NA TURE 



[May 1 1, 1905 



inhibited; (4) stimulation of the vagus nerve does not 

 inhibit the secretion due to secretin ; (5) the pressure under 

 which the fluid is secreted In the pancreatic duct is equi- 

 valent to 9 inches of the juice ; (6) pancreatic juice may be 

 activated by leucocytes so that it acts upon proteids. 



DIARY OF SOCIETIES. 



THURSDA V, 

 1 of Fe 



May 



lETV, at 4, Election of Fellows.— At 4.30, On the Resemblances 

 existing between the '' Pllmmer's Bodies" of Malignant Growths and 

 certain Normal Constiluentsof Reproductive Cells of Animals : Prof. J. B. 

 Farmer, F.R.S., J. E. S. Moore, and C. E. Walker.— The hffect of 

 Plant Growth and of Manures upon the Sod : the retention of Bases by 

 the Soil: A. D. Hall and Dr. N. H. J. Miller.— A Study of the Process 

 of Nitrification with Reference to the Purification of Sewage: Miss H. 

 Chick.— Pathological Report on the Histology of Sleeping Sickness and 

 Trypanosomiasis ; with a Comparison of the Changes found in Animals 

 infected whh T. gambiense and other Trypanosomata : Dr " " ' — 

 (i) The Experimental Treatmenl 

 Remarks on Mr. Plimmer's Note 



of Gambian Fe 



f Trypanosomiasis in Animals ; (2) 

 the EfTects produced In Rats by the 

 ■ and Sleeping Sickness: Dr. H. 



ufactu 



s, at 8.— Telephone Traffic 



Trypai 



Wolferstan Thomas. 

 Royal Institution, at 5.— Flame : 

 Society of Arts, at 4.30. — The Man 



India: H.J. Tozer. 

 [nstitution of Electrical Eng 



H. L. Webb. . . , 



Sociological Society, at 8.15.— Some Guiding Principles in 1 



Philosophy of History : Dr. J. H. Bridges. 

 Mathematical Society, at 5.30.— On the Intersections of two Co 



Sections • J. A. H. Johnston.— On a System of Conies yieldl 



Operators which Annihilate a Cubic and its Bearing on the Reduction 



the Cubic to the Sum of four Cubes: H. G. Dawson.— High Pell 



Factorisations; Ll,-CoI. A. Cunningham. 



Ro 



Ins 



Nichols, 



ION, 



FRIDA V, Ma 

 i g.-The Pressu 



) Radi: 



Prof. E. F. 



. Society, at 8. -A Simple Method of Determining the Radial ion 

 Constant ; suitable for a Laboratory Experiaient : Dr. A. D. Denning. — 

 A Bolometer for the Absolute Measurement of Radiation : Prof. H. L 

 Callendar, F.R.S.— The Resistance of a Conductor the Measure of the 

 Current flowing through it: W. A. Price. 



Malacological Society, at S.— Note on Helix /ie/lUa, F4r., and other 

 Shells from the Pleistocene Cave-deposils of East Crete : Rev. R. Ashing- 

 ton Bullen. — Notes on Recent Spanish Shells from Granada and Carmina ; 

 Rev. R. Ashington Bullen.— Description of a new Species of Vitrea from 

 Greece : E. A. Smith.— Descriptions of new Forms of Marglnelllda: and 

 Pleurolomldai : E. R. Sykes. 



Royal Astronomical Society, at 5. — Discussion of the Observations of 

 the Satellite of Neptune made at the Royal Observatory, Greenwich, in 

 the years 1502-3-4 ; F. W. Dyson and D. J. R. Edney.— Further Note 

 on the Density and Prolateness of Close Binary Stars : A. W. Roberts.— 

 On Hansen's Coefficients for the Inequalities in the Moon's Longitude : 

 1£. Nevill.— A Supposed Instance of Sudden Change on Jupiter : Major 

 P. B. Molesworth. —Optical Distortion of the Object Glass of the Astro, 

 graphic 'Telescope, deduced from Measures of the Eros Photographs, 

 Communicated by the Astronomer Royal : Royal Observatory, Greenwich. 

 —Prainhcd Papers : On the Formula for Connecting Photographic 

 Diameters with Stellar Magnitudes : H. H. Turner.— The Determinatiori 

 of Stellar Proper Motions without Reference to Meridian Observations 

 A. R. Hinks.— Notes on the Use of Thorp Gratings for Eclipse Work 

 Dr. W. J. S. Lockyer. 



Arts, 



SATURDAY, May 13. 

 , at 3. — Moulds and Mouldii 



MONDAY, May 15. 

 It 8.— The Uses of Electricif 



Society 



Royal 1 Gbographical Socii 

 -Central Tibet and to ihe Sou 



Ryder. 

 Victoria Institute, at 4.30. — The Messiah ofQuadi 



Prof. Marshall 



n and Survey in 

 Captain C. H. D. 



ivold. 



TUESDA y. May i6. 

 ton, at s.— The Study of Extinct Animals ; Prof. L. C. 



Royal Institl 



Mlall, F.R.S. 

 RoTAL Statistical Society, at 5. 

 Zoological Society, at 8.30. — A Contribution to the Knowledge of the 



Encephalic Arterial System in Sauropslda : F. E. Beddard. — On Stridu- 



lating Halyinx, with Descriptions of New Genera and Species; Dr. E. 



