Nature, ] 
December 14, 1899. 
Lndex 
Walters (1°. Rufenacht), Sanatoria for Consumptives in Various 
Parts of the World, 221 
Wanklyn (J. Alfred), Sewerage Analysis, 172 
Warning Colours in Butterflies, Illustrations of Mimicry and 
Common, Mark L. Sykes, 222 
Warning Colours, Mimicry and, Edward B. Poulton, F.R.S., 
Prof. R. Meldola, F.R.S., 55 
Ward (Prof. H. M., F.R.S.), a Horn-Destroying Fungus, 92 
Ward (Prof. Marshall), Symbiotic Fermentation, 609 
Warren (E.), Inheritance in Parthenogenesis, 142 
Warships, Mechanical Engineering in, Sir Wm. H. White, 
K.G.B:, B.R.S:,20 
Washington (H. S.), Italian Volcanic Rocks, 612 
Washington Navy Yard, New Experimental Basin in, 374 
Washington Star Catalogue, Second, 18 
Water : the Microscopy of Drinking-Water, G. C. Whipple, 
146; Examination of Water, W. P. Mason, 146 ; Preliminary 
Results of a Research on the Variation of the Specific Heat 
Water with Temperature, Prof. Callendar, 585 
Waterhouse (General), the Sensitiveness of Polished Silver to 
Light, 539 
Waterhouse (Colonel), on a Remarkable Result observed on 
the Exposure of Metallic Silver to Light, 609 
Watson and Son’s (Messrs.) ‘‘ Kromaz” Colour Photographic 
Apparatus, 539 
Watts (Prof. W. W.), on a Smoothed and Grooved Surface of 
Mount Sorrel Granite underlying Undisturbed Keuper Marl, 
610 
Wave or Billow Clouds, 235 
Wave Theory of Light, the, its Influence on Modern Physics, 
Prof. A. Cornu, 292 
Waves, Deep-Sea, V. Cornish, 586 
Wearing away of Sand Beaches, the, W. H. Wheeler, 115 
Weather, Sea Gulls and, Prince Kropotkin, 439 
Weather, Movement of Sea-Gulls with a coming Change of, 
Lieut.-Colonel H. H. Godwin-Austen, F.R.S., 491; W. F. 
Sinclair, 545 
Weathers (John), die Alpen Pflanzen in der Gartenkultur der 
Tieflander, Erich Wocke, 6; das Heidelberger Schloss und 
seine Garten in alter und neuer Zeit und der Schlossgarten 
zu Schwetzingen, H. R. Jung, W. Schroder, 52 
Webb (Wilfred Mark), the Exhibition of Recent Acquisitions 
at the Natural History Museum, 12; the International Con- 
ference on Hybridisation and Cross-breeding, 305 
Weber (R. H.), Resistance of Alloys, 540 
Webster (H. Cayley), through New Guinea and Cannibal 
Countries, 49 
Wehnelt (A.), Kathode Rays, 456; Experiments on Kathode 
Rays, 576 
Wehnelt interrupter, Dr. J. Macintyre, $8; A. Voller and B. 
Walter, 456; Action of, H. T. Simon, 383 ; Experiments 
with, E. Lecher, 456 
Weighing, Measurement and, E. Edser, 221 
Weir (James), the Dawn of Reason, 100 
Weismann (August), Thatsachen und Auslegungen in Bezug auf 
Regeneration, 242 
Wells (W.), Essentials of Plane and Solid Geometry, 290 
Wellman Polar Expedition, 426 ; Return of, 399 
Welt als That, die, J. Reinke, 490 
West Indian Bulletin, the, 371 
West Indian Hurricane of August 3—September 12, 1899, the, 
622 
West Indies, Commercial Cuba, William J. Clark, 7 
Weston (C. P.), Determination of Modulus of Elasticity for 
Copper, Brass and Steel under Small Loads, 485 
Wharton (Rear-Admiral Sir W. J. L., K.C.B., F.R.S.), Under- 
currents, 316 
Wheeler (W. H.), the Wearing away of Sand Beaches, 115; 
Tides in the Bay of Fundy, 461 
Whipple (G. C.), the Microscopy of Drinking-Water, 146 ; 
Ostertonella Formosa, 624 
White (Taylor), Asia, the Land of Rice, 8; the New Zealand 
Godwit (Zimosa Novae-Zelandiae), 29 
White (Sir William, K.C.B., F.R.S.), Mechanical Engineering 
in Warships, 20; Opening Address in Section G of the 
British Association, Steam Navigation, 527 
White Spot on Jupiter, Ph. Fauth, 161 
Whiteaves (J. F.), the Devonian System of Canada, 515 
Whitehead (C. S.), Electro-magnetic Theory, Vol. ii., 589 
XXXV 
Whitehead (John), Death of, 204 
Whiteley (M.A.), Study of Variability and Correlation of Hand, 
gI 
Whitmore (Dora), Pair of Brazilian Marmosets Breeding in 
England, 199 
Whittaker (E. T.), Report on the Problem of Three Bod 
584. 
