XXIV 



Index 



[Supplement to Nature, 

 L June I, 1893 



McAdie (A.), the Electrification of the Lower Air during 

 Auroral Displays, 454 



Macalister (Prof.), on Egyptian Mummies, 623 



McAulay (Alex.), Quaternions, 151 



MacBride (E. W.), on ihe Development of the Genital Organs, 

 Ovoid Gland, Axial and Aboral Sinuses in Amphiura 

 Sqtiamata, together with some Remarks on Ludwig's Haemal 

 System in this Ophiurid, 261 



Macchiati (Signor), the Cultivation of Diatoms, 23 



McClintock (Dr. Emory), on the Non-Euclidian Geometry, 286 



MaccuUoch's Geological Map of Scotland, Prof. J. W. Judd, 

 F.R.S., 173 



Macdonald(A. C), the Dairy Industry in Cape Colony, 471 



Macdougal(D. T.), Botanical Explorations in Idaho, 206 



Macfarlane(A.), Principles of the Algebra of Vectors, 3 



Macfarlane (Dr.), Dionsea, 423 



Mackenzie (D. F ), the Timber of Exotic Conifers, 619 



Mackinder(H. J.), the Relation of Geography to History, 304; 

 some Geographical Aspects of British History, 5x9 ; the 

 Steppe Belt traversing Asia from East to West, 353 : the 

 Chief Lines of Communication between Asia and Europe, 

 400 



McLeod (Prof. Herbert, F.R.S.), the Author of the word 

 " Eudiometer," 536 



MacMahon (Major P. A., F.R.S.), Memoir on the Theory of 

 the Compositions of Numbers, 310 ; the Group of Thirty 

 Cubes composed by six differently Coloured Squares, 406 



McMillan (Conway), the Probable Physiognomy of the Creta- 

 ceous Plant Population, 587 



Macpherson (Kev. A.), a Vertebrate Fauna of Lakeland, in- 

 cluding Cumberland and Westmoreland, with Lancashire 

 North of the Sands, 457 



McPherson (Wm.), Racial Dwarfs in the Pyrenees, 294 



Madder-staining of Dentine, on the, Dr. W. G. Aitchison 

 Robertson, 287 



Madras Meridian Circle Observations, 186 



Madras Museum, remarkable Hornets' Nest presented by Lord 

 Wenlock to, 16 



Madsen (Herr Victor), Scandinavian Boulders at Cromer, 287 



Magic Mirrors, the late Prof. Tennant on. Prof. Silvanus P. 

 Thompson, F.R.S., 79 



Magnetism : Displacements of Magnet on Mercury under Action 

 of Electric Current, C. Decharme, 48 ; Dilatation of Iron on 

 Magnetisation, M. Berget, 71 ; Magnetic Properties of Bodies 

 at Different Temperatures, P. Curie, 96 ; Magnetic Observa- 

 tions, Washington, 209 ; Absolute Value of the Magnetic 

 Elements on January i, 1893, 288 ; Magnetism and Elec- 

 tricity, R. W. Stewart, 315 ; Magnetic Permeabilities of a 

 Series of Diamagnetic Bodies, 336 ; Sun-Spots and Magnetic 

 Perturbations in 1892, M. Ricco, 352 ; Magnetical and 

 Meteorological Observations made at the Government Obser- 

 vatory, Bombay, 1890, with an Appendix, 379 ; a Magnetic 

 Screen, Frederick J. Smith, 439 ; Magnetic Induction in Iron 

 and other Metals, J. A. Ewing, 'F.R.S., E. Wilson, 460; 

