336 EAT 
URE 
| FEBRUARY 4, 1897 
DIARY OF SOCIETIES. 
THURSDAY, FewRuARyY 4. 
Royat SociEry, at 4.30.—On the Condition in which Fats are absorbed 
from the Intestine: B. Moore and D. P. Rockwood.—The Gaseous 
Constituents of certain Mineral Substanc2s and Natural Waters: Prof. 
W. Ramsay, F.R.S., and M. W. Travers.—Some Experiments on 
Helium : M. Travers.—On the Gases inclosed in Crystalline Rocks and 
Minerals: Prof. Tilden, F.R.S.—Meteorology of India during the past 
Five Years in Relation to the present Scarcity in India : J. Eliot, F.R.S. 
—On Lunar Periodicities in Earthquake Frequency : Prof. Knott. 
Roe e at 3.—Some Secrets of Crystals: Prof. H. A. Miers, 
«RAS. 
Society oF Arts, at 8.—The Mechanical Production of Cold : Prof. James 
A. Ewing, F.R.S. 
LINNEAN SOCIETY, at 8.—A Revision of the Tribe Naucleze (Nat. Ord. 
Rubiaciez): Dr. G. D. Haviland.—A Contribution to the History of 
New Zealand Echinoderms : H. Farquhar. 
Cuemicat Society, at §.—The Oxidation of Nitrogen: Lord Rayleigh.— 
Researches in the Stilbene Series, I. : Dr. J. J._Sudborough.—Diortho- 
substituted Benzoic Acids, III. ; Hydrolysis of Substituted Benzamides : ; 
Dr. J. J. Sudborough, Percy G. Jackson, L. L. Lloyd.—Apparatus for 
Steam Distillation : Dr. F. E. Matthews.—Oxidation of Sulphurous Acid 
by Potassium Permanganate : T. S. Dymond, F. Hughes. 
INsTITUTION OF MECHANICAL ENGINEERS, at 7-30.—Fourth Report to 
ae Research Committee: Prof. W. C. Roberts-Austen, C.B., 
-R.S. 
CameERA CLup, at 8,15.—Flying Machines and Automatic Guns: Hiram 
Maxim. 
FRIDAY, FEBRUARY 5. 
finsTITUTION OF MECHANICAL ENGINEERS, at 7.30.—Partially-immersed 
Screw Propellers for Canal Boats, and the Influence of Section of Water- 
way: Henry Barcroft.—Mechanical Propulsion in Canals: Leslie S. 
Robinson. 
- GeoLocisTs’ ASSOCIATION, at 7.30.—The Evidence for the Presence of Man 
in the Tertiary Period : E. T. Newton, F.R.S. 
SUNDAY, FEBRUARY 7. 
~SuNvbAy LeEcTuURE Society, at 4.—The Light of the Stars: A. W 
Clayden. 
MONDAY, Fepruary 8. 
Society oF Arts, at 8.—Material and Design in Pottery : Wm. Burton. 
)Royat Geocrapuicat Society (Albert Hall), at 9.—Lecture by Dr. 
Nansen on his Arctic Expedition. 
IMPERIAL INSTITUTE, at 8.30.—European Wines and their Manufacture: 
Dr. J. L. W. Thudichum. 
»CaMERA Cus, at 8.15.—Captain Abney, C.B., F.R.S. 
TUESDAY, Fresruary 9. 
ROE INSTITUTION, at 3.—Animal Electricity: Prof. A. D. Waller 
MNSTITUTION OF CiviL ENGINEERS, at 8.—Cold Storage at the London and 
India Docks: H. F. Donaldson. < peta 
Roya PHoroGrapuic Society, at §.—Annual Meeting. 
Royvat Vicroria HALt, at 8.30.—Photography of the Heavens: R. A. | 
Gregory. 
‘ WEDNESDAY, Fesruary 10 
SocieTy oF Arts, at 8.—The Chemistry of Tea: David Crole. 
THURSDAY, Fesruary 11. 
Royat Society, at 4 30.—The following Papers will prodadbly be read :— 
Report to the Committee of the Royal Society appointed to investigate 
the Structure of a Coral Reef by Boring, with Prefatory Note by Prof. 
Bonney, F.R.S.—Preliminary Communication on a Theory of the 
Suction-Force of Branches: Prof. Vines, F.R.S.—The Artificial In- 
semination of Mammalia and subsequent possible Fertilisation or Im- 
pregnation of their Ova: W. Heape.—On the Regeneration of Nerves: 
Dr. R. Kennedy. 