Wiborgh (Prof. J.), the Use of Finely Divided Iron Ore, 
402 
Wiedemann (E.), Experiments on Kathode Rays, 576 
Wiedemann’s Annalen, 117, 212, 383, 456, 540, 635 
Wiener (O.), Observations of Fringes in Development of 
Daguerre Plates with Wedge-shaped Silver Iodide Layers, 
8 
Wiesbaden, the Scientific Conference at, 634 
Wilczynski (Dr. E. J.), Dynamical Theory of Nebule, 281 
Williams (H. S.), Palzeotrochis, 117 
Wilson (C. T. R.), Comparative Efficiency as Condensation 
Nuclei of Positively and Negatively Charged Ions, 238 
Wilson (Sir C. W.) K.C.B., F.R.S., Leitfaden der Kartenent- 
wurfslehre, Prof. Dr. Karl Zoppritz, 435 
Wilson (H. A.), Electrical Conductivity of Flames containing 
Salt Vapours, 69 
Wilson (Wm. H.), Habits of the Cuckoo, 175 
Wind (Dr. C.), the Diffraction of Rontgen Rays, 300 
Wine-making : Improvement of Wines by preliminary Heating 
of Must, A. Rosenstiehl, 24 
Wireless Telegraphy, Prof. D. E. Hughes, 35 
Wireless Telegraphy between Two Balloons, 278 
Witchell (C. A.), Cries and Calls of Wild Birds, 171 
Wocke (Erich), die Alpen Pflanzen in der Gartenkultur der 
Tieflander, 6 
Wolff (J. E.), Age of Franklin White Limestone of Sussex 
County, New Jersey, 182 
Women’s International Congress, Science at the, 228 
Wood (Prof. R, W.), the Diffraction Process of Colour-Photo - 
graphy, 199; Dark Lightning, 460 
Wood (Walter J.), Graduated Test Papers in Elementary 
Mathematics, 52 
Woodhead (Prof. G. Sims), Is Insusceptibility to Vaccine Pro- 
duced by Small-pox, 436 
Woodworth (J. B.), Glacial Wash-Plains of Southern New 
England, 258 
Woodworth (Dr. R. S.), the Accuracy of Voluntary Movement, 
549 
Worthington (A. M.), Impact with a Liquid Surface studied 
by Instantaneous Photography, 93 
Wortman’s (Dr. J. L.) Expedition to Wyoming for Dinosaurs, 
577 
Wrapson (James P.), Mathematical Tables, 590 
Wyrouboff (G.), Constitution of Oxides of Rare Metals, 240 
Year-Book of the United States Department of Agriculture, 
1898, 315 
Yeast, on the Combined Action of Diastase and, on Starch 
Granules, Dr. G. H. Morris, 608 
Yerkes Object-glass, Temperature Changes in, Prof. Barnard, 
281 
Yorkshire, Extra-Morainic Drainage in, Prof. P. F. Kendall, 
610 
Yttrium, on Victorium, a New Element Associated with, Sir 
William Crookes, F.R.S., 317 
Young (Prof. S.), Thermal Properties of Normal Pentane (Part 
IL.), 118 
Young (T. E.), Centenarians and the Duration of the Human 
Race, 73 
Younghusband (Major G. J.), the Philippines and Round About, 
149 
Zander, (Dr. E.), Abdominal Bristle-like Apparatus o Hy- 
menoptera, 432 
Zeitschrift fiir Wissenschaftliche Zoologie, 117, 432 
Zeleny (John), Rontgen Rays and Convection Currents, 86 
Zenger (Ch. V.), Law Connecting Motion in Planetary System, 
597 
Zenneck (J.), Accurate Control of Frequency of Alternating Cur- 
rents, 384 
