384 
amidobenzene, and the sodium derivative of ethyl malonate 
is described.—The composition of the plant juices extracted 
from stems and leaves: G. André.—The chemical com- 
position of the Koch bacillus and its binding material. 
Relation with resistance to acids: Jules Auclair and Louis 
Paris. The fatty matters were extracted by successive 
treatments with alcohol, ether, and chloroform, petroleum 
ether alone being incapable of extracting the whole of 
these substances. These fatty matters, the protoplasm, and 
cellulose all give the Ehrlich reaction.—Autopsy of the 
African elephant “* Sahib,’’ which died at the Museum on 
January 29: Mme. Marie Phisalix. The death resulted 
from an accidental chill, leading to inflammation of the 
lungs, there being no sign of any chronic disease.—A new 
view of the Blastodinideze (Apodinium mycetoides) : Edouard 
Chatton.—The chain of the Puys and the lesser Puys: 
Ph. Glangeaud.—Note on the Palzozoic strata of the 
eastern edge of the Central Plateau: Albert Michel-Lévy. 
—The direction of the earlier folds in the central and 
eastern Pyrenees: Léon Bertrand.—The age of the Eocene 
deposits of the Armorican massif and of the Ronca zone: 
Jean Boussac. 
GOTTINGEN. 
Royal Society of Sciences.—The Nachrichten (physico- 
mathematical section), part v. for 1906, contains the 
following memoirs communicated to the society :— 
July 28.—Questions of crystal-physics, ii., the action 
of a magnetic field on the optical behaviour of pleo- 
chroitic crystals: W. Voigt. 
October 27.—Real and apparent “‘ transgredient stratifi- 
cation’: A. von Koenen.—Measurements of the ionisa- 
tion and radio-activity of the air over the open sea (Atlantic 
and Pacific): F. Linke.—-Meteorological kite observations 
in Samoa: F. Linke.—Eulerian integrals: J. Thomae. 
December 8.—The behaviour of sulphides of the heavy 
metals in aqueous solution: Oskar Weigel. 
cc 
DIARY OF SOCIETIES. 
THURSDAY, FEesruary 14. 
Rovat Society, at 4.30.—On the Purification and Testing of Selenion: R. 
Threlfall, F,R.S.—On the Specific Inductive Capacity of a Sample of 
Highly Purified Selenium: O. U. Vonwiller and W. H. Mason.—Investi- 
gation of the Law of Burning of Modified Cordite: Major J. H. Mansell, 
R.A.—The Thermomagnetic Analysis of Meteoric and Artificial Nickel- 
Troa Alloys: S. W. J. Smith. 
Roya Insrirurion, at 3.—The Minute Structures of Igneous Rocks and 
their Significance: Alfred Harker, F.R.S. 
SoctetTy oF ARTS, at 4.30.—The Practical Side of Famine in India: Sir 
Frederick S. P. Lely, K.C.1.E. 
Lonpon Instirution, at 6.—S 
BRS 
MATHEMATICAL SOCIETY, wat 5.- 
Generators and the Ordé: of t 
On the Reduction of thé Factor 
entific Method: Prof. H. E. Armstrong, 
—Groups defined by the Order of the 
ir Commutator: Prof. G. A Miller.— 
iticn of Binary Septans and Octans to 
the Solution of a Pellian: Dr. T 3tuart.—On Repeated Integrals: Dr. 
k.. W. Hobson.—The Constructii | of the Line drawn through a Given 
Pcint to meet Two Given Lines: Prof. W. Burnside. 
FRIDAY, FEBRUARY i5. 
Rov [nstTiTuTION, at 9.—Foraminifera: J. |. Lister, F.R.S. 
InsTITUTION OF MECHANICAL ENGINEERS, at 8.—Anhual General 
Meeting. 
SATURDAY, FEBRUARY 16. 
Rovat InstiruTron, at 3.—Réntgen, Kathode, and Positive Rays: Prof. 
J. J. Thomson, F.R.S. 
MONDAY, Fesrvuary 15. 
Vicrorta INsTITUTE, at 4.30.—The Spread of the European Fauna: 
Prof. J. Logan Lobley. 
TUESDAY, FEBRuaRY 19. 
Rovat InstTiTuTION, at 3.—The Visual Apparatus of Man and Animals: 
Prof. William Stirling. 
Rovat SraTisvTicat Society, at i 
Zo>LoGICAL SOciETY, at 8.20. 
Farapay Society, at 8.—The Present Position and Future Prospects of 
the Electrolytic Alkali and Bleach Industry: J. B. C. Kershaw. 
InsTITUTION OF CiviL ENGINEERS, at 8.—(Covitinued discussion) Modern 
Motor-vehicles: Col, R. E. B. Crompton, C.B. 
WEDNESDAY, FEBRUARY 20 
Soctery oF Arts, at 8.—Cold Storage and Food Supply : Hal Williams. 
Royat Microscopicar Society, at 8.—An Early Criticism of the Abbe 
Theory: J. W. Gordon.—Some Tardigrada of the Sikkim Himalaya : 
James Murray.—On Some Rhizopods from the Sikkim Himalaya: Dr. 
Eugene Penard.—E xhibition : Slides of Marine Zoological Objects lent 
by Mr. Flatters. 
Rovat Mereorotosicat Sociery, at 7.30.—Report on the Phenological 
Observations for 1996 : E. Mawley.—The Metric System in Meteorology : 
R. Inwards. 
NO. 1946, VOL. 75] 
NATURE 
[ FEBRUARY 14, 1907 
THURSDAY, FEBRUARY 21. 