Roya. INSTITUTION, at 3.—Problems of Arctic Geology: Dr. iy. We 
Gregory. Z e 
Society or Arts (Imperial Institute), at 4.30.—The Progress of Science 
Teaching in India: Prof. Jagadis Chundra Bose. 
Society oF Arts, at 8.—The Mechanical Production of Cold: Prof. James 
A. Ewing, F.R.S. 
MATHEMATICAL SOCIETY, at 8. 
InsTITUTION OF ELECTRICAL ENGINEERS, at 8.—Electric Interlocking 
the Block and Mechanical Signals on Railways: F. T. Hollins. 
Camera Cup, at 8.15.—The Making and Exhibiting of Living Photo- 
aphs: Birt Acres. 
* FRIDAY, Fesrvary 12. 
ovat INSTITUTION, at 9.—Recent Advances in Seismology: Prof. John 
Milne, F.R.S. 
\RoyaL ASTRONOMICAL SOCIETY, at 3.—Annual Meeting. 
PuysicaL Society, at 5.—Annual Meeting. 
InsTITUTION OF CiviL ENGINEERS, at 8.—Cooling Reservoirs for Con- 
densing Engines: Harold W. Barker. 
MALACOLOGICAL SOCIETY, at §.—Annual Meeting. 
SATURDAY, Fepsruary 13. 
Rovat INSTITUTION, at 3.—The Growth of the Mediterranean Route to 
the East: W. F. Lord. 3 
Roya Boranic SOCIETY, at 4. 
BOOKS, PAMPHLETS, andSERIALS RECEIVED. 
Booxs.—Geography of Africa: E. Heawood (Macmillan).—The Sacred 
Tree: Mrs. J. H. Philpot (Macmillan).—The Mechanics of Pumping Ma- 
chinery : Dr. J. Weisbach and Prof. G. Herrmann, translated by K. P. 
Dahlstrom (Macmillan).—Guide pour Le Soufflage du Verre: Prof, P. 
Lugol (Paris, Gauthier-Villars).—Aristotle on You h and Old Age, Life and 
Death and Respiration, translated by Dr. W. Ogle (Longmans).—Ostwald’s 
Klassiker der Exakten Wissenschaften, Nos. 80-85 (Leipzig, Engelmann).— 
Advanced Mechanics. Vol. 2. Statics: W. Biggs and Dr. G. H. Bryan 
NO. 1423, VOL. 55] 
(Clive).—Essays by Geo. John Romanes, edited by C. Lloyd Morgan 
(Longmans).—A Handbook to the Order Lepidoptera: W. F. Kirby, Vol. 3 
(Allen).—The Application of Electricity to Railway Working : W. E. Lang- 
don (Spon).—A Manual and Dictionary of the Flowering Plants and Ferns: 
J. C. Willis, 2 Vo's. (Cambridge Unwversity Press).—Annuaire de L'Ob- 
servatoire Municipal de_Montsouris, 1897 (Paris, Gauthier-Villars).— 
Annuario de Estado do Rio Grande do Sul, 1897 (Porto Alegre).—Th. 
Thoroddsen, Geschichte der Islandischen Geographie, i. Band, Autorisierte 
Ubersetzung von A. Gebhardt (Leipzig, Teubner).—A History of the Fens 
of South Lincolnshire : W. H. Wheeler, 2nd edition (Boston, Newcomb).— 
Summer Days for Winter Evenings: J. H. Crawford (Macqueen).— 
Planches de Physivlogie Végétale: L. Errera and E. Laurent, Text and 
Plates (Bruxelles, Lamertin).—Catalogue of the Michigan Mining School, 
1894-95 (Houghton, Michigan).—Geological Survey of Alabama. Report 
on the Valley Regions of Alabama, Part 1 (Montgomery, Alabama).— 
Catalogus Mammalium, nova editio, Fasc 1: Dr E. L. Troussart (Berolini, 
Friedlander)—The British Mercantile Marine: E. Blackmore (Griffin).— 
Traité Elémentaire de Mécanique Chimique fondée sur la Thermo- 
dynamique : Prof. P. Duhem, Tome 1 (Paris, Hermann).—The Story of the 
Weather : G. F. Chambers (Newnes).—Water and its Purification : Dr. S. 
Rideal (Lockwood).—Theorie des Mesoderms ; Dr. C. Rabl, Erster Band 
(Leipzig, Engelmann).—Pioneer Work in the Alps of New Zealand; A. P. 
