literature. T. G. BONNEY, D.Sc., LL.D., F.R.S., Professor of Geology in University College of London, Examiner in Geology and Paleontology. E. BRAUNHOLTZ, M.A., Ph.D., University Lecturer in French, Cambridge Examiner in French Language and Literature. J. A. EWING, B.Sc.. F.R.S., Professor of Engineering in University College, Dundee. Examiner in Engineering. WILLIAM GARNETT, M.A., D.C.L., Principal of Durham College of Science, Newcastle-on-Tyne, Examiner in Physics. A. PEARCE GOULD, M.S., F.R.C.S., Surgical Tutor in Middlesex Hospital. Examiner in Surgery. A. V. HARCOURT, M.A., F.R.S., Reader in Chemistry in the University of Oxford, Examiner in Chemistry. *MATTHEW HAY, M.D., C.M.. Professor of Medical Jurisprudence, Aberdeen, Examiner in Materia Medica and Pharmacy. G. ERNEST HERMAN, M. B., F.R.C.P., Lecturer on Midwifery in London Hospital, Examiner in Obstetrics. VICTOR HORSLEY, M. B., F.R.C.S., F.R.S., Professor of Pathology in University College, London, Examiner in Pathology. FRANZ LANGE, Ph.D., Professor of German in the Royal Military Academy. Woolwich, Examiner in German Language and Literature. *WILLIAM RAMSEY MCNAB, M.D., F.L.S., Professor of Botany in the Royal College of Science, Ireland, Examiner in Botany. A. G. PESKETT, M.A.. Fellow and Tutor of Magdalene College, Cambridge, Examiner in Classics. REGINALD L. POOLE, M.A., Ph.D., Lecturer on Modern History in Jesus College, Oxford, Examiner in History. G. V. POORE, M.D., F.R.C.P., Professor of Medical Jurisprudence in University College, London, Examiner in Forensic Medicine and Hygiene. *F. T. ROBERTS, M.D., F.R.C.P, Professor of Clinical Medicine in University College Hospital, London, Examiner in Medicine. EDMUND ROBERTSON, M.A.. M.P., (late) Professor of Roman Law in University College, London, Examiner in Law. W. R. SORLEY. M. A, Professor of Philosophy in University College, Cardiff, Examiner in Philosophy and Political Economy. H. M. TAYLOR, M.A., Fellow and Mathematical Lecturer of Trinity College, Cambridge, Examiner in Mathematics. G. D. THANE, M.R.C.S., Professor of Anatomy in University College, London, Examiner in Anatomy. D'ARCY W. THOMPSON, B.A., Professor of Zoology in University College, Dundee, Examiner in Zoology. AUGUSTUS D. WALLER, M.D., Lecturer on Physiology in St. Mary's Hospital Medical School, London, Examiner in Physiology. The Council invite Applications for the above Professorship, vacant by the death of Prof. E. LOREILLE, B.-ès-L. Paris. The Stipend will be £200 per Annum, plus one half of the Fees from Day Students, and the whole of the Fees from Evening Students. Applications, accompanied by Ten Copies of Testimonials, should be sent to the undersigned not later than November 30, 1889. The successful Candidate will be expected to enter upon his duties on January 21. 1890. Candidates are especially requested to abstain from canvassing. GEO. H. MORLEY, Secretary. BALLIOL COLLEGE, CHRIST CHURCH, AND TRINITY COLLEGE, OXFORD. NATURAL SCIENCE SCHOLARSHIPS AND EXHIBITIONS. A combined Examination for Natural Science Scholarships and Exhibitions will be held by the above Colleges, beginning on TUESDAY, NOVEMBER 19. 1889. Three Scholarships and two Exhibitions will be offered, the Scholarship being worth £80 a year. The subjects for examination will be Physics, Chemistry, and Biology, but Candidates will not be expected to offer themselves in more than two of these. Particulars may be obtained by application to A. VERNON HARCOURT, Christ Church, Oxford. LIVING SPECIMENS FOR THE MICROSCOPE. GOLD MEDAL awarded at the FISHERIES EXHIBITION to THOMAS BOLTON, 83 CAMDen Street, BirmINGHAM, Who last week sent to his subscribers Stentor polymorphus, with sketch and description. He also sent out Paludicella Ehrenbergii, Philodina ro seola Hydrodictyon utriculatum, Leptodora hyalina, Corethra, Floscularia, Clathru lina elegans, Limnias ceratophylli, Melicerta ringens, Stephanoceros, Volvax globator; also Amoeba, Hydra, Vorticella, Crayfish, Dog-fish, Amphioxus, and other Specimens for Biological Laboratory work. Weekly announcements will be made in this place of Organisms T. B is supplying. Specimen Tube, One Shilling, post free. Twenty-six Tubes in Course of Six Months for Subscription of £1 12.. or Twelve Tubes for 10s. 6d. Portfolio of Drawings, Eleven Parts, 1. each. A fuller Statement of Particulars and Conditions will be forwarded on application. HONORARY RESEARCH FELLOWSHIPS. A limited number of Appointments will be made in December next Application must be made on or before NOVEMBER 26. There are no emoluments attached to these Fellowships, but Fellows have equal oppor tunities for research in scientific subjects to those enjoyed by the Bishop Berkeley Fellows. A fuller statement will be forwarded on application. HENRY WM. HOLDER, M.A., Registrar. OWENS COLLEGE, MANCHESTER. The Senate invites Applications for the Post of SENIOR DEMONSTRATOR in PHYSIOLOGY, at a Stipend of 150 per Annum. A detailed statement of the duties, &c., may be obtained from the REGISTRAR. Applications, with Testimonials, should be addressed to the Senate, under cover to the REGISTRAR, not later than NOVEMBER 20. HENRY WM. HOLDER, M.A., Registrar. BOTANICAL and ZOOLOGICAL SPECIMENS from the Equatorial Flora and Fauna, especially Orchids and Butterflies.-A. H. REMPEN, Pará, Brazil. Sale by Auction. TUESDAY, NOVEMBER 12, BIRDS EGGS AND LEPIDOPTERA. Mr. J. C. STEVENS will Sell by Auction, at his Great Rooms, 38 King Street, Covent Garden, on TUESDAY. NOVEMBER 12, at half-past 12 precisely, a Collection of British Birds' Eggs. Nests, and Clu ches. Als British Birds' Skins, and a Collection of Lepidoptera, being for the most part the Collections of the late P. H. RYANDS, Esq., of Manchester, and MORGAN DAVIES, Esq.. of Swansea. A small Collection of about 200 Choice Humming Birds, and others, a Collection of Australian Eggs, Cabinets, &c., all in fine condition. On View the Day prior from 2 till 5, and Morning of Sale, and |