i3^ 



NATURE 



[January 4. 1Q12 



fting-rny* of «h« Gnngef. Two specie* of I 



ami bn-od in the River Gange* above i 



nniU'ly, llypologhus sephrn (Forwiil) and i. r*.-.. r....i.i- 



tiU-i (Ham. Buch). Thfir Indinn name !b diM-usK«^, and 



p.irti. iilars as rcjjards their capture are given. 



BOOKS RECEIVED. 



Die Biologie des Donaudt-ltas und dex lnundation»- 

 gebietcs dor untcren Donau. By Dr. Or. Antipa. Pp. iv + 

 48. (Jena : G. Fischer.) 1.50 marl^s. 



Handbuch der Fhototelejiraphie und TetautOftraphie. 

 By Profs. A. Korn and B. Glatzel. Pp. xvi + 488. 

 (Ix>ipzig : O. Ncmnich.) 28 marl<s. 



Neue Grundiajjen der Meteorolofjie. By P. Iloitsy. 

 Pp. 107. (Budapest : Franl<lin-V'ercin.) 2 marlcs. 



I'nsere Kenntnisse von den Serienfiesetzen der I^inien- 

 spelctra. By Dr. B. Dunz. Pp. iii + 186. (Leipzig* : S. 

 Hirzei.) 2 marlcs. 



Zur Phyiogenie der Primuiaceenbiiite. 

 Thenen. Pp. iv4-i3i. (Jena: G. Fischer.) 



Physiologie des Menschen. By Prof. 

 Translated by Profs. S. Baglioni and H 

 Fiinfzchnte (Schluss) Lieferung. 

 (Jena : G. Fischer.) 4 marks. 



Monumcntales und Dokoratives 

 Ostwaid. Pp. vi + 105. (Leipzig : 

 gesellschaft M.B.H.) 2.40 marks. 



Dcnkschrift iiber die Griindung eines Internationalen 

 Instituts fiir Chemie. By Prof. W. Ostwaid. Pp. 30. 

 (Leipzig : .Akademische Verlagsgesellschaft M.B.H.) 1.50 

 marks. 



Das Pflanzenreich. Edited by Prof. A. Engler. 

 51 Heft : Sphagnales — Sphagnaceae (Sphagnologia uni- 

 versalis). By C. Warnstorf. Pp. iv4-546. (I^ipzig : W. 

 Engelmann.) 37.50 marks 



Pp. 



By Dr. S. 



8 marks. 



L. Luciani. 



Winterstein. 



641-782 4. viii. 



Pastell. By Prof. \V. 

 .'^kademische Verlags- 



DIARY OP SOCIETIES. 



FRIDAY, January 5. 



Geologists' Association, at 8.— On the Hieh Terrace Gravel and on a 

 Palzoliihic Implement Factory, Dartford Heath : R. H. Chandler and 

 A. L. Leach.— On the London Clay and Bagsbot Beds (Passage Beds), 

 and on the Gravel of Shooter's Hill, Kent : A. L. Leacb. 



MONDAY, January 8. 



Society op Chbmical Industry, at 8.— The Production of Formic and 

 Acetic Acids by the Atmospheric Oxidation of Turpentine : C. T. 

 Kingzett and R. C. Woodcock.— A Rapid Volumetric Method for the 

 Determination of Free Sulphur : C. Davis and J. L. Foucar.— The Rela- 

 tive Absorption of I>yes by Sand and Natural Fibres : W. P. Dreaper and 

 W, A. Davis.— Ingrain Dyeing — Influence of Certain Groups on the 

 Re-solution Factor: >Y. P. Dreaper. 



Victoria Institute, at 4.3a— The Greek PapyTi : Prof. G. Milligan. 



TUESDAY, ]KnvKK\ ^. 



Institution of Civil Engineers, at 8. — Reinforced Concrete Wharves 

 and Warehouses at Ix)wer Pootung, Sbungbai : S. H. Ellis. — The Direct 

 Experimental Determination of the Stres>ies in the Steel and in the 

 Concrete of Reinforced Concrete Columns: W.C. Popplewell.— Composite 

 Columns of Concrete and Steel : W. H. Burr. 



Society of Dyers and Colourists. at 8.— Some Problems in Garment 

 Dyeing : F. G. Newburj'. — Aluminium in the Service of Chemical In- 

 dustry : Dr. Richard Seligman. 



WEDNESDAY, January 10. 