Royat Society, at 4.30.—Proebable Papers : Vhe Estimation of Chloroform 
in the Blood of Anasthetised Animals: G. A. Buckmaster and J. A. 
Gardner.—On Electrical Seed-Testing: Prof. T. Johnson.—On Longi- 
tudinal Symmetry in Phanerogamia: Prof. Percy Groom.—And other 
Papers. 
Roya InsTiTuTion, at 3.—The Minute Structure of Igneous Rocks and 
their Significance: Alfred Harker, F.R.S. 
CHEMICAL Society, at 8.30.—The Constitution of Oxyazo-compounds : 
W. B. Tuck.—The Influence of Solvents on the Rotation of Optically 
Active Compounds, Part ix., A New General Method for Studying Intra- 
molecular Change: T.S. Patterson and A. McMillan.—The Reduction 
Products of ortho- and para-Dimetboxybenzoin: J. C. Irvine and A. M. 
Moodie.—Replacement of Halogens by Hydroxyl, i., The Hydrolytic 
Decomposition of Hyd:ogen and Sodium Moncchloroacetates by Water 
and by Alkali, and the Influence of Neutral Salts on the Reaction Veloci- 
ties : G. Senter.—The Reaction of Ammonium Salts with the Constituents 
of the Soil: A. D. Hall and C. 7. Gimingham. 
LInNEAN SocieTY, at §.—The Percy Sladen Trust Expedition to the Indian 
Ocean, Introduction, Part i., Ceylon to Mauritius: J. Stanley Gardiner. 
—Land Nemerteans, with a Note onthe Distribution of the Group: R. C. 
Punnett.—Land Crustaceans: L. A. Borradaile —Hymenoptera: P. 
Cameron.—Dragon Flies: F. F. Laidlaw.—Fourmis des Seychelles, 
Admirantes, Farquhar et Chagos: Prof. A. Forel.—Pycnogonide : 
G, H. Carpenter. 
INSTITUTION OF ELECTRICAL ‘ENGINEERS, at 8.—Lecture on ‘‘ Modern 
Theory of Conduction of Electricity in Metals”: Prof. J. J. Thomson, 
F.R.S. 
FRIDAY, FEBRUARY 22. 
Roya InsTITUTION, at 9.—Flame in Gas and Petrol Motors: Dugald 
Clerk. 
Puysicat Society, at 5 —Transformer Indicator Diagrams: Prof. Lyle. 
—lonisation of Gases by a Particles of Radium: Prof. Bragg.—A Micro- 
manometer : B. Roberts 
InstTITUTION oF CiviL ENGINEERS, at 8.—Impurities in Boiler Feed- 
water; their Nature, Effect and Elimination: fF. E. Walker. 
SATURDAY, Fesruary 23. 
Roya INSTITUTION, at 3.—Réntgen, Kathode, and Positive Rays: Prof. 
J. J. Thomson, F.R.S. 
CONTENTS. PAGE 
The Scientific Work of Willard Gibbs. By C.G.K. 361 
Technology of Soaps and Candles. By CC; 
Simmonds r : Pe ee | eee Ge 
Some Prolegomenato Theology . . 363 
Coal Mining... . 3) a ee f 364 
Amphipodous Crustacea. By W. T. C. 365 
Our Book Shelf :— 
Hamilton: ‘‘Incubation, or the Cure of Disease in 
Pagan Temples and Christian Churches” . . . . 366 
Collins: ‘* Manual of Wireless Telegraphy.”—M. S. 366 
“Catalogue of the Lepidoptera Phalzenz in the British 
Musetim;, vol. vite =. 0 eee ws sh ok) EO 
Meissner : ‘* Die meteorologischen Elemente und ihre 
Beobachtung, mit Ausblicken auf Witterungskunde 
und Kelimale bre 2 rae to) IE) 
Saundby: ‘‘The Treatment of Diseases of the 
Digestive System” . . . oe el SEG 
Dixon: ‘‘The Plants of New South Wales” 3 eH 
Letters to the Editor:— 
Magnetic Storm and Aurora on February 9-10,— 
Dr: Charles Chree, FUR 7S); (EAS 4 eee 367 
The Flight of an Elongated Shot.—P. D. Strachan ; 
Prof.yAriG,. Greenhill hak. co) teen 
The Atomic Weight of Nickel.—Dr, Charles G. 
Barkla 367 
On Homer Lane’s Problem of a Spherical Gaseous 
Nebula. By Lord Kelvin, O.M., F.R.S. di 368 
The Problem of the Rhodesian Ruins. (J//ustrated.) 369 
Prof. D. I. Mendeleeff. By Dr. T. E. Thorpe, 
BORUS. og 62 es ees == 2s) | Rrra 
Prof. Antonino Mascari. By W.E. Rolston . . . 373 
Notesiea MOORES Hc. 8 SH 
Our Astronomical Column :— 
The Hrench) Eclipse) Expedition’. 7). eS 
The Spectroscopic Binary a Leonis ...... 
Stars with Variable Radial Velocities ....... 
The Recent Maximum of Mira. ........ 378 
The United States Naval Observatory. ...... 378 
Sun-spotsin 1905... . - me onc oo .0 25s 
Italian Volcanic Rocks. (///ustrated.) By A. H.. . 379 
Inversion Temperatures for Air and Nitrogen , , . 379 
Students in German Universities ......... 380 
Standard Electric Glow Lamps . Z 380 
University and Educational Intelligence . : : ae. 381 
SocietiesfandyAcademies(.) usenet ee 382 
DiaryiofiSocreties” Wy siingeers kecancies atte 
