NATORE 
[JANUARY 10, 1907 
264 
puscles in the Gammaride: L. Bruntz.—A new antelope 
from Central Africa, Cephalophus leopoldi: Maurice 
de Rothschild and Henri Neuville.—The influence of a 
small quantity of the radium emanation on the develop- 
ment and metamorphosis of batrachians: P. Wintrebert. 
—A comparison of sleep during the day and ni hes aN: 
Vaschide. Sleep during the daytime is in all cases less 
profound, less restful, and less refreshing than sleep during 
the night—The treatment of malignant pustule by iodine : 
A. F. Llobet.—The charriage of the northern slopes of 
the Pyrenees between the valley of Ariége and Roussillion : 
Léon Bertrand.—Some early experiments of M. Daubrée 
and of M. de Chancourtois relative to the artificial imita- 
tion of mountain chains: Stanislas Meunier. 
DIARY OF SOCIETIES. 
THURSDAY, January to. 
MATHEMATICAL SOCIETY, at 5.30.—Exhibition of Four-dimensional 
Models : Mrs. A. Stott.—On the Uniform Convergence of Fourier’s Series : 
Dr. E. W. Hobson.—Asymptotic Approximation to Integral Functions of 
Zero Order: J. E. Littlewood.—Partial Differential Equations of the 
Second Order having Integral Systems free from Partial Quadratures : 
Prof. A. R. Forsyth.—On the Singular Points of Some Classes of Power 
Series in Several Variables: G. H. Hardy.—The Construction of the Line 
drawn through a Given Point to meet Two Given Lines : Prof. W. Burnside. 
—On the Reducibility of Covariants of Binary Quantics of Infinite 
Order, Part iii.: P. W. Wood.—On Hypereven Numbers, and on Fer- 
mat’s Numbers: Lieut.-Col. A. Cunningham, 
ENGINEERS, at 8.—New Incandescent 
INSTITUTION OF ELECTRICAL 
Lamps: J. Swinburne. 
FRIDAY, JANUARY It. 
InstiTuTION oF Civit ENGINEERS, at 8.—The Balancing of Internal- 
combustion Motors applied to Marine Propulsion: A. I. Weston. 
Rovat ASTRONOMICAL SOCIETY, at 5.—Observation of the Occultation of 
Saturn by the Moon, 1906, October 27: John Tebbutt.—The Places of 
Zodiacal Stars for the Epoch 1900: A. M, W. Downing.—The Perturba- 
tions of Halley's Comet: P. H. Cowell and A. C. D. Crommelin.— 
Micrometrical Measures of Double Stars: Rev. T. E. .Espin.—New 
Double Stars: Rev. T. E. Espin.—Observations of Occultations of Stars 
by the Moon made in the Year 1906: Royal Observatory, Greenwich, — 
Probable Paper: Mean Areas and Heliographic Latitudes of Sun-spots in 
the Year 190s, Deduced from Photographs taken at the Royal Observa- 
tory, Greenwich, at Dehra Diin, at Kodaikanal Observatory, India, and 
in Mauritius (communicated by the Astronomer Royal).—Prodable Dis- 
cussion: Prof. Fowler's Papers on the Enhanced Lines of Iron in the 
Region F to C, and on Silicon in the Chromosphere. 
MALACOLOGICAL SOCIETY, at 8.—Descriptions of New Species of Achatina 
from the Congo Free State: S. I. Da Costa.—Further Contributions to 
the Genus Chloritis, with Descriptions of Eleven New Species: G. K. 
Gude.—Description of a New Species of Papuina, and Illustrations of some 
hitherto unfigured Helicoid Land-shells: G. K. Gude.—Descriptions of 
new Non-marine Shells from New Zealand; Henry Suter. i 
SATURDAY, JANUARY 12. 
Rovat GEOGRAPHICAL Sociery (at The Queen's Hall, Langham Place), 
at 8.45.—The Duke of the Abruzzi’s Expedition to Mount Ruwenzori. 
