548 
NATURE 
Department of Commerce and Labor Bureau of the 
Census. Thirteenth Census of the United States taken. 
in the Year 1910. Statistics. 52 parts. (Washing- 
ton: Government Printing Office.) 
New Zealand. Dominion Museum. Bulletin No. 4. 
The Stone Implements of the Maori. By E. Best. 
Pp. 410+li plates. (Wellington : J. Mackay.) 
Ministry of Finance, Egypt. Survey Department. 
The Value of Gravity at Eight Stations in Egypt and 
the Sudan. By P. A. Curry. Pp. 65+Vv plates. 
(Cairo : Government Press.) P.T.10. 
Essays and Studies Presented to William Ridgeway 
on his Sixtieth Birthday, August 6, 1913. Edited by 
Dr. E. C. Quiggin. Pp. xxv+656+plates. (Cam- 
bridge University Press.) 25s. net. 
Celluloid Dangers with Some Suggestions. By 
D. W. Wood. Pp. 36+plates. (London: British 
Fire Prevention Committee.) 2s. 6d. 
Catalogue of Lantern Slides. Part ii. 
351-918. (London: Newton and Co.) 
Catalogue of the Noctuidz in the collection of the 
British Museum. By Sir G. F. Hampson, Bart. Pp. 
xiv+609; plates ccxxii-ccxxxix. (London : British 
Museum (Natural History); Longmans and Co.) 
The Animal Kingdom. By Dr. Zwanziger. 
lated by G. K. Gude. Pp. vitg2. 
S.P.C.K.) 8s. 6d. net. 
Meteorological Office. The Observer’s Handbook. 
Annual Edition, 1913. Pp. xxiv+157+plates. (Lon- 
don: H.M.S.O.; Wyman and Sons, Ltd.) 3s. 
Die Riviera. By A. Voigt. 
(Berlin: W. Junk.) 7 marks. 
Sound.. By Dr. J. .W. Capstick. 
(Cambridge University Press.) 4s: 6d. 
Cambridge County Geographies :—Northumberland. 
By S. R.  Haselhurst. Pp. xi+181+2 maps. 
Merionethshire. By A. Morris. Pp. ix+166+2 maps. 
(Cambridge University Press.) Each 1s. 6d. 
Handbuch der Arbeitsmethoden in der anorganischen 
Pp. xx++- 
Trans- 
(London : 
Pp. vit+ 466+ vi plates. 
Pp. vi+296. 
Chemie. Edited by Dr. A. Stahler. Dritter Band. 
Allgemeiner Teil. Erste Halfte. Pp. x+692. (Leip- 
zig : Veit and Co.) 22 marks. 
International Congress of Americanists. Proceed- 
ings of the Eighteenth Session. London, 1912. 
Parts r and 2. Pp. Ixxxviiit+570+plates. (London: 
Harrison and Sons.) 2 guineas net. 
Travaux et Mémoires du Bureau International des 
Poids et Mesures. Tome xv. (Paris: Gauthier- 
Villars.) 
DIARY OF SOCIETIES. 
THURSDAY, January 8. 
ConcreTE INSTITUTE; at 7.30.-—Factory Construction : P. M. Fraser. 
INSTITUTION OF FI-ECTRICAL ENGINEERS, at 8.—British Practice in the 
Construction of High-tension Overhead Transmission Lines : B. Welbourn. 
FRIDAY, January 9. 
Rovac ASTRONOMICAL Society, at 5.—Hydrogen and the Primary Con 
stituents of Nebula: J. W. Nicholson. —The Short-period Variable XZ 
Cygni: C. Martin and H. C. Piumn.er.—A New Algol Type Variable 
Star in Pegasus: A Stanley Williams.—Probable Papers: The Number 
of Stars of Exch Phot graphic Magnitude down to 17’0 m. in Different 
Galactic Latitudes : S. Chapman and P. |. Melotte.—The Proper Motions 
of the Brighter Stars within 17° of the Pole, considered in relation to 
their Spectral Type : H.S. Jones. ‘ 
Institution. oF Civ Encinerns, at 8.—The Application of Power Rail- 
way Signalling in Great Britain: C. I. Routh. 
MONDAY, JANUARY 12. 
Rovatr GEOGRAPHICAL, SOCIETY, at 8.30.—The Evolution of the Federal! 