Harper (Unwin).—Magnetic Fields of Force: Prof. H. Ebert, translated 
by Dr. C. V. Burton, Part 1 (Longmans).—Life and Letters of Wm. Barton 
Rogers, edited by his Wife, 2 Vols. (Boston, Houghton).—Short Studies in 
Physical Science: V. Cornish (Low).—Sciagraphs of British Batrachians 
and Reptiles: J. Green and J. H. Gardiner (St Kilda, Manor Road, 
Wallington), 
PampPu_ets.—Julius Thomsen’s Dualismus der Chemischen Masse 
beleuchtet durch Aufstellung einer neuen Warmetheorie: P. S. Baron 
Wedell-Wedellsborg (Kopenhagen, Hést).—Report of S_P. Langley, Secre- 
tary of the Smithsonian Institution, for the Year ending June 30, 1896 
(Washington).—Analytic Keys to the Genera and Species of North 
American Mosses : Prof. C. R. Barnes and F. de F. Heald (Madison). 
SeriALS.—Journal of the Royal Micr-scopical Society, December 
(Williams).— History of Mankind: F. Ratzel, translated, Part 16 (Mac- 
millan).—Hypnotic Magazine, January (Chicago).—Record of Technical 
and Secondary Education, January (Macmillan).—Contemporary Review, 
February (Isbister).—Humanitarian, February (Hutchinson).—Zeitschrift 
fiir Physikalische Chemie, xxi. Band, 4 Heft (Leipzig, Engelmann).— 
Chambers'’s Journal, February (Chambers).—National Review, February 
(Arnold).—Century Magazine, February (Macmillan).—Fortnightly Review, 
February (Chapman).—Annales de L’Observatoire Magnétique de Copen- 
hague, Années de 1893-94, Livr. 1 (Copenhague) —Astrophysical Journal, 
January (Chicago).—Repertorium zu den Acta und Nova Acta der Aka- 
demie, Zweiter Band, Erste Halfte (Halle). 
CONTENTS. PAGE 
The Study of Bacteriology. By Dr. A. A. Kanthack 313 
Prehistoric Man and Beast. By Prof. W. J. Sollas, 
INAIRAS BO a 6 me. oy ot oe < 1BT4 
Our Book Shelf :— 
Johnson: ‘‘ Getting Gold: a Practical Treatise for 
Prospectors, Miners, and Students”... . . 315 
Zander : ‘‘ Photo-Trichromatic Printing” 4. . . . . 315 
Heilprin : ‘‘ The Earth and its Story; a First Book 
of Geology”? |< Sag; << ic s+ +) = 
Kinsey-Morgan : ‘‘The Climate of Bournemouth in 
relation to Disease, especially Phthisis” . . . . . 316 
Letters to the Editor:— 
Carbon in Bright-Line Stars. —Dr. William 
Huggins, FURGSgeees +. «ve Nee 
Symbols of Applied Algebra.—Prof. Oliver J. 
Lodge, F.R:S3apaeeee. PE Ss 
On Mass.—Dr (MSBeOrReilly... . . (snes 317 
Dynamical Units.—-M. J. Jackson. .... .. 317 
Durham Science Degrees.—Rev. Henry Palin 
Gurney . Seer)... ae 
Photography in Colours. By Sir H. Trueman - 
Wood ; Captain W. de W. Abney, C.B., F.R.S. 318 
British Association Meeting in Toronto, By Prof. 
A.B. Macallum) Sage)... See 
New Foreign Members of the Royal Society. 
(4 i Portraits.) Sees ‘ 329 
Science and Moralsieeme.| - . . .. Eu neeeee ee 
The Photographic Observation of Clouds. (///us- 
trated.) . . 5 ee oS) ee 
Notes, . . .) .) DRM te fo 52 ac eS 
Our Astronomical Column:— 
Tables for finding Latitude Variations . . . ... . 329 
The Trifd Nebulatiiaaenenh.. :. . (2 RR eee 
The Period of SimasyGempanion . . . . . 4 2% 329 
Heat Rays of Great Wave-Length. - . ...+.. . 329 
The Value of Pathological Research By Lord 
Lister; P.R.S:.) 5 peep os ks ZO 
University and Educational Intelligence .... . 331 
Societies and Academiesye. 6. ) . . 6 ee ase 
Diary of Societies aaEeeio 2 » RE reeS36 
Books, Pamphlets, and Serials Received .... . 336 