Pusiic ScHoot SCIENCE Masters’ ASSOCIATION (University of London), 
at 2.30.—The Place of Science and of Literature in a General Education : 
Rev. and Hon. E. Lyttelton.—The Internal Economy of School Science : 
Mr. Thwaites.—The best Method of Introducing the Atomic Theory in 
Science: F. R. L. Wilson. 
MONDAY, JANUARY 14. 
Lonpon INSTITUTION, at 5.—The Wonder Workers of the Soil: Prof. 
W. B. Bottomley. 
TUESDAY, JANUARY 15. 
RovaL [NsTITUTION, at 3.—The Sculpture of Aegina in Relation to 
Recent Discovery: Prof. Perey Gardner. 
ZOOLOGICAL SOCIETY, at 8.30.—On a Collection of Mammals made by Dr. 
Vassal in Annam: J. Lewis Bonhote.—On the ‘‘ Bleating” or ‘* Drum- 
ming” of the Snipe (Gaddinago coedestis): P. H. Bahr.—Some New and 
Insufficiently-known Species of Marmoset Monkeys from the Amazonian 
Region: Dr. E. A. Goeldi.—Contributions to the Knowledge of the 
Systematic Arrangement and Anatomy of Certain Genera and Species of 
Squamata: F. E. Beddard, F.R.S. 
RoyaL STATISTICAL SOCIETY, at 5. 
Society oF ARTS, at 4.30.—The Progress of the Uganda Protectorate: 
George Wilson, C.B. 
Farapay Society, at §.—The Application of the Electron Theory to 
Electrolysis : E. E. Fournier d’Albe. 
WEDNESDAY, JANUARY 16. 
Society oF Arts, at 8.—Adjourned Discussion on Mr. J. W. Gordon's 
Paper, Patent Law Reform. 
Royat Microscoricat Society, at 8 —President’s Annual Address, The 
Flowering Plants of the Mesozoic Age in the Lightof Recent Discoveries. — 
Exhibition of Mounted Specimens of Freshwater Polyzoa: Mr. Rousselet. 
NO. 1941, VOL. 75| 
Mereorotocicat Society, at 7.45.—Annual General Meeting.—Presi- 
dential Address, Weather in War Time: Richard Bentley. 
THURSDAY, January 17. ! 
Rovat Society, at 4.30.—Prolable Papers : Regeneration of Bone, Part ii. : 
Sir William Macewen, K.C.B., F.R.S.—Further Observations on the 
Effects Produced in Rats by the Trypanosomata of Gambia Fever and of 
Sleeping Sickness: H. G. Plimmer.—The Natural and Induced Resist- 
ance of Mice to the Growth of Cancer: Dr. E. F. Bashford, J. A. 
Murray, and Dr. W. Cramer.—On the Pathology of the Dropsy produced 
by Obstruction of the Superior and Inferior Venz Cava and the Portal 
Vein; Preliminary Communication: Dr. C. Bolton.—Experiments on the 
Dark Space in» Vacuum. Tubes: Sir William Crookes, F.R.S.—On the 
Discharge of Negative Electricity from Hot Calcium: Dr. F. Horton. 
CHEMICAL SocIETY, at 8.30.—The Relation between Absorption Spectra 
and Optical Rotatory Power, Part i., The Effect of Unsaturation and 
Stereo-isomerism: A. W. Stewart.—Organic Derivatives of Silicon, 
Part ii., The Synthesis of Dl-ethyl, Propyl Benzyl Silicol, its Sulphona- 
tion, and the Resolution of the Sulphonic Derivatives into Optically 
Active Compounds: F. S. Kipping.—The Association of Phenols in 
the Liquid Condition : J. T. Hewitt and T. F. Winmill.—A New Mercuric 
Oxychloride : J. T. Hewitt.—Aromatic Selenonium Bases: S. Smiles and 
T. P. Hilditch.—The Relation of Colour and Fluorescence to Constitu- 
tion: A. G. Green.—The Constitution of Silver Nitrite, a Correction: E. 
