578 



NATURE 



[November 28, 1912 



R. A. Houstoun. Pp. ix+199. (London: Longmans 

 and Co.) 65. net. 



Yorkshire Type Ammonities. Edited by S. S. Buck- 

 man. Part viii. (London : VV. Wesley and Son.) 



The People's Books : — Hypnotism and Self-Educa- 

 tion. By Dr. A. M. Hutchinson. Pp. 92. The 

 Structure of the Earth. By Dr. T. G. Bonney. Pp. 

 c)4. Weather Science. By R. G. K. Lempfert. Pp. 

 q4 Navigation. By W. Hall. Pp. 96. The Baby. 

 By A University Woman. Pp. 94. Marriage and 

 Motherhood. By H. S. Davidson. Pp. 94. (Lon- 

 don and Edinburgh : T. C. and E. C. Jack.) 6(i. net 

 each. 



Congress of the Universities of the Empire, 1912. 

 Report of Proceedings. Edited by Dr. A. Hill. Pp. 

 xlii4-464. (London : Hodder and Stoughton.) los. 

 net. 



Primeval Man. By A. H. Quiggin. Pp. 140. 

 (London : Macdonald and Evans.) \s. 6d. net. 



Sentinel Hours. By Prof. E. E. Speight. Pp. 

 viii 4- 261 + plates. (London: A. and C. Black.) 2S. 



The South Pole. By R. Amundsen. Translated by 

 A G. Chater. Vol i., pp. xxxv+s92 +map. Vol. ii., 

 pp. x + 449 + maps. (London: J. Murray.) Two vols., 

 2 guineas net. 



A History of Geographical Discovery in the Seven- 

 teenth and Eighteenth Centuries. Bv E. Heawood. 

 Pp. xii 4-475. (Cambridge University Press.) i2x. 6d. 

 net. 



Karakoram and Western Himalaya, igog. An 

 Account of the Expedition of H.R.H. Prince Luigi 

 Amedeo of Savoy, Duke of the Abruzzi. By F. de 

 Filinoi. Pp. xvii 4-469+ plates, and volume of Plates 

 and Mans. (London : Constable and Co., Ltd.) Two 

 vols., 6t,s. net. 



The Beginner's Guide to the Microscope. By C. E. 

 Heath. Pp. 119. (London: P. Marshall and Co.) 

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Herbals : their Origin and Evolution. By A. .Arber 

 CSh-^. E. A. Newell Arber). Pp. xviii + 253. (Cam- 

 bridge Universitv Press.) los. 6d. 'net. 



An Elementarv Treatise on Coordinate Geometry of 

 Thrm Dimensions. Bv Dr. R. J. T. Bell. Pp. xviii + 

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Mixed Metals or Metallic Alloys. Bv A. H. Hiorns. 

 Third edition. Pp. xx + 469. (London : Macmillan 

 and Co., Ltd.) 6s. 



DIARY OF SOCIETIES. 



THURSDAY, November 2S. 

 Institution of F.i.ECTRirAL K.Nr.iNEFRS. ai 8.— Farthed v. Unearthed 



Neutrals on Alternatine Cumnt Systems : J. S. Peck. 

 Concrete Institute, at 7. -^o.— Bills of Quantities for Reinforced Concrete 



Work : John M. Theohald. 



SATURDAY. November 30. 

 Essex FlEl.n Clue (at the Essex Museum, Stratford), at 6.— Some Letters 

 frim the Rev. Wm. De'ham, Rector of Upiiinster, Esse.x, to Dacre 

 t (1704-1710) Communicated, with Remarks, by 

 .: Miss Gulielma Lister. 



MONDA y, December 2. 

 at 8.15. 

 Arts, at 8.— Methods of Economising He 



C. R. 



RoNTGEN Soci 

 ROVAL SoCtET' 



Darling, 



Society op Chemical iNmiSTRy, at 8.— New Apparatus for the Examina- 

 tion of Mine Air : L. A. Lev>-.— Slate Bed Treatment of Sewaee : W. T. 

 Dibdin. 



Aristotelian Society, at 8 Purpose and Evolution : A. Lynch. 



Royal Geocraphical .Society, at 8.30.— Geocraphical Results of the 

 Abor Expedition A. Bentinck and Capt. Beauchamp Dulf 



Society of Engineers, at 8.— 1 he Deflection of Reinforced Concrete 

 Beams: P. J. Waldram. 



TUESDAY, December 3. 



Institution of Civil Engineers, at %.— Further Discussion: Mech- 

 anical HandlinE o( Coal for British Locomotives: C. J. B. Cooke.— 

 /•at,cr: Th.- Vibrarion of Rifle Barr-ls : F. Carnegie. 



Illuminating Engineering Society, at 8.— Modern Methods of Indirect 

 I.ishting : Their Adv.intagesand Merits : F. W. Willcox and H. C. Wheat. 



WEDNESDAY. December 4. 