 Magnetic Observatory, Potsdam, Improvement in Registra- 

 tions of Needle's Variations, Herr Eschenhager, 544 ; Magnet- 

 ische Beobachtungen auf der Nordsee angestellt in den 

 Jahren 1884 bis 1886, 1890 und 1891, A. Schuck, 555 ; Wil- 

 liam Gilbert of Colchester, Physician of London, on the 

 Loadstone and Magnetic Bodies, and on the Great Magnet 

 the Earth. A New Physiology, demonstrated with many 

 Arguments and Experiments, P. Fleury Mottelay, 556 



Mair-Rumley (J. G.), Experiments on the Value of the Steam 

 Jacket, 19 



Majert (W.), Piperazine, 430 



Malapterurus, on the Origin of the Electric Nerves in the Tor- 

 pedo, Gymnotus, Mormyrus, and, Gustav Fritsch, 271 



Mallet (Maurice), the Longest Balloon Ascent on Record, 182 



Malta Pleistocene, Discovery of Ursus Arctos in, J. H. Cooke, 

 62 



Malta, Depredations among the recently discovered Phoenician 

 Tombs at, 396 



Maltezos (C), Lenticular Liquid Microglobules and their Con- 

 ditions of Equilibrium, 71 ; Conditions of Equilibrium and 

 Formation of Microglobules, 96 



Mammalia, the Sense Organs of the Skin, Feathers, and 

 Hairs in, Herr Maurer, 87 



Man (E. H.), on Nicobar Pottery, 455 



Man and the Glacial Period, Dr. G. Frederick Wright, 148 



Man's Place in Nature, Evolution and, Henry Calderwood, 

 385 



Manchester Geographical Society, 159 



Manchester Municipal Technical School, Sir Henry E. Roscoe, 

 F.R.S., 201 



Manganese, the Volatility of, Prof. Lorenz and Dr. Hensler 

 375 



Mance (Sir Henry), the Teredo and Electric Cables, 450 



Manners and Monuments of Prehistoric Peoples, Marquis de 

 Nadaillac, 316 



Manurial Trials, Report on, Dr. William Somerville, 556 



Maoris, some Reminiscences of, Rev. W. Colenso, F.R.S., 41 



Map of County of London, Stanford's, 40 



Map of Scotland, MaccuUoch's Geological, Prof. J. W. Judd, 

 F.R.S., 173 



Map of the World on a Uniform Scale, Prof. Penck's Scheme 

 for a, 426 



Map-colouring, the Objects of, 566 



March (Dr. H. C). Mythographic Origin of Polynesian Orna- 

 ment, 239 



Marchal (Emile), on a Process of Sterilisation of Albumin Solu- 

 tions at 100° C., 310 



Marckvvald (Dr.), new Method of Preparing Glycol Aldehyde, 



Marey (M.), Swimming Movements of the Ray-fish, 311 

 Marilaun (Anton Kerner Von), Pflanzenleben, 605 

 Marine Biology : the Destruction of Immature Fish, Ernest W. 

 L. Holt, 160 ; Dredging Work at Plymouth, 375 ; the Rising 

 and Sinking Process in the Radiolaria, Herr Verworn, 397 ; 

 the Week's Work of the Plymouth Station, 398, 424, 45 1 , 472, 

 497. 518, 546, 565, 589, 616 ; Port Erin (Isle of Man) Station, 



515 



Marine Fauna, Proposed Handbook to the British, Prof. W. A. 

 Herdman, F.R.S., 231, 293; Prof. D'Arcy W. Thompson, 

 269 ; W. Garstang, 293 



Marine Laboratories in the United States, Prof. J. P. Campbell, 

 66 



Marine Shells of South Africa, G. B. Sowerby, 27 



Marine Zoological Station at Trieste, the, 450 



Mars, the Planet, Camille Flammarion, William J. S. Lockyer, 

 553 ; the Canals of Mars, 64 ; the Channels of, T. W. 

 Kingsmill, 133 ; the markings on, Mr. Schaeberle, 209 ; the 

 Recent Opposition of, Prof. W. H. Pickering, 235 ; Occulta- 

 tion of Mars and Jupiter by the Moon, Prof. Barnard, 41 



Marseilles, Oct. i, 1892, Severe Hurricane at, 61 



Marsh (Prof. O. C. ), Restoration oi Anchisatirtts colurus, 349 



Marshall (Rev. T. A.), a New Species of Belytidae from New 

 Zealand, 17 



Marshall (W.), the Resolution of Methoxysuccinic Acid into its 

 Optically Active Components, 311 



Martin (Em.), Physiological Study of Opium Smoke, 168 



Martin (Horace), Castorologia ; or, the History and Traditions 

 of the Canadian Beaver, 224 



Marvin (Prof. C. F.), Sunshine Recorders, 261 



Maryland from the Meteorological Point of View, the Surface 

 Configuration of. Prof. W. B. Clark, 585 



Mascart (M.) on the Diurnal Variations of Gravitation, 360 



Mason (James), Field Experiments on the Fixation of Free 

 Nitrogen, 285 



Massee (George), British Fungus-Flora, 26 



Masters (Dr. Maxwell T., F.R.S.), a Contribution to our 

 Knowledge of Seedlings, Sir John Lubbock, F.R.S., 243; 

 List of Conifers and Texads, 619 



Mathematics : Principles of the Algebra of Vectors, A. Macfar- 

 lane. 3 ; Vector Analysis, Prof. P. G. Tait, 225 ; the Algebra 

 of Co-planar Vectors and Trigonometry, R. Baldwin Hay- 

 ward, F.R.S., 266; Prof. C. G. Knott on Recent Innova- 

 tions in Vector Theory, 287, 590; Quaternions and the 

 Algebra of Vectors, Prof. J. Willard Gibbs, 463 ; Vectors 

 versus Quaternions, Oliver Heaviside, F.R.S., 533 ; Printing 

 Mathematics, W. Cassie, 8 ; Dr. M. J. Jackson, 227 ; Bulletin 

 of the New York Mathematical Society, 23, 428 ; Mathz- 

 matical Society, 71, 214, 382, 406, 526; Certain General 

 Limitations affecting Hyper-Magic Squares, S. Roberts, 

 F.R.S., 71; Note on Secondary Tucker Circles, 71; 

 Quaternion?, Alex. McAulay, 151 ; Cauchy's Condensa- 

 tion Test for Convergency of Series, Prof. M. J. M. 

 Hill, 214 ; on the Non-Euclidian Geometry, Dr. Emory 

 McClintock, 286; Theory of Numbers, G. B. Mathews, 289; 



