Index 



V Nature, 



y^Decembe} 13, igo6 



of the Blue Nile, a Record of a Journey through the 

 Sudan to Tsana in Western Abyssinia, and of the Return 

 to Egypt by the Valley of the Atbara, with a Note on the 

 Religion, Customs, &c., of Abyssinia, Arthur Hayes, 

 Entomological Appendix by Prof. E. B. Poulton, F.R.S., 



Johnston (John), Methyl Derivatives of Para-amino-benzoic 

 Acid and of Glycine, 407 



Johnston-Lavis (Dr. H. J.), a Nevi? Vesuvian Mineral, 103 ; 

 Lanterji-slide \"iews illustrating the Late Eruption of 

 \'esuviiis, 165 ; .Another New Vesuvian Mineral, 174 



Johnstone (James), Report for 1905 on the Lancashire Sea 

 Fisheries Laboratory at the University of Liverpool, and 

 the Sea Fish Hatchery at Piel, 19 ; the Food of Plaice 

 and Dabs, 20 ; British Fisheries, their Administration and 

 their Problems, a Short Account of the Origin and 

 Growth of British Sea-fishery Authorities and Regula- 

 tions, 535 



Joly (Prof. J.. F.R.S.), Radium and Geology, 635 



Jones (B. Moual), a Variety of Thorianite from Gallo, 

 Ceylon, 190 



Jones (Prof. Harry C), the Electrical Nature of Matter 

 and Radio-activity, 632 



Jones (Prof. Henry), the Philosophy of Martineau in Rela- 

 tion to the Idealism of the Present Day, 53 



Jones (J.), Rubber from Castilloa Trees, 280 



Jordan (Dr. D. S.), Variation in Animals and Plants, 183 



Jordan (Karl], der Gegensatz zwischen geographischer und 

 nichtgeographischer Variation, 6 



Joyce (T. .\.), on the Ethnography of the Ba-Yaka, 456 



Jubilee of the Coal-tar Industry, International Celebration 

 nf the. Dr. J. C. Cain, 318; American Chemists and the, 

 Prof. R. Meldola, F.R.S., 514; see Chemistry 



Julius (Prof.), Radiative Power of the Sun's Disc, 231 



Jungfleisch (E.), Paltreubin, 167 



Jupiter : Observations of Jupiter in 1903 and 1905-6, Mr. 

 Denning, 210; Observations of Jupiter, Mr. Denning, 

 525; Jupiter's .Sixth Satellite, 595: Prof. Campbell, 524: 

 Elements and Ephemeris of Jupiter's Seventh Satellite, 

 Dr. F. E. Ross, 306; Jupiter's Seventh Satellite, Prof. 

 Perrine, tiiq ; Rotation Period of Jupiter's Equatorial 

 Region, Mr. Denning, 549 



Kahlenberg (Prof. Louis), Osmosis and Osmotic Pressure, 



iq ; Osmotic Pressure, 222 

 Kahn (H. Morel), Solubilitv of Carbon in Calcium Carbide. 



288 

 Kant's (Immanuel) Grundlegung zur Metaphvsik der Sitten 



488 

 Kapteyn (Prof. J. C). the Distribution of the Stars, 112; 

 Components of the Proper Motions and other Quantities 

 for the Stars of Bradley, 341 ; some Useful Trigono- 

 metrical Formula and a Table of Goniometrical Func- 

 tions for the Four Quadrants, 341 

 Kapteyn (Prof. W.), some Useful Trigonometrical FormuK-c 

 and a Table of Goniometrical Functions for the Four 

 Quadrants, 341 

 Karstphiinomene, Hohlenkunde mit Berucksichtlgung der. 



