January 19, 1922] 



NATURE 



95 



\I. Rousselot and A. Marie : A peculiarity of audition 

 I sign of syphilis. — A. Zimmern and E. Salles : The 

 ctrographic study of the colour change of barium 

 inocyanide in the Villard effect. 



Sydney. 



lean Society of New South Wales, November 30, 



I. — Mr. G. A. VVaterhouse, president, in the chair. 



Yeitch and W. Greenwood : The food-plants or 



of some Fijian insects. A guide to the economic 



lology of the Fiji Islands. The nature of the 



;k, the economic status of the insect, and the 



16 of its food-plant or host are indicated. — J. G. 



The Australian apple leafhopper (Typhlocyba 



ralis, Frogg.). This species has been introduced 



New Zealand, where it does considerable damage 



he foliage of apple and hawthorn, signs of its 



being rusty spots and patches on both sides 



)ung and old leaves. — Vera Irwin-Smith : Notes on 



itodes of the genus Physaloptera, with special 



l^ence to those parasitic in reptiles. A list of the 



ies parasitic in each group is followed by a review 



"lose found in reptiles, with special reference to 



distribution in Australia. All known reptilian 



ts for the genus, with the species parasitic in each, 



given.— A. R. McCulloch : Notes on, and deScrip- 



^ons of, Australian fishes (2). Most of the fishes dis- 



issed were hitherto imperfectly known. — M. B. 



Telch : The occurrence of oil ducts in certain Euca- 



>ts and Angophoras. Ducts occur in the medulla of 



16 stems and leaves of certain Eucalypts of the 



;mbosae class and of Angophora lance'olata. They 



itain oil similar to that in the leaf oil glands— 



igh not directly connected therewith— and function 



storage reservoirs. The ducts indicate a primitive 



laracter, and show a close phylogenetic aflRnitv 



itween the Eucalypts and Angophoras. 



Official Publications Received. 



.The National Union of Scientific Workers. Annual Report for 

 rear ending 30th September, 1921. Pp. 36. (London : 25 Victoria 



iBoyal Botanic Gardens, Kew. Bulletin of Miscellaneous Informn- 

 ■m. No. 10, 1921. Pp. 353-416. 1«. M. net. Bulletin of Misoel- 

 leous Information: Appendix 1-1922. Pp. 28. Sd. net. (London: 

 !.M. Stationery Office.) 



^Memoirs of the Geological Survey of India. Vol. 40, Part 3 : 

 Btroleum in the Punjab and North-West Frontier Province. Bv 

 '•,^"- H. Pascoe. Pp. x+330-494+.xxii+plat€s 70-88. (Calcutta": 

 BOlogical Survey; London : Indian Trade Commissioner.) 5 rupees. 

 : Department of Agriculture, Punjab. Veterinary Bulletin, No. 2 

 * 1920: The Treatment of Surra in Camels by Intravenous In- 

 Btions of Tartar Emetic. By Capt. H. E. Cross. Pp. iv-f58 

 -ahore: Government Printing Office.) 3 annas. 

 Drpnrtment of Commerce. Scientific Papers of the Bureau of 

 Stiindards. No. 423: Operation of the Modulation Tube in Radio 

 Telephone Sets. Bv E. S. Purington. Pp. ii+37r-406. (Washing- 

 ton : Government Printing Office.) 10 cents. 



University of Illinois Bulletin. Vol. 1*. No. 36. Bulletin No. 125. 



En'.Mneering Experiment Station : The Distribution of the Forms 



of Sulphur in the Coal Bed. By H. P. Mancey and T. Fraser. 



Pi'. !)4. (Prhana : Engineering Experiment Station: London: 



CliMpman and Hall, Ltd.) 



Tlulletin of the National Research Council. Vol. 2, Part 7, No. 15: 



i-t of Seismologio Stations of the World. Compiled bv H. O. 



1 Pp. 397-538. (Washington: National Research Council.) 



ihirs. 



V Zealand. Department of Mines : Geological Survey Branch. 

 tin No. 23 (new series) : Geoloev and Mineral Resources of 

 rn Southlnnd. By J. Park. Pp. vi+88-f8 plate8+2 maps. 

 ington. N.Z.) .5«. 



Diary of Societies. 



THURSDAY, J.^xvakt 19. 



Royal I.vstititiok of Great Bbitaix, at 3.— S. Gordon : Mountain 

 Birds of Scotland. 



RoTAL Society, at 4.30.— Prof. L. Hill, H. M. Vernon, and D. H. 

 Ash : The Kata-Thermometer as a Measure of Ventilation.— 

 Lt.-Col. C. B. Hoald and Maj. W. S. Tucker: Recoil Curves 



as Shown by the Hot-wire Microphone.— E. W. A. Walker: 

 The Occurrence and Development of Dys-agglutinable, Eu- 

 agglutinable, and Hyper-agglutinablo Forms of Certain Bacteria. 

 —Marjory Stephenson and Margaret Whetham : Studies in the 

 Fat Metabolism of the Timothy Grass Bacillus.— J. A. Gardner 

 and F. W. Fox : The Origin and Destiny of Cholesterol in the 

 Animal Organism. Part 12 : The Excretion of Sterols in Man. 

 — Dr. S. J. Lewis : The Ultra-violet Absorption Spectra and 

 the Optical Rotation of the Proteins of the Blood Sera. 



LiNNEAN Society or London, at 5.— Dr. E. Marion Delf : Studies 

 in Macrocystis pyrifera, the Giant Alga of the Southern Tem- 

 perate Zone.— J. L. C. Musters : The Flora of Jan Mayen 

 Island. 