Divers.—Preparation of Chromyl Chloride: F. D. Law and F. M. 
Perkin.—Tetraketopiperazine : A. T. de Moulpied and A. Rule. 
Roya INsTITUTION, at 3.—Recent Advances in the Exploration of the 
Atmosphere: Dr. W. N. Shaw, F.R.S. 
LINNEAN Society, at 8.—Platanthera chlorantha, Custor, var. tricad- 
carata: W. Botting Hemsley, F.R.S.—Acanthacea of Insular Malaya : 
the late Mr. C. B. Clarke, F.R.S.—A Freshwater Isopod from Calcutta : 
Rey. T. R. R. Stebbing, F.R.S. 
FRIDAY, January 18. 
Rovat InstT1TuTION, at 9.—Fifty Years of Explosives : Sir Andrew Noble, 
Bart., K.C.B., F.R.S 
INSTITUTION OF MECHANICAL ENGINEERS, at 8.—Adjourned Discussion 
on Lighting of Railway Premises, Indoor and Outdoor: H. Fowler.— 
Eighth Report to the Alloys Research Committee : On the Properties of 
the Alloys of Aluminium and Copper: Prof. H. C. H. Carpenter and 
C. A. Edwards. 
CONTENTS. PAGE 
Indian Climatology. By Prof.J. Hann ...... 241 
A New Treatise on Evolution. By F. A.D. ... 244 
Our Coal)Resources 5 eiree ence) -) ante nen 
The Religion of the: Malay sium. ue) irene 245 
Our Book Shelf :— 
Millington: ‘‘John Dalton”. ..... Me foe BG) 
‘‘Verhandlungen der deutschen zoologischen Gesell- 
schaft, 1Q062 "2-2. .ts) (eaves) cede =) a 
‘© Photograms of the Year 1906” . «jo sk Cale REEL 
Stuyvaert: ‘Les Nombres positifs. Exposé des 
Théories modernes de I’ Arithmétique élementaire ” 246 
Letters to the Editor:-— 
The Treatment of Cancer.—Dr. J}. Beard; The 
Writer of the Article... . ; Beran 62-4 
The American Gooseberry-mildew.—E. S. Salmon. 247 
Filter Presses. —The ‘‘ Cooper Research Labora- 
tOry cts.) oo 2 SR SP 
Archeological Discoveries in Turkestan 5 he e248 
At the Back of the Black Man’s Mind. (J//ustrated.) 248 
Jujutsu. (Z//ustrated.) By Lady Lockyer. .... 250 
Scientific Workin Egypt. By W.E.P. ..... 250 
International Fishery Investigations ....... 251 
Notes) 2 0802 ies oe es 0 6 Sect ne 
Our Astronomical Column :— 
Ephemeris for Comet 1906g (Thiele) . - .... . 257 
The Observation of Total Solar Eclipses. . . . . . 257 
@bservations;ofyMars). = <0. 0-0 BG on cdy/ 
‘Transit-circle,@bservations) <> 9). pees yt 
The ‘‘Companion to the Observatory” . .. .. . 257 
‘¢ The Heavens at a Glance, 1907”. ...... - 257 
The Geology of Mining Areas. (///ustrated.) By 
(ol; nl A oa MC inmcr CR Gh on coho. Zi 
Men of Science in America. ... ....... . « -259 
Wave Actionin Relation to Engineering Structures 260 
Science in Examinations for the Higher Civil 
Servicemid <6.) e 2) yeas oe oe ee) 
University and Educational Intelligence . . ... 261 
Societies and Academies. ........4..-. 262 
Diary of Societies «5. paaislous ke iat otek, el eee ee CEOS. 