Dr. \\'. von Knebel, 314 

 Katayania (T.), Condensed \'egetable Milk, 649 

 Kause (Georg), Oologia universalis palsearctica, 79 

 Kavan (Dr. Jii^f), Radiant Point of a Bright Meteor, 18 

 Keith (Dr. R. D.), on the Relationships between H.xmo- 



lysis and the Phagocytosis of Red Blood Cells, 118 

 Keller (C. .\.), Electrothermics of Iron and Steel, 23 

 Kelly (Dr. Henry .A.), a Text-book of General Zoology, 633 

 Kelvin (Lord), the Recent Radium Controversy, 539 

 Kendall (Prof.), on the General Geological Structure of 



the Country round York, 549 

 Kermode (P. .M. C), Illustrated Notes on Manks .Antiqui- 

 ties, 152 

 Kew : the Wild Fauna and Flora of the Royal Botanic 

 Gardens, 53 ; Kew Bulletin of Miscellaneous Inform- 

 ation, 180; Kew Publications, Sir W. T. Thiselton- 

 Dyer, K.C.M.G., F.R.S., 198 

 Keyser (Charles R.), Strength of a Beetle, 318 

 Keyserling (Hermann Graf), das Gefiige der Welt, Versuch 



einer kritische Philosophie, 533 

 Kistiakow<.ky (Prof. W.), Relationship between the Surface- 



tension Values of Different Liquids Analogous to 



Trouton's Rule, 548 

 Kites, Meteorological, in India, 448 

 Klein (Henry Oscar), Collodion Emulsion, 5 

 Knebel (Dr. Walther von), the Hot-spring Areas of Iceland, 



16; Hohlenkunde mit Berucksichtlgung der Karst- 

 phiinomene, 314 

 Knietsch (Dr. Rudolf), Death and Obituary Notice of, 155 

 Knight (S. R.), Elementary Trigonometry, Supp. to May 3, 



viii 

 Knocker (F. W.), on the Aborigines of Sungei Ujong, 456 

 Knott (Dr. C. G.), the Notation and Use of Vectors, 454 ; 



Vectors, &c., at the British Association, 585 

 Knowles (F. K.), Influence of Nearly Pure Metallic Man- 

 ganese alloyed with varying Proportions of Nearly Pure 



Metallic Iron, 68 

 Knuth (Dr. Paul), Handbook of Flower Pollination based 



on Hermann Miiller's Work " The Fertilisation of 



Flowers by Insects," 605 

 Kodaikanal Observatory, the, Monteith Macphail, 525 

 Kofoid (Dr. C), Bucket for obtaining Samples of Water 



from Considerable Depths, 130 

 Konig (Dr. E.), Natural-colour Photography, Supp. to 



October 11, vi 

 Kopff (Herr), Rediscovery of Finlay's Comet (1906^), 282 ; 



Discovery of a New Comet (i9o6<!), 452 

 Kopff, Coriiet 1906b, M. Ebell, 158; Prof. Wolf, 158 

 Kopff, Comet 19061;, M. Ebell, 474, 499, 575 ; Prof. E. C. 



Pickering, 49Q ; Dr. Graff, 499 ; Prof. Slillosevich, 575 ; 



Messrs. Crawford and Champreux, 619 

 Kort^ (Dr. de), Beri-beri in Monkeys, 529 

 Kothner (Dr. P.), Naturkonstanten in .Mphabetischer 



Anordung, 442 

 Kowalski (J. de). Spectra of Alloys, 72 

 Kronthal (Dr. Paul), the Soul as the Sum of Reflexes, 15 

 Kuckuck (P.), Atlas Colori^ des Plantes et des Animaux 



des Cotes de France, 102 

 Kynaston (H.), the Geology of Mid-Argyll, 9 

 Kynaston (Mr.), Country between Pretoria and Pieters- 



burg, 646 



La Touche (T. D.), Coalfields in the Shan States, 40 



Laboratories : Report for 1905 on the Lancashire Sea 

 Fisheries Laboratory at the University of Liverpool, and 

 the Sea Fish Hatchery at Piel, Prof. W. .\. Herdman, 

 F.R.S., .\ndrew Scott, and James Johnstone, Frank 

 Balfour Browne, 19 ; National Physical Laboratory, 205 ; 

 Opening of a New Laboratory at the Rothamsted Experi- 

 mental Station, 307 ; the Mount -Wilson Spectroscopic 

 Laboratory, 595 



Lacroix (A.), Crystals of Sylvite in Blocks thrown out by 

 Recent Eruption of Vesuvius, 192 



Ladenburg (Dr. Erich), Researches on Nearly Pure Gaseous 

 Ozone, 455 



Lagrange's Equations, the Mixed Transformation of, .'\. B. 

 basset, F.R.S., 317, 489, 540; Prof. T. Levi-Civita, 488; 

 Dr. E. J. Routh, F.R.S., 516 



Laidlaw (F. F.), Polyclad Turbellaria from Capo Verde 

 Islands, 261 



Lain^ (E.), Utilisation of Turf for the Intensive Produc- 

 tion of Nitrates, 191 



Lamb (Captain George), Anti-typhoid Vaccine, 91 



Lamplugh (G. W., F.R.S.), Opening Address in Section C 

 at the Meeting of the British .Association at York, on 

 British Drifts and the Interglacial Problem, 387 



Lanison (Miss), Comets 1906b and 1906c, 64 



Lane-Claypon (Miss J. E.), the Factors which determine 

 the Growth and Activity of the Mammary Glands, 22 



Langeron (Dr. M.), Atlas Colori^ des Plantes et des 

 Animaux des Cotes de France, 102 



Langley (Prof. J. N., F.R.S.), on Nerve Endings and on 

 .Special excitable Substances in Cells, 482 



Langley (Dr. S. P.), Solar Variability, 16 



Languages of India and the Linguistic Survey, the, Dr. 

 G. A. Grierson at Society of .Arts, 283 



Lankester (Prof. E. Ray,' M.A., LL.D., D.Sc., F.R.S., 

 F.L.S.), Inaugural Address at the Meeting of the British 

 Association at York, 321 



Lapparent (.\. de), Earthquake in California according to 

 the Preliminary Official Report, 2S7 