Royal Society or Medicine (Dermatology Section), at 5. 



iNSTiTtTioN or Mining and Metallcegt (at Geological Sooietv), 

 at 5.30.— J. F. Allan: A Typical Example of Magmatio In- 

 jection.— W. E. Whitehead : Steep Sights in Underground 

 Surveys. 



Royal Aeronavtical Socirtt (at Royal Society of .^rts), at 5.30.— 

 Brig. -Gen. R. K. Bagnall-Wild : Aeroplane Installation. 



Institctton or Electrical Engineers (Joint Meeting with Institu- 

 tion of Heating and Ventilating Engineers), at 6. — Discussion: 

 The Utilisation of Waste Heat from Electrical Generating 

 Stations, with the following Introductory Papers : C. I. Haden : 

 Utilisation of Exhaust Steam from Electric Generating Stations, 

 and Coal Economy.— F. H. Whysall : The Utilisation of Waste 

 Heat from Electrical Generating Stations. 



Chemical Society, at 8.— Prof . A. Smithells • 5fodels of the Lewis- 

 Langmuir Atom, with Explanations. 



Royal Society of Tropical Medicine and Hygiene (at 11 Chandos 

 Street, W.l), at 8.15.— Dr. E. J. Butler: Some Relations be- 

 tween Vegetable and Human Pathology. 



FRIDAY, Jantiart 20. 

 Institute of Transport (at Royal Society of Arts) (Graduates' 



and Students' Lecture), at 5.— G. T. Hedge: The Operation of 



an Important Railway Goods Terminal. 

 Royal Astronomical Society, at 5.— Geophysical Discussion on 



Isostasy : Capt. Alessio, Col. Sir G. P. Lcnox-Conyngham, Prof. 



Plumbach, and others. Col. H. G. Lyons in the chair. 

 Royal College of Surgeons of England, at 5. — Sir Arthur Keith : 



Hunterian Lecture : The Mongolian Face and its Modifica- 

 tions. 

 Royal Society of Medicine (Otology Section), at 5.— A. Tweed ie : 



Short Account of the Research Work being conducted in Utrecht 



on the Saccular, Utricular, and Allied Reflexes (continued). 

 Institution or Mechanical Engineers, at 6.— H. S. Denny and 



N. V. S. Knibbs : Some Observations on a Producer-gas Power 



Plant. 

 Institution of Electrical Engineers (London Students' Section), 



at 7. — L. T. Hinton : Some Applications of the Thermionic 



Valve to Telephony. 

 Geologists* Association (at University College), at 7.30.— S. 



Hassledine : Classifications of the Pleistocene Age. 

 Junior Institution of Engineers, at 8.— Lecturette : Geology in 



its Relation to Engineering. 

 Royal Society of Medicine (Electro-therapeutics Section), at 8,30. — 



Dr. Zimmern, Dr. Agnes Savill, Dr. Sloan-Chesser, Dr. C. A. 



Robinson. Dr. W. J. Turrell, and others : Discussion : Electro- 



therapv in Gvnieoologv. 

 RoTAL Institution or Great Britain, at 9.— Sir James Dewar : 



Soap Films and Molecular Forces. 



SATURDAY, January 21. 



British Mycological Society (in Botany Lecture Theatre. Univer- 

 sity College), at 11 a.m.— Dr. W. Brown: The Germination and 

 Growth of Fungi at Various Temperatures and in Various 

 At.mo.spheres.— Miss D. M. Cnylev : Die Back of Stone Fruits 

 due to Diaporthe Perniciosa and the Behaviour of Monospore 

 Cultures in Artificial Media.— W. B. Crow : The Morpholoe-y 

 and Affinities of Leueoncstoc Mesenteroides. — Dr. H. Wormald : 

 Notes on Crown-fall.— Dr. M. C. Rayner : Oblia'at* Symbiosis 

 in Calluna— W. J. Dowson : Michaelmas Daisy Wilt. 



RoTAt Institution or Great Britain, at 3 —Dr. C. Maopherson : 

 The Evolution of Organ Music (1). 



MONDAY, January 23. 



Phtsiolooical Societt (at King's College) .-Annual Genera? 

 Meeting. 



Victoria Institute (at Central Buildings, Westminster), at 4.30 — 

 S. T. Klein : The Invisible is the Real, the Visible is only its 

 Shadow. 



Royal College or Surgeons or England, at 5.— Sir Arthur Keith : 

 Hunterian Lecture : The European Face and its Chief Varia- 

 tions in Type. 



Institution or Electrical Engineers (Informal Meeting), at 7 — 

 R. J. Mitchell and others : Discussion : Electric Vehicles : Present 

 and Future. 



Institution or Mechanical Engineers (Graduates' Meeting), at 

 7.— F. A. Best : Airships. 



Royal Institute of British Architects, at 8.— Prof. W. Rothen- 

 stein : .Architectural Draughtsmanship. 



Royal Society or Arts, at 8.— C. Ainsworth Mitchell : Inks (Cantor 

 Lectures) (1). 



Medical Society or London, at 8.30.— Dr. F. J. Poynton and Dr. 

 J. W. McNee : A Case resembling Leukoemia, but presenting 

 unusual Clinical and Pathological Features.— T. H. Kellock : 

 A Method of Treating Abscesses— Dr. W. Broadbent : Observa- 

 tions on Heart Disease. 



Royal Geographical Society (at JEolian Hall), at 8.30.— C. J. 

 Edmonds : Luristan. 



NO. 2725, VOL. 109] 



