Supplement to Nature, 

 December 9, 1897 



Index 



Xlll 



61^ Cygni, the Parallax of, Herman S. Davis, 90 

 Cypripedium, Irritant Action on Human Skin of, D. T. 

 NIacDougal, 422 



Daily Temperature Curves in Europe, Dr. van Ryckevorsel on, 



462 

 Dams, Masonry, from Inception to Completion, including 



numerous Formula', Form of Specification and Tender, Pocket 



Diagram of Forces, &c. , C. F. Courtney, 443 

 Dansac-Chassagne Process of Colour Photography, Sir H. 



Trueman Wood, 223 

 Darlington (John), Death of, 471 

 Darwin, the Method of ; a Study in Scientific Method, Frank 



Cramer, 609 

 Darwin (Francis, F. R.S.), Stomata observed by a New Method, 



167 ; on the Behaviour of Stomata, 600; Obituary Notice of 



Julius Sachs, 201 ; on the Ascent of Water in Trees, 307 

 Davenport (Charles Benedict), Experimental Morphology, 563 

 David (Prof.), Coral Island Formation, 549 

 Davies (A. M.)r Y\xs\. Stage Physiography, 586 

 Davies (Benjamin), Influence of Magnetic Field on Radiation 



Frequency, 237 

 Davis and Baffin's Bay, Difference in Climate in Two Sides of, 



R. S. Tarr, 21 

 Davis (Herman S.), the Parallax of 61^ Cygni, 90 j 

 Dawson (Dr. G. M., F.R.S.), the Auriferous Cha acter of 



Huronian Rocks in Canada, 348 ; Opening Address in 



Section C of the British Association, 396 ; the Geological 



Survey of Canada, 471 ; on the First Traces of Man in North 



America, 486 ; Experimental Boring for Petroleum in Canada, 



550 

 Dawson (Sir W. ), on certain pre-Cambrian and Cambrian Fossils, 



485 

 Day (H. D.), Magnetic Increment of Rigidity in Strong Fields, 



188 

 Deacon (G. F. ), Opening Address in Section G of the British 



Association, 409 

 Deakin (Rupert), Euclid, Books I.-IV., 341 

 Deane (Henry), the Age of the Dicotyledons, 349 

 Definition, Telescopic, Conditions for Best, Dr. T. J. J. See, 



386 

 Delages (Yves), Les Theories sur Heredite et les grands Prob- 



lemes de la Biologic generale, 75 

 Delepine (M.), Trioxymethylene and Paraformaldehyde, 240 

 Demoor (Jean), L'evolution regressive en biologie et en socio- 



logie, 292 

 Denison (Mr. F. N.), on " Seiche" Movements on Lakes On- 

 tario and Huron, 462 

 Dental Irregularities in Skulls from the Papuan Gulf, on. Dr. 



G. A. Dorsey, 619 

 Dendrodont Tooth from the Upper Arisaig Rocks of Nova 



Scotia, J. F. Whiteaves, 485 

 Denning (W. F.), Organised or Sectional Work in Astronomy, 

 9 ; May Meteors, 39 ; Zodiacal Radiants of Fire-balls, 185 ; 

 Forecast of the November Meteor Shower, 473 ; Periodical 

 Comets, 518 ; the Observation of Meteors with Special 

 Reference to the Leonids, 613 

 Denning's 1894 I. Comet, Prof. Schulhof. 163 

 Designation, the, of Wave-Clouds, A. H. S. Lucas, 102 

 Deslandres (H.), Complex Composition of Kathode Rays, 47 ; 



the Simple Kathodic Rays, 167 

 Destot (M.), Physiological Disturbances due to X-Rays, 95 

 "Destructor" Electric Station, Shoreditch, 203 

 Determination of Precessional Motion, New, Prof. Simon New- 

 comb, 324 

 Determination of the Solar Constant, New, Dr. G. B. Rizzo, 



504 

 Detmer (Prof. Dr. W.), Botanische Wanderungen in Brasilien, 



3^5. . ^ 



Detroit Meeting of the American Association, 412 

 Development of the Frog's Egg, the, T. H. Morgan, Prof, W. 



F. R. Weldon, F.R.S., 489 

 Deventer (Dr. C. M. van), Physikalische Chemie fiir Anfanger, 



612 

 Devonshire (the Duke of), on Scientific Education, 580 

 Dewar (J.), on the Liquefaction of Fluorine, 126, 596 

 Dey (Kanny Lall), the Indigenous Drugs of India, 196 

 Diagnosis, the Eye as an Aid in General, E. H. Linnell, 493 

 Diagnostic Purposes, a Guide to the Clinical Examination of the 



Blood for, Dr. Richard C. Cabot, icxa 



Diagrams illustrating the Principles of Mining, Twelve, F. T. 



