204 
tion of a solution, Studies on liquid crystals from 
anisal-p-amidoazotoluene, ethyl anisalaminocinnamate, 
p-azoxyanisol; some cholesterol esters, and amyl 
cyanobenzalalamocinnamate.—F, Grandjean ; The orien- 
tation of liquid anisotropes on crystals.—C, -Sauvageau ; 
The biological variations of Saccorhiza bulbosa.—Ch. 
Dhéré and G, Vegezzi: The pigmentary composition of 
hepatochlorophyll.—J, Amar; Sense education and pro- 
thesis apparatus. The results. The apparatus used 
in the re-education of the tactile sensibility in the 
stumps left after amputation has been described in 
earlier papers. Some of the results obtained are now 
described. 
BOOKS RECEIVED. 
Electric Switch and Controlling Gear. By Dr. C. C. 
Garrard. Pp. xviiit+656. (London: ‘‘The Elec- 
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The Elements of Engineering Drawing. By E. 
Rowarth. Pp. xii+131. (London: Methuen and Co., 
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Raymond: or Life and Death. By Sir Oliver J. 
Lodge. Pp. xi+403. (London: Methuen and Co., 
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Syllabus of Personal Hygiene for Set By 
Prof. E. C. Howe. Third revision. Pp. 207. 
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Shakespeare and Precious Stones. By Dr. G. F. 
Kunz. Pp. 1o1+illustrations. (Philadephia and Lon- 
don: J. B. Lippincott Company.) 6s. net. 
The Mechanical Star Bearing Finder. By E. T. 
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My Life and Work. By E. K. Muspratt. Pp. xi+ 
320. (London: J. Lane.) 7s. 6d. net. 
De Strijkinstrumenten. By J. W. Giltay. Pp. xi+ 
103. (Leyden: A. W. Lijthoff.) 
DIARY OF SOCIETIES. 
THURSDAY, Novemser 9. 
Roya. Society, at 4.30.—Methods of Raising a Low Arterial Pres- 
sure: Prof. W. M. Bayliss.—Selective Permeability ; the Absorption 
of Phenol and other Solutions by the Seeds of Hordeum vulgare : 
A. J. Brown and F. Tinker.—The Toxic Action of Dilute Pure Sodium 
Chloride Solutions on tne Meningococcus: C. Shearer.—The AJ’dde 
of the Phagocyte.in Cerebro-spinal Meningitis: C. Shearer and H. W. 
Crowe.—Investigation dealing with the Phenomena of ‘‘Clot” Forma- 
tions. IV. The Diphasic Erosive Action of Salts on the Cholate Gel: 
S. B. Schryver and Mary Hewlett.—Some Photochemical Experiments 
with Pure Chlorophyll and their Rearing on Theories of Carbon Assimila- 
tion : Ingvar Joergensen and F. Kidd. 
Optica Society, at 8.—Some Notes on Glass Grinding and Polishing : 
J. W. French. 
Roya Geocrarnuicar Sociery, at 5.-—Natural Divisions of England : 
C. B. Faweett. 
InstTirution or ELecrricat Encinerrs, at 8.—Eighth Kelvin Lecture: 
Some Aspects of Lord Kelvin’s Life and Work: Dr. A. Russell. 
FRIDAY, Novemser 10. 
Roya ASTRONOMICAL SociETY, at 5. 
Macacotocicat Soctery, at 7.—Has Lymnza an Auriculoid Ancestry ? 
C. Hedley.{(1) Anodonta cygnaca, L., and A, anatina, L.; (2) 
Pseudanodonta rothomagensis, Locard: H. H. Bloomer and H. Overton. 
—Sexual Characters in the Shell and Radula of Cyclostoma elegans: 
Prof. A. E. Boycott. 
Puysicac Sociery, at 5.—Note on the Diffusion of Liquids: B. W. Clack. 
—The Regularity in the Distribution of the Satellites of Spectrum Lines ; 
with a Note on the Structure of the Green Line of Mercury and Terms of 
Correction in Using a Concave Grating : Prof. H. Nagaoka. 
TUESDAY, Novemper 14. 
