Natiirey Nov. 28, 1SS9] 



INDEX 



Abbe (Prof. Cleveland) : Meteoritic Theory, 53 ; the Red 

 Sunsets of 1884-85, 189 ; Observations of Twilight and 

 Zodiacal Light during the Total Eclipse of the Sun, December 

 21, 1889, 519; on the Determination of the Amount of Rain- 

 fall, 585 

 Abbo (Dr.), Colour of Eyes and Hair in Norway, 285 

 Abercromby (Hon. Ralph) : Rain Clouds on Lake Titicaca, 12 ; 

 Upper Wind Currents over the Equator in the Atlantic 

 Ocean, loi ; Nitrate of Soda and the Nitrate Country, i86, 

 308 ; Sun Water-Distilling Apparatus on Atacama Desert, 

 211 ; the Circulation of the Atmosphere over the Equator, 

 297 

 Abney (Captain W. de W., C.B., F.R.S.): Opening Address 

 in Section A (Mathematics and Physics) at the British Asso- 

 ciation, 469 ; on the Quantity of Deposit of Silver produced 

 by the Development on a Photographic Plate in Terms of the 

 Intensity of Light acting, 584 

 Abnormality in Tropseolum, Prof. Alfred Denny, 125 

 Abrus precatorius, Toxic Action of Albumose from Seeds of, Dr. 



Sidney Martin, 117 

 Accent, French, Researches with Phonautograph on, Dr. 



Pringsheim, 168 

 Accra, Earthquake at, 61 



Acoustics : Dr. Rudolph Kcenig on an Important Discovery in 

 the Theory of Music, 479 ; Mechanical Illustration of Propa- 

 gation of Sound- Wave, F. J. Smith, 620 

 Acquired Characters, on the supposed Transmission of, E. B. 



Poulton, F.R.S., 610 

 Actiniae, British, Revision of the, Prof. A. C. Haddon, 390 

 Actinometer : devised by Prof. Balfour Stewart, F.R.S., 556; 



a New Self-registering, Dr. Richardson, 587 

 Adams (Prof. W. Grylls. F.R.S.), Fifth Report to the British 

 Association on the Best Means of Comparing and Reducing 

 Magnetic Observations, 554 

 Adelsberg Stalactite Grotto, the New, 577 

 Affinity, Chemical, M. M. Pattison Muir, 273 

 Afghan Delimitation Commission, the Zoology of the, E. T. 



Aitchison, 413 

 Afghanistan, Northern, Major C. E. Yate, 31 

 Africa: Penetration of Kong Country by Captain Binger, 17; 

 the Soil and Climate of German East Africa, Dr. K. W. 

 Schmidt, 46 ; H. M. Stanley's Movements, 181, 539 ; African 

 River Life, J. R. Werner, 241 ; Mites in Entomological Col- 

 lections from South Africa, 283 ; African Farm Pests, Eleanor 

 A. Ormerod, 385 ; Concession to British East Africa Com- 

 pany of Lamu and Ben-Adir Coast, 449 ; Narrative of an 

 Explorer in Tropical South Africa, Francis Galton, F. R. S., 

 570 ; the Gold Deposits of the Gold Coast, Sir Brandford 

 Griffith, 627 

 Agassiz (Alexander), the Three Cruises of the Blake, Dr. John 



Murray, 361 

 Agram, Earthquake at, 45 



Agriculture : Ravages of Cockchafer and its Larva, J. Reiset, 

 23 ; Loss and Gain of Nitrogen in Soils, P. P. Deherain, 48 ; 

 a Record of Progress in Agricultural Canada, W. Fream, 52 ; 

 a Treatise on Manures, by Dr. A. B. Griffiths, 99 ; School 

 of Practical Agriculture at Fabriano, 164 ; Proposed Chair of 

 Agriculture at North Wales University College, 207 ; Inter- 

 national Congress on, in Paris, 252 ; the Industrial Agri- 



cultii-al Educational Bill, 254 ; the Cost of Various Remedies 



against Vine-pests, 374 ; Agricultural Society of the Gironde, 



374 ; Agriculture in Colombia, 423, 596 ; an Italian's View of 



English Agricultural Education, Prof. John Wrightson, 428 ; 



Agricultural Experimental Stations in the United States, 455 ; 



Agricultural Laboratories in Belgium, 481 ; Prof. Wallace's 



Farm Live Stock of Great Britain, 619 

 Ainos, Colour of Eyes and Hair of, Lefevre on, 68 

 Air in the Soil, Th. Schloesing, yf/.f, 626 



Aitchison (E. J.), the Zoology of the Afghan Delimitation Com- 

 mission, 413 

 Aitken (John), the Dust-particles in Atmosphere at Ben Nevis 



Observatory, 356 

 Albatross : Sailing Flight of the. A, C. Baines, 9 ; Lord Ray- 



leigh, F.R.S., 34; R. E. Froude, 102; the Wandering 



Albatross, A. Reischek, 306 

 Albert Nyanza, Lake, Sir S. Baker and H. M. Stanley on, 65 

 Aldehydes, M. Grimaux, 369 

 Aldis (Prof. W. Steadman), Spherical Eggs, 417 

 Alembert's (D') Principle, Centrifugal Force and. Prof. F. Guthrie, 



319 

 Alexander (S.), Moral Order and Progress, an Analysis of 



Ethical Conceptions, 169 

 Algebra : Key to Higher, H. S. Hall and S. R. Knight, 



460 

 Algebra, Solutions of the Examples in a Treatise on, Charles 



Smith, 31 

 Algebra, a Treatise on Elementary, and Algebraical Artifices, 



Saradaranjan Ray, 9 

 Algeria, the Dangers of Viticulture in, Consul-General Playfair, 



423 



Algiers Observatory, 539 



Allen (Alfred H. ), Commercial Organic Analysis, Dr. C. R. 

 Alder Wright, F.R.S., 289 



AUman (Prof. Geo., F. R.S.), Greek Geometry from Thales to 

 Euclid, 172 ; the Theorem of the Bride, 299 



Alloys of Nickel and Steel, James Riley, 58 



Alloys, Raoult's Method applied to, C. T. Heycock and F. H. 

 Neville on, 587, 628 



Alloys, Strength of, at Different Temperatures, W, C. Unwin, 

 F.R.S., 631 



Allport (S.), Contact Metamorphism in Silurian Rocks near 

 New Galloway, 190 



Aluminium : Sir Henry Roscoe, M.P., F.R.S., 182 ; Dr. Nello's 

 Process for the Manufacture of, from Cryolite, Prof. Bedson, 

 587 . 



Aluminium Chloride, the Vapour-density of, Profs. Nilson and 

 Pettersson, 596 , 



Amagat (E. H.), the Elasticity of Solids, 192 



Amateurs, Cactus Culture for, W. Watson, 123 



America: American Journal of Science, 21, 67, 189, 310, 404, 

 562 ; American National Academy of Science, 44 ; American 

 Meteorological Society, 117; Paleolithic Man in America, 

 W. J. McGee, 163 ; Remains of Lake-dwellings in North 

 America, 180 ; American Meteorological Journal, 189, 262, 

 311, 383, 445, 611 ; Long-time Weather Predictions in Ame- 

 rica, 208 ; American Association for Advancement of Science, 

 228, 556 ; American Journal of Mathematics, 334 ; Two 

 American Institutions, J. Taylor Kay, 346 ; Count Loubat's 