Howard, E. W. Small, 539 

 Diameters of Jupiter and his Satellites, Herr Leo Brenner, 504 

 Diamonds: Sir William Crookes, F.R.S., 325; Artificial 



Diamonds, Dr. Q. Majorana, 500 

 Diastase, the Action of Light on, 259 

 Diatoms : Untersuchunger ueber Bau, Kerntheilung und 



Bewegung der Diatomeen, R. Lauterborn, 291 

 Dickson (Baron Oscar), Death of, 130 

 Diener (Dr. C), Bearing of Geological Research on Destruction 



of Sodom and Gomorrah, 88 

 Diphtheria : Death of Prof. Oertel, 276 ; the Correct Di^nosis 



of Diphtheria Bacilli, Dr. Max Neisser, 298 

 Directory, the Naturalist's, 152 



Disappearance of Nitrates in Mangolds, T. B. Wood, 293 

 Discs, Metal, the Flotation of, A. M. Mayer, 21 

 Diseases of Plants induced by Cryptogamic Parasites, Dr. Karl 



Freiherr von Tubeuf, Prof. H. Marshall Ward, F.R.S., 121 

 Disaggregation of Comets, O. Callandreau, 143 

 Disintegration of Comets, M. M. O. Callandreau, 473 

 Dissett (M. R.), the Origin of Solar and Stellar Light, 89 

 Dissociation into Ions, the Theory of, Spencer Pickering, 



F.R.S., 29; W. C. Dampier Whetham, 29 

 Distant Firing, Sound of, 204 ; W. F, Sinclair, 223 ; C. 



Mostyn, 248 ; F. L. Ortt, 391 

 Distant Stars, Albert Collison, 248 

 Dividing a Given Number, Brief Method of, by 9 or 11, Rev. 



Charles L. Dodgson, 565 

 Divining Rod, the. Prof W. F. Barrett, 568 

 Divining, Water, the Local Government Board and, 131 

 Divisions, New, in the Ring^ of Saturn, Prof. J. M. Schaeberle, 



552 ,,nr 



Dixey (Dr.), Mimicry ini Butterflies, 215 



Dixon (Prof. H. B.),,[ Explosion of Chlorine Peroxide with 



Carbonic Oxide, 93 ; <?n Explosions of Gases, 463 

 Dixon (Dr. H. H.), Copcojiths ii^pujif, Coastal Waters, Prof. J. 



Joly, F.R.S., 468, .'y-^r_ [,\- 

 Dobbie (J. J.), Corydaliiie, 94 



Doberck (Herr), Accidental Errors of Talcott Observations, 39 

 Dodgson (Rev. Charles L.), Brief Method of Dividing a Given 



Number by 9 or 11, 565 

 Dog Running on Two Legs, Worthington G. Smith, 588 ; F. 



M. Burton, 613 

 Dolbear (Prof A. E.), First Principles of Natural Philosophy, 



78 ; the Machinery of the Universe, 612 

 Dolmens of Ireland, the, William Copeland Borlase, R. A. 



Stewart Macalister, 268 

 Domestic Animals, Insects affecting, 136 

 Don (John), First Stage Sound, Light and Heat, 172 

 Donkin (Bryan), the Economic Working of Steam Engines and 



Boilers, 116 

 Doolittle (C. L. ), Constant of Aberration, 255 

 Dorsey (Dr. G. A.), the Lumbar Index among the Anierican 



Races, 501 ; Frequency of Wormian Bone in Artifically 



Deformed Skulls of Vancouver Island Indians, 524 ; on 



Dental Irregularities in Skulls from the Papuan Gulf, 619 

 Dorsey (Dr. N. E. ), Experiments on the Surface Tension of 



Water, 461 

 Double Star 44 Bootis, the, Mr. Bumham, 17 

 Double Stars, Southern, Profs. W. H. Pickering and S. I. 



Bailey, 454 

 Douglass (Mr.), Rotation Period of Jupiter's Third Satellite, 



109 ; Jupiter's Satellites, 255 

 Dove (H. Stuart), a Phenomenal Rainbow, 294 

 Drainage and Irrigation Works in Mexico, 589 

 Drainage Water, Composition of, P. P. Deherain, 336 

 Drechsel (Dr. Edmund), Death of, 594 

 Drilling, Primitive Methods of, J. D. McGuire, 140 ; Franz 



Calice, 317 

 Drude (P.), Action at a Distance, 583 

 Drugs of India, the Indigenous, Kanny Lall Dey, 196 

 Drummond (A. T.), Canadian Old Age Statistics, 277 

 Duane (W.), Damping Effect of Magnetic Field on Rotating 



Insulators, 335 

 Dublin Royal Society, 191, 335 

 Ducru (O.), Electrolytic Separation of Nickel and Cobalt from 



Iron applied to Estimation of Nickel in Steel, 512 

 Duddell (Mr.), on an Apparatus for Mapping the Form of an 



Alternate Current Wave, 462 

 Dumont (G.), Electromoteurs et leurs Applications, 151 