Capital, Australia—Canberra: G. Taylor. 
NO. 2306, VOL. 92]. 
[January 8, 1914. 
TUESDAY, JANUARY 13 : 
LnsTITUTION OF Civit ENGINEERS, at 8,—Superheating Steam in Locomo- — . 
tives: H. Fowler. : : — 
THURSDAY, Janvary™s- 
Rovat GEocrapuicat Socrery, at 5.—Some Scientific Results of Captain 
Scott’s Antarctic Expedition : G. Taylor. 
Rovat Society oF ArTs, at 4.30.—Indian Museums: A Centenary Retro- 
spect : Col. T. H. Hendley, C.L.E. 
InsTITUTION oF MINING AND METALLURGY, at 8. 
Linnean Society, at 8.—Lantern Slid-s Illustrating the Fauna and Flora _ 
of the Interior of Vancouver, from her last journey: Mrs. Henshaw.— 
Some Observations on the Tentacles of Blennius gattorugine: H 
Baylis.—(1) Some Recent Additions to the British Flora ; (2) A Note on 
Article 45 of the Vienna Code; (3) The Abridgment of Miller's 
‘© Gardener's Dictionary” of 1754, and Hill's ‘‘ British Herbal” of 1756: 
G. C. Druce. 
ILLUMINATING ENGINEERING SOCIETY, at 8.—Discussion on Mr. C. J- 
Waldram’s Paper: Some Problems in Daylight Illumination, with Special’. 
Reference to School Planning.” : 
FRIDAY, January 16. 
InstiTuTION OF MEcHANICAL ENGINEERS, at 8.—Commercial Tests of 
Internal Combustion Engines: W. A. Tookey. 
CONTENTS. PAGE 
Lister and His Work. By Dr. C. J. Martin, F.R.S. 523 
Specialised Chemical Text-books. By E. F. A.. . 524 
The Regulation of Navigable Rivers .....-- = 525 
Our Bookshelf ....-.- : 526 
Letters to the Editor :-— : 
The Pressure of Radiation and Carnot’s Principle.— 
Lord Kayleigh, O.M., FR Sa eee 
« Atmospherics”” in _ Wireless Telegraphy.—Prof. 
Jobn Peiry, F.R.S. Cat diel A divtca Se ee 
Columbium verses Niobium, —Prof, F. W. Clarke . 
A New Etching Keagent for Steel.—Dr. Walter 
Rosenhain, F.R.S.. .-- 4 2551s) ses ra 
Dr. J. F. Thorpe’s ‘‘ Caged” Compound,—W. W. 
Reed; J. F. T. ..: Ar 
Lucretius or Kapteyn?—E. J. M.. . . 2 - +s + 
Semi-absolute.—‘* Enquirer” seta ie ta i 
The Making of Mountains. (///ustrated.) ByJ. W. J. 
Zonal Structure in Plants and Animals ...°> +04 
Shackleton’s Transantarctic Expedition, 1914. By - 
Dr. William S, Bruce 1-25. So) ss ee 
Dr. Weir Mitchell. By Sir Lauder Brunton, 
F.R.S. Jars Come : 
IOtER oie - > - egne < 
Our Astronomical Column :— 
Tuttle’s Nebula, N.G.C. 6643 .-.- - : 
Bright Hydrogen |.ines in Stellar Spectra and P. Cygni 
Measurement of Small Displacements of Spectrum | 
Taines. “se Ls) ee ot 
Astronomical Annuals and Star Charts. . . + + + > 
Prize Subjects Proposed by the Paris Academy of 
Sciences for 1915 = 
The Association of Economic Biologists. — By 
527 
528 
528 
529 
529 
. eee 
Bart. ’ 
MVE Cl. ia. Sa eae eee Pech et cis 
Fatigue and Educational Work ...--++-++-> 542 
Engineering at the British Association. ... .- 542 
University and Educational Intelligence. .... 543 
Societies and Academies ...---- , é 545. 
Books Keceived - <i ah eee 
Diary of Societies . 
Editorial and Publishing Offices: 
MACMILLAN & CO., LtD., 
ST. MARTIN’S STREET, LONDON, W.Cc. 
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Advertisements and business leiters to be addressed to the 
Publishers. 
Editorial Communications to the Editor. 
Telegraphic Address: PHuSIS, LonpDon. 
Telephone Number: GERRARD 8830. 
