NATURE 



[April 3, 191, 



Fauna Hawaiiensis, or the Zoology of the Sandwich 

 (Hawaiian) Isles. Edited by D. Sharp, R. C. L. 

 Perkins, and Prof. A. Forel. Vol i., parts i to 6. 

 Vol. ii., parts I to 6. Vol. iii., parts i to 6. (Cam- 

 bridge University Press.) Prices various. 



Laboratory Text-Book of Chemistry. By \ . S. 

 Bryant. Part i. Pp. vii + 246. (London: J. and A. 

 Churchill.) 45. net. 



Modern Pumping and Hydraulic Machinery. By E. 

 Butler. Pp. xvi + 473. (London: C. Griffin and Co., 

 Ltd.) 18s. net. 



Vererbungslehre mit besonderer Beriicksichtigung 

 des Menschen. By Dr. L. Plate. Pp. xii4-5ig + 3 

 plates. (Leipzig : W. Engelmann.) 18 marks. 



Genetics : an Introduction to the Study of Heredity. 

 By Prof. H. E. Walter. Pp. xiv+272. (London : 

 Macmillan and Co., Ltd.) 6s. 6d. net. 



A School Algebra. By F. O. Lane and J. A. C. 

 Lane. Pp. viii + 333. (London: E. Arnold.) 35. 6d. 



Pond Life. By E. C. Ash. Pp. viii + 94. (London 

 and Edinburgh : T. C. and E. C. Jack.) 6d. net. 



Handworterbuch der Naturwissenschaften. Edited 

 by E. Korschelt and others. Lief. 38 to 40. (Jena : 

 G. Fischer.) 2.50 marks each Lief. 



Western Australia. Geological Survey. Bulletin 

 No. 43. Petrological Contributions to the Geology of 

 Western Australia. By R. A. Farquharson. Pp. 

 100 4- iv. Bulletin No. 47. The Mining Geology of 

 the Kanowna Main Reef Line, Kanowna, North-East 

 Coolgardie Goldfield. By T. Blatchford and J. T. 

 Jutson. Pp. 1064-3 maps + iv. (Perth, W.A. : F. W. 

 Simpson.) 



Elements of the Precision of Measurements and 

 Graphical Methods. By Prof. H. M. Goodwin. Pp. 

 104. (London : Hill Publishing Co., Ltd.) 



DIARY OF SOCIETIES. 



THURSDAY, Apkil 3. 



Royal Institution, at 3.— The Bridge 

 Armstrong. 



Linnean Society, at P.— Some Forms of Alchemilla vulgaris: C. E. 

 Salmon.-Report on H.M.S. Scalar!;, Calcarea : Prof. A. Dendy.— 

 Embia major, sp. nov., from the Himalayas: Prof. A. D. Tmms. — A 

 Free-swimming Njuplioid Stage in Pslinuris : Dr. J. D. F. Gilchrist. — 

 The Classification of the Order Symphyla : R. S. Bagnall. 



Institution of Mechanical £ .gineeks, at i.— Further Discussio : 

 Some Effects of Superheating and Feed-water Heating on Locomotive 

 Working: F. H. Trevithick and P. J. Cowan. 



Life: Dr. E. Frankland 



FRIDAY, April 4. 

 Roval Institution, at 9.— The Spectroscope in Organic Chemistry Mr. 



.7. J. Dobbie. 

 Geologists' Association, at S.— The Geology of the Nottingham District : 



SATURDAY, April 5. 

 Essex Field Club (at Essex Museum, Stratford), at 6.— Fair) -flies 

 (Mymnridte) and their Hosts : F. Enock. 



MONDAY, April 7. 

 ,. at 8.— Aeronautics : Prof. J. E. Peta\ 



Royal Society of A 



Society of Engineers, at 7.3c— The Status ofEngineers and Eng 



with Special Reference to Consulting Engineers : W. Ransom. 

 Aristotelian Society, at S.— Some Points in Kant's Transcendental 



.Esthetic : W. W. Carlile. 

 Victoria Institute, at 4.30.— Discussion : The Gunning Prize Essay 



read on March 17. Opener: Dr. I. W. Thirtle. 

 Institution of Ciyil Engineers, at 8.— Production of Steel'Sections 



and their Application in Engineering Structures : A. T. Walmisley. 



Ro 



TUESDAY, April 6. 

 ■itution, at 3.— Recent Discoveries of Early Ma 



Dr. A. S. 



Woodward. 



Zoological Society, at 8.30 — (1) A Collection of Fishes made l.\ Prof. 

 Francisco Fnentes at Easter Island ; (2) A Revision of the Fishes of the 

 Genus Kuhlia : C. Tale Regan.-The Affinities of ( anis ante; ti, m : 

 R. I. Pocor k. A Collei lion of Mammals from the Hebrides, Scotland ■ 

 Major G. E. H. Barrett-Hamilton and M. A. C. Hinton. 



