NATURE 
[APRIL II, 1912 
one month to two years. In four cases the clinical 
diagnosis was confirmed bacteriologically, and in these 
the course of the treatment and its results are described 
in detail.—J. Vallot: The existence of dust in the air 
on the upper glaciers of Mt. Blanc and its effects. 
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Die Zelle der Bakterien. By Prof. A. Meyer. 
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Studies in Terrestrial Magnetism. By Dr. C. 
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Moths of the Months, and How to Identify Them. 
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Grunlinien der anorganischen Chemie. 
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DIARY OF SOCIETIES. 
THURSDAY, Apri 11. 
MATHEMATICAL Society, at 5.30.—An Application of the Theory of 
Integral Equations to the Equation v2«+é#2«=o0: H. S. Carslaw.—On 
Mersenne's Numbers : A. Cunningham. 
Concrete Insriture, at 8.—The True Bending Moments of Beams with 
various degrees of Fixity : Maurice Béhar. 
FRIDAY, Aprit 12. 
Rovat AsTRONOMICAL SocIETy, at 5.—(1) Recent Observations of Nova 
Cygni (1876); (2) Micrometrical Measures and Focal Peculiarities of 
Nova Lacerte (Espin): E. E. Barnard.—The Planet Jupiter in 1889: 
A. Stanley Williams.—The Spectrum of the New Star in Gemini, 1912, 
March: W. E. Curtis.—Definiton of Correlation Coefficients: IEG, 
Kapteyn.—Probable Papers: (1) A Proposal for the Comparison of the 
| Stellar Magnitude Scales of the Different Observatories taking part in the 
Astrographic Catalogue. Second Note: The Bordeaux Magnitudes. 
(2) A Tentative Explanation of the “Two Star Streams” in Terms of 
Gravitation. Second Note: The Position of the Centre of our System: 
H. H. Turner.—Nova Geminorum, Positions for r900°o of Ninety- 
five Stars surrounding it: F. A. Bellamy —Photographs of the Spectrum 
of Nova Geminorum No, 2: Cambridge Observatory. 
Maracotocica Society, at 8.—The Genus Dosinia and its Subdivisions: 
A. J. Jukes-Browne, F.R.S.—On the Generic Name to be applied to the 
Venus islandica, Linn. : E. A. Smith.—Note on Lapparia Parki: H. 
Suter.—Characters of Three New Species of Fresh-water Shells from 
Uruguay ;, New Species of Limicolaria from British East Africa: H. B. 
Preston. 
Institurion oF Civit ENGINEERS, at 8. —Exminster Sewage-di 
Works : H. G. Hoskings. i seg Er 
MONDAY, Apri ts. 
VicToRIA INSTITUTE, at 4.30.—Directivity of Life as seen in the Structure 
of Plants and Animals: Prof. G. Henslow. 
NO. 2215, VOL. 89] 
TUESDAY, Apri. 16. 
InstITUTION oF CiviL ENGINEERS, at 8.—The Remodelling and Equip- 
ment of Madras Harbour: Sir Francis J. E. Spring, K.C.I.E.—The 
Alteration inthe Form of Madras Harbour: H. H. G. Mitchell. 
ILLUMINATING ENGINEERING SOcIETY, at 8.—Lighting of Private Houses. 
by Gas and Electricity: W. H. Y. Webber and W. R. Rawlings. 
WEDNESDAY, Aprit 17. 
Royat Society or Arts, at 8.—Municipal Chemistry: J. H. Coste. 
Gro.ocicat Society, at 8.—The Pre-Cambrian and Cambrian Rocks of 
Brawdy, Hayscastle, and Brimaston (Pembrokeshire): H. H. Thomas 
and Prof. O, T. Jones.—The Geological Structure of Central Wales and 
the Adjoining Region : Prof. O. T. Jones. 
RovaL METEOROLOGICAL SOCIETY, at 7.30.—Report on the Phenologicah 
Observations for 1911: J. E. Clark and R. H. Hooker.—A Method of 
Summarising Anemograms : R. G. K. Lempfert and W. Braby. 