Geological Society, at 8.— On a Late Glacial Stage in the Valley of the 

 River Lea subsequent to ibe epoch of Kiver-drift Man : S. Hazxledine 

 Warten. 



THURSDAY, January 11. 



Royal Society, at ^.-30.— ProhabU Papers : On the Propagation of Waves 

 through a Stratified Medium, with Special Reference to the Question of 

 Reflection : Lord Rayleigh. O.M., F.R.S.— On the Variation of the 

 Specific Heat of Water, with Experiments b" a New Method : Prof. 

 H. L. Callendar, F.R.S. — The Mechanism of the Semipermeable Mem- 

 t>rane and a New Method of Determining 0>motic Ptessu-e: Prof F. T. 

 Trouton, F.R.S —Mobility of the Positive and Negative Ions in Gases at 

 High Pressures: A. L. Kovarik.— A New Method of Determinine the 

 Radiation Constant : G. A. Shakespear.— The Mechanics of the Water 

 Molecule : Dr. R. A. Houston. 



Mathematical Socirrv, at 5. jo.— Sw ccti rioB* of lM<n('«<> ■«« *ww. • 

 S«rie« : W. H. Young.— A New Coadtoimi for tb« Tnnli of tiM CmmH' 

 of Ab«l'* Theorem :G. H. Hardy aad J. E. Uttl«wood.--On MwWMit 

 Numbitrs : A. Cunningbani. 



iNaTiTVTioN or Ki.ECTKicAL Kmoimksrs. at 8.— SooM GoiMral Priadp'.' 

 IdvoIvmI in th« Electric Driviog of RoHing Mills : C A. Abt««t. 



FRIDAY, Jamvabv la. 



RovAL Ajiteomomicai. Socirrv, at 5. 



Malacolocical Socirrr, at 8.— Note 00 the Genut Pan^— vf/.«., 

 W. H. Dall.— Nomenclature of the Venerids— A Roply 

 Dall: A. J. Juke- Browne. F.R.S. — Th« Occarraoce 

 ktrittntit in Great Britain : Notes on Some British Noo-mai...^ .■..^.... 

 A. W. Stelfox.— Characters of Two Undescribcd Laod SImUs fro- 

 Colombia: Explanation of the Figure* Occarrin( b WMtortauK! 

 " Sibirien'* Land och .S<vitvatten Mollusker," 1876; On Two Pro-oeCMpi' 

 Specific Name^ in Gasteropoda : G. K. Gude. 



CONTENTS. p 



The Climate of Africa. By Sir H. H. Jobnsto; 



G.C.M.G., K.C.B 



The New Animal Psychology. By Dr. William 

 Brown 



The Astrolabe a Prisme 



The Teeth of Vertebrates. By G. E. S. 



Basic Open-hearth Steel-making .... 



The Geology of New Zealand. ByJ. W. G. . 



Our Book Shelf 



Letters to the Editor:— 



Janu-try Meteor showers, 1912. — John R. Henry 



Microkinematography.— J. E. Barnard; The Writer 



of the Article 



University Education in London . 



Liquid Crystals. {Illustrated.) . . 



The Tidal Survey of Japan. By Sir G. H. Darwin. 



K.C B., F.R.S 



Fish Photography. {Illustrated.) ByJ. J 



France and the Endowment of Research. By A. E. 



Crawley 



Facts of Migration 



The Position of Technical Instruction in England. 



Hy G. F. Daniell 



Atomic Weights 



M. J. B Edouard Bornet. Hy A. D. C 



Notes 



Our Astronomical Column : — 



Astronomical Occurrences for January . . . 



Mars 



Ephemerides for Comets 1911a, 191 1/, and I9tlj' 



A Peculiar Variable Star 



The Parallax of the Double Star Krueger 60 



The Height of Ferseid Meteors . . 



The Lille Observatory 



Prize Awards of the Paris Academy of Sciences . . 

 Forestry Education at the University of Edinburgh 



Tests of Propellers for Flying-machines 



New Microscopic Objectives and Accessories . . . 

 The Flora of Formosa. By W. Botting Hemsley. 



F.R.S 



The Indian Saltpetre Industry 



Geophysical Research. By Dr. Arthur L. Day 



The Age of the Earth. By Prof. T. H. Liby . 



University and Educational Intelligence ^36 



Societies and Academies 537 



Books Received 33^ 



Diary of Societies 33^ 



NO. 2201, VOL. 88] 