Royal Anthropological Institute, at 8.15— The Discovery of a Human 

 Skeleton in a Brick-earth Deposit at Hailing. Kent: W. H. Cook.— 

 Description of Human Remains: Dr. A. Keith: 



Institution of Civil Engineers, at S.—Fu,.' The Yield 



of Various Catchment-Areas in Scotland : W. C. Reid. — Measurement of 

 the Flow of the River Derwent, Derbyshire: E. Sandeman.— Probable 

 Paper: Coastal Sand-travel near Madias Harbour: Sir F. J. E. Sprint 



NO. 2266., VOL. 91] 



Bailey. 



of 1'lancrbis multiformis. 

 and Relationships of the 



WEDNESDAY, April 9. 



Royal Society of Arts, at 8.— Electric Supply in I.ond 



Aeronautical Society, at 8.30.— Propellers : W. O. Ma 



Geological Society, at S.— The Variatio 

 Brown : Dr. G. Hickling.— The Slruclu 

 Carbonicolae : Miss M. Colley March. 



THURSDAY. April 10. 



Royal Society, at 4.30.— Probable Papers: The Various Inclinations of 

 the Electrical Axis of the Human Heart : A. D. Waller —The Nature of 

 the Toxic Action of the Electric Discharge upon Bacillus col: communis : 

 Prof. J. H. Priestley and R. C. Knight.-(i) Morphology of Various 

 Strains of the Tr) panosome causing Disease in Man in Nyasaland. II. 

 The Wild Game Strain ; (2) Morphology of Various Strains of the 



causing Disease in Man in Nyasaland. III. The Wild 



Strain; (3) Infectivity of Clcssina morsitam in 



Surg. -General Sir D. Bruce, Majors D. Harvey and A. E. 



n.l Ladj l:n 



at 



( o|,, 



Trypano 

 Glossina 11 

 Nyasaland 

 Hamerton, 



lOYAL INST 



Armstiong. 

 nstitution of Electrical Engineers, 



Machines (Self-starting Synchronous Motors 



Dr E. Rosenberg. 

 Concrete Institute, at 7.30.— Structural Eng 

 FRIDAY, 



Flowers : Dr. E. Frankland 



E. F. Etchells. 



Royal It 



Physical Society, at S 

 Strain : A. Campbell 

 Dr. G. W. C. Kaye. 



Royal Astronomical 



-The Winds in the Free Air : C. J. P. Cave. 

 —Some Errors in Magnetic Testing Due to Elastic 

 nd H. C. Booth.— Note on Kathodic Spluttering : 



CONTENTS. page 



Desert Land Forms. By H. G. L 105 



The Properties of Steam. By J. P 105 



Practical Agricultural Chemistry. By E. J. R. . . . 106 



Scientific Egyptology. By L. W. King 106 



Philosophy and Ethics 107 



Our Bookshelf 108 



Letters to the Editor: — 



An Attempted Photochemical "Resolution'' of Silver. 



—Prof. R. Meldola, F.R.S 109 



Dana's Proof of Darwin's Theory of Coral Reefs. — 



Cyril Crossland 109 



Elliptical Lunar Halos.— Prof. Frank Schlesinger no 

 The Reflection of X-Rays. ( With Diagram. )— H. B. 



Keene in 



The Presence of Protozoa in Soils.— C. H. Martin . in 



Jelly-fish of the Norquane River. — G.Arnold ... ni 

 An Experiment for Showing Lines of Force in an 



Electrostatic Meld. — Bernard M. Neville . ... 112 



Snail-cavities in Stones. — C. Carus-Wilson ... 112 

 Completion .of the Discovery of the Greenland 



Coasts. [Illustrated.) 112 



Coronae, Glories, and Heiligenschein. By E. G. . . 114. 



The Oil-Shales of the Lothians 115 



The Analysis of Colouring Matters 116 



Notes. {With Diagrams.) 116 



Our Astronomical Column : — 



Astronomical Occurrences for April 121 



The Radial Velocity of a Persei • 121 



The Smithsonian Astrophysical Observatory . . .1 



The Spectroscopic Binary BD - 1" 943 122 



Variable Star Charts 122 



Educational Organisation in Australia. By Prof. 



H. S. Carslaw 122 



Recent Work on Invertebrates. By R. L 123 



Foam Structure of Metals. By Dr. W. Rosenhain . 124 

 The Melbourne Meeting of the Australasian Asso- 

 ciation 125 



Reports of the Smithsonian Institution 126 



University and Educational Intelligence 127 



Societies and Academies 12S 



Books Received 129 



Diary of Societies 1 



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Advertisements and business letters to be addressed to the 

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Editorial Communications to the Editor. 

 Telegraphic Address : Phusis, London. 

 Telephone Number : Gerrard 8830. 