Royat MicroscopicaL Society, at §.—Note on the Life-history of a 
Marine Diatom from Bournemouth: J. D. Siddall.—A modified form 
of the Lever Fine-Adjustment, and a Simple Turn-out Device for the 
Substage Condenser: E. B. Stringer. 
THURSDAY, Apriv 18. 
Roya. InsTiITuTION, at 3.—Synthetic Ammonia and Nitric Acid from the 
Atmosphere : Prof. A. W. Crossley, F.R.S. } 
Linnean Society, at 8.—Botrychioxylon paradoxum, a Palzxozoic fern 
with secondary wood: Dr. D. H. Scott, F.R.S.—On Psyginophyllune 
majus, sp. nova, from the Lower Carboniferous rocks of Newfoundland, 
together with a revision of the genus, and remarks on its affinities > 
Dr. E. A. Newell Arber.—The Alpine Flora of the Canadian Rocky 
Mountains : Mrs. Henshaw. 
INSTITUTION OF ELECTRICAL ENGINEERS, at 8.—Adjourned Discussion : 
The Causes Preventing the More General Use of Electricity for Domestic 
Purposes. 
INSTITUTION OF MINING AND METALLURGY, at 8. 
FRIDAY, Apri 19. 
Royat INsTITUTION, at g.—Electricity Supply: 
Future: A. A. Campbell Swinton. 
INSTITUTION OF MECHANICAL ENGINEERS, at 8.—Tenth Report to the 
Alloys Research Committee on the Alloys of Aluminium and Zinc = 
Dr. W. Rosenhain and S. L. Archbutt. 
Past, Present, and 
CONTENTS. 
Krummel’s Handbook of Oceanography 
PAGE 
133 
deheWMnsurance Act, 1900) ee eee tere er LOR 
Jaekel’s Classification of Vertebrates. By R. L. . 134 
(ThesProdiuction of Wheat. | By Ay DOH. V3 cea mas 
Actual Electrochemistry. By J. Swinburne, F.R.S. 136 
Avireatise‘on Cholera.) ByiRe Go He. <)> een tas 
Our Bookshelf : Re: So oes Wh AR CESS Beye 
Letters to the Editor :— 
Skull of a Neanderthal Type in the Cambridge Fens. 
Prof. A. Keith . ~edey ae kG a eS 
Are Eyes Autophanous ?>—K. H. Barnard ... . 138 
Centre of Pressure on Triangular Plane Gliders at 
Small Angles of Incidence. (W2th Diagrar.)— 
Prof. Herbert Chatley . PM cc aS 
Red Water.—H. Warth . Sh Bias o_o ieee aR 
Siam. (///ustrated.) . . Rohe ie ty la’ s)he Se 
The Smoke Problem. (///ustrated.) {i kee ES 
The British Antarctic Expedition. ........ I4I 
Notes ei ra age Bice oso St Cece 142 
Our Astronomical Column :-— 
The Eclipse of April 17 . ; oe 147 
* The E] Nakhla el Baharia Meteorite . 147 
A Daylight Meteor ..... 3 147 
The Stonyhurst Observatory . . . 147 
Photographs of Halley’s Comet . . 2” (=e eA 
Cycles of the Sun and Weather. By Prof. R. A. 
Grepory oP. - . . isi. 5 o cs bon do Sp eye 
The Etnean Eruption of September, 1911. By C.D. 149 
Water Resources of the United States adn) eso) 
The Port Erin Biological Station. . airs nites 150 
Heat-Waves in Asia: Sunshine at Trieste. By Dr. 
HeGOlG ts. - » (Seer - ie 151 
The Total Eclipse of the Sun, 1911, as Observed 
at Vavau, Tonga Islands. (///ustrated.) By Dr. 
William J. S. Lockyer OAL IS Baran ean. is 
The Relationship of Neanderthal Man and Pithec- 
anthropus to Modern Man. By Prof. Arthur 
BGS) eS 5 6 obo O fammeneesh ole) a WR 
University and Educational Intelligence. .... 156 
Societies and Academies SRC — eee i 156 
BookspReceivied oc... ccd on ees rns ate 158 
Diary of Societies . 158 