Royat ANTHROPOLOGICAL INsTITUTE, at 6.—Ancient Stories of a Great 
Flood: Sir J. G. Frazer. 
WEDNESDAY, Novemser 15. 
Roya Mereorovocicat Society, at 5.—A Meteorologist in China: 
C. E. P. Brooks.—The Storm of November 11-13, 1915, in its Passage 
over the British Isles: Lieut. AJ E. M. Geddes, R.E. 
NO.- 2454, VOL. 98] 
NATURE 
[ NOVEMBER 9, 1916 
Roya Microscopica Society, at 8.—The Microscopic Work of the Acca- 
demia dei Lincei: Dr. C. Singer.—A New Tank and Pond-weed Holder 
for use with Greenough Immersion Objectives: S: C. Akehurst. : 
ENTOMOLOGICAL Society, at 8.—The Factors which determine the Cocoon 
cole of Plusia moneta and other Lepidoptera: Mrs. P. A. Merritt 
awkes. 4 . 
Royat Society oF Arts, at_4.30.—Opening Address: The Stability of — 
Great Britain: Dr. Dugald Clerk. 
THURSDAY, NovemseEr 16, 
Roya. Society, at 4.30. 
INSTITUTE OF MINING AND METALLURGY, at 5.30. vs 
Cup Srupy Socrery, at 6.—Experiments in Hand-writing in Schools : 
Speed Tests in Manuscript Writing: Dr. C. W. Kimmins.—The Artistic 
Aspect of Manuscript Writing : Scutt.—Manuscript Writing in a- 
Central School: J. W. Samuel.—Manuscript Writing in a Boys’ Ele- | 
mentary School : A. Sinclair. y P = 
LINNEAN SOCIETY, ats.—(r) Pedanios Dioscorides of Anazarba; his Writings - 
and his Commentators ; (2) The New Cabinets for the Linnean Her E 
‘Lhe General Secretary.—A New Australian Genus of Hydrocharidacee : 
Dr. A. B. Rendle.—Some Co lections of the Littoral Marine Fauna of the 
Cape Verde Islands, made by Cyril Crossland in the Summer of 1904 : 
A. W. Waters. 
FRIDAY, NovempBer 17. t 
INSTITUTION OF MECHANICAL ENGINEERS, at 6.—Réport of the Hardness 
Tests Research Committee. 4 ‘ 
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CONTENTS. 
The Empire at the Cross-roads. By Prof. J. A. 
Fleming, RSS) ¢. os: .< ee wis 
Vinégarn 5s; 3) in, aye” hae 
Invariant: Theory., By G. Bi MY i05.... «°. uses 
The Growth of Telephony. By Prof, T. Mather, 
Onr, Bookghelf?. 0s See >) dale 
Letters to the Editor:— a 
A Nomenclature for ‘‘ Resistance Derivatives,”— 
Prof. G. H. Bryan, F.R.S. ie 
Plastic Flowing of Metals. -W. H. F. Murdoch . 190 
Optical Deterioration of the Atmosphere and Volcanic 
Eruptions.—Prof. A. Riccd 
Position and Promise of British 
facture. By ALRate 45%: eye ule 
Preservation of Natural Colour in Plants. By Dr. 
A.B. Rendle; FiR-S.,.. . 2... » 4). 
Dr. J. 0; Backlund.) ... 6) ys, caus 5 hs, 
Notes ocr. i cceheeiid i> 9 %>=uil 7 aa nn 
Our Astronomical Column :— 
The Radial Velocity of 8 Ursze Majoris .. . 
Radial Motion in Sun-spots Cease 
Wolf-Rayet Bands in the Nuclei of Nebule ... . 
Barnard’s High Proper-Motion Star ....... 196 
A Catalogue of Meteorites...) .. .. . 2) eMOS! 
Memorial to the Late Sir William Ramsay .. . 
The Swiss Society of Natural Sciences. By Grace © 
Chisholm Young : $ Ss ru) 
Anthropology at the British Association. .. . 19) 
An Imperial Department of Minerals and Metals. 199 
The British Association at Newcastle :— F 
Section I—Physiology.—Opening Address (Abridged) 
by Prof. A. R. Cushny, M.A., M.D., F.R.S., 
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