 Royal Society of Arts, at 8.— The Manufacture of Sugar from Wood, 

 and its Economic Importance : A. Zii 



Geological Society, at 8. — The Lower Palstozoic Rocks of th ^ Cautley 

 District Dr. J. E. Marr.-(i) The Trilobite Kauna of the Comley Breccia 

 Bed (Shropshire) ; (2) Two Species of Paradoxides from Neves Castle 

 (Shropshire) : E. S. Cobbold. »— 



SociErv of Public .Analysts, at 8.— The Value of the Guaiacum Test 

 for Bloodstains: H. S. Shrewsbury.— The Detection of Adulleration in 

 Linseed Oil : G. U. Elsdon and H. Hawley. The Determination of 

 Nitrates and Nitrites in Sewage Effluents: A. Higginson.— The Estima- 

 tion of Citric Acid and its Separation from Tartaric and Succinic Acids : 

 L. Gowing. Scopes. 



Entomological Society, at S. 



THURSDAY, December 5. 



Royal Society, at ^.-^p. —Probable Papers : Physiological Observations 

 made on Pike's Peak. Colorado, wiih Special Reference to Adaptation to 

 Low Barometric Pressures; C. G. Douglas, Dr. J. S. Haldane, V. Hender- 

 son and E. C. Schneider. — Notes on the Life History of Trypanosomtt 

 gambiense, with a Brief Reference to the Cycles of Trypanosoma nanum 

 and Trypanosoma pecoritnt in Giossina palpalis : Muriel Robertson. 

 — A Gregarine Stcinina totuudaia, nov. sp., present in the Mid-gut of 

 Bird Fleas of the Genu.s Ceratophyllus : Dr. J. H. Ashworth and Dr. T. 

 Rettie.— (i) The Siie of the .Aorta in Warm-blooded Animals and its 

 Relationship to the Body Weight and to the Surface Area expressed in a 

 Formula ; (2) The Size of the Trachea in Warm-bloodtd Animals and its 

 Relationship to the Weight, the Surface Area, the Blood Volume and the 

 Size of the Aorta : Prof. G. Dreyer, W. Ray, and E. W. A. Walker.— 

 Studies of the Processes operative in Solutions. The Conversion of 

 .\mmonic Cyanate into Urea, especially as Influenced by Alcohols : E. E. 

 Walker.-(i) The Hydrolysis of Cane Sugar by Dilute Acids; (2) The 

 Hydrolysis of Cane Sugar by Sulphuric Acid, with a Note on Improve- 

 ments in Polarimetic Apparatus ; (3) The Hydrolysis of Methylic Acetate 

 bv Acids: F. P. Worley.— The Nature of Hydr.,lytic Process : Dr. H. E. 

 Armstrong and F. P. Worley.— The Direct Production of Characteristic 

 Rontgen Radiations by Kathode Particles: Dr. R. T. Beatty.— The 

 Penetrating Power of the y Kays from Radium C: A, S. Russell.— The 

 Photo-electric Behaviour of Iron in the Active and Passive State: Dr. 

 H. S. Allen. -A Determination of the Radiation Constant. H. B. Keene. 



Linnean Society, at S. — Notes on Two Orchids New to East Sussex, 

 and on several Rarer .Species of ( irchidaceae : E. J. Bedford.— The 

 Hebridean Diagona described as "Syntethys," and other Exhibits from 

 the Cruise of the .S.Y. Runa in 1912 : Prof. W. A. Herdman.— Nature 

 Camera Work, an Attempt to Combine Photography with Drawing in 

 Body-colour: Miss Maud Umfreville Clarke.— Coloured Drawings of 

 South African Plants : Miss Mary W. Johnstone. 



CONTENTS. PAGE 



Scientific Worthies.— XXXIX. Prof. Jules Henri 



Poincare, For. Mem.R.S. ... 353 



The Physics of the Universe. By E. Gold 356 



Foodstuffs 357 



Technical, Popular and Economic Zoology. By 



R. I. P 35S 



Our Bookshelf 359 



Letters to the Editor: — 



X-Rays and Crystals.— Prof. W. H. Bragg, F.R.S. 360 

 Worked Flints obtained from " the 25-lbot Raised 

 Beach"' near Holywood, co. Down. (Illiistralcd.) 



— Henry Home .... 361 



Note on the Upper Partials of a Tuning-fork [Illus- 

 trated.)— ¥. H. Parker 361 



The March of Science.— E, S 361 



Forest Cultivation in Tropical Regions. (Ilbistyated.) 362 



Dr. Ramsay H. Traquair. F.R.S. By A. S. W. . . 363 



W. F. Kirby. 1!> E. B. P 364 



Notes 364 



Our Astronomical Column : — 



Astronomical Occiinences for December 368 



The Solar Motion Relatively to the Interstellar 



Absorbing Medium 368 



Observations of Comets 3^9 



Meteorology at the British Association 369 



Education at the British Association 370 



Minute Life on Our Sea-beaches, {Illnstiatea.) By 



Prof. W. A. Herdman, F.R.S. . ... 371 



The University of Bristol in Relation to Agriculture 373 



University and Educational Intelligence ..... 374 



Societies and Academies ... 375 



Books Received 377 



Diary of Societies 37^^ 



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Editorial Communications to the Editor. 



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NO. 2248, VOL. go] 