Bergroth. — On the Classification of the Anthropoid Apes as Proposed by 



the Hon. Walter Rothschild : Sir Harry Johnston. 

 Society of Arts, at 8.— Excavation of the Oldest Temple at Thebes : 



H. R. Hall. 



IVEDNESDAY, May 17. 



Society of Arts, at 8.— The Use of Wood Pulp for Paper Making : 

 S. Charles Phillips. 



Royal Microscopical Society, at 8.— The Movements of Diatoms 

 and other Microscopic Plants : D.D.Jackson. — Exhibition of Slides of 

 the Onbatida:. 



Royal Meteorological Society, at 4.30.— Measurement of Evapora- 

 tion ; R. Strachan. — Logarithmic Slide-Rule for reducing Readings of the 

 Barometer to Sea-level : Dr. J. Ball. 



Chemical Society, at 5.30.— The Chlorination of Methyl Derivatives 

 of Pyridine. Part I. 2-Methyl Pyridine : W. J. Sell.— The Absorption 



Spectra of Uric Acid, Murexide and the Ureides in Relation to Colour 

 and to their Chemical Structure; W. N. Hartley.— Further Studies on 

 Dlhydroxymaleic Acid : H. J. H. Fenton.— The Thermal Decomposition 

 of F. rmaldehyde and Acetaldehyde : W. A. Bone and H. L. Smith.-The 

 Synthesis of Formaldehyde: D. L. Chapman and A. Holt, Jun.— The 

 Influence of Light on Diazo-reactions. Preliminary Notice: K. J. P. 

 Orton, J. E. Coates, and (in part) F. Burdett. 



THURSDAY, May 18. 

 Royal Society, at ^-io.—ProbaUe Papers: On Lesage's Theory of 

 Gravitation and the Repulsion of Light : Prof G. H. Darwin, F.R.S.— 

 The Atomic Weight of Chlorine; an Attempt to Determine the Equiva- 

 lent of Chlorine by burning with Hydrogen: Prof H. B. Dixon, F.R.S., 

 and E. C. Edgar.— The Flow of the River I hames in Relation to Brilish 

 Pressure and Rainfall : Sir Norman Lockyer, K.C.B., F.R.S., and Dr. 

 W.J. S Lockyer.— Thorianite, a New Mineral, from Ceylon: Prof W. R. 

 Dunstan. F.R.S., and G. S. Blake.— The Elastic Properties of Steel 

 at High Temperatures: Prof. B. Hopkinson and F. Rogers.— Modified 

 Apparatus for the Measurement of Colour, and its Application to the 

 Determination of the Colour Sensations: Sir Willi.am de W. Abney, 

 K.C.B., F.R.S. — FurthenOhservations on the Germination of the Seed of 

 the Castor Oil Plant {Riciniis eommunis) : Prof. J. Reynolds Green, 

 F.R.S., and H. Jackson.— On the Efferent Relation.ship of the Opiic 

 Thalamus and Deiter's Nucleus to the Spinal Cord, with Special 

 Reference to the Cerebellar Influx Theory (Hiighlings Jackson) and the 

 Genesis of Decerebrate Rigidity (Sherrington) : Dr. F. H. Thiele.— On 

 Reciprocal Innervation of Antagonistic Muscles. Eighth Note: Prof. 

 C. S. Sherrington, F.R.S.— The Structure and Function of Nerve Fibres : 

 Prof. J. S. Macdonald.— On the Occu.rence oT Anopheles (Myz 



L'stoni inCalc "' "* 



Adie. 



Major A. Alcock, CLE., F.R.S., and Major J. R. 



■UTiON, at s.-Flame ; Sir Jam 

 Society of Arts, at 4 30 —Plague in India 

 Faraday Society, at 8.— An Application to 

 Theory of Solutions: T. M. Lowry. 



FRIDAY. May 

 Royal Institution, at 9. — The Native Ra 

 Protectorate : Sir Charles Eliot, K.C.M.G. 

 Epidemiological Society, at 8. 30. 



SA TURD A Y, May 20. 

 Royal Institution, at 3. — The Evolution of the Kingship in Early 

 Society: Dr. J. G. Frazer. 



esDewar, F.R.S. 

 : Dr. C. Creighlon. 

 Electrolytes of the Hydrate 



: of the British East Afrit 



NO. T854, VOL. 72] 



CON'I'ENTS. PAGE 



Flow of Underground and River Waters 25 



A New American Work on the Calculus. By Prof. 



George M. Minchin, F.R.S 26 



Serum Diagnosis. By A. E. B 27 



History of Pharmacy. By T. A. H 27 



Our Book Shelf ;— 



" Guide to the Gallery of Birds in the British Museum. " 



— R. L. 28 



Holleman : "A Laboratory Manual of Organic 



Chemistry for Beginners" . . . ■ 28 



Kronthal : " Metaphysik in der Psychiatric " .... 29 



Simon ; " A Text book of Physiological Chemistry " . 29 



Flammarion : " Astronomy for Amateurs " 29 



Letters to the Editor: — 



Scientific Correspondence of the late Sir George 



Stokes. — Prof. J. Larmor, F.R.S ' . 29 



The Transposition of Zoological Names. —Dr. P. L. 



Sclater, F.R.S 30 



Modern Algebra.— A. B. Basset, F.R.S 30 



Current Theories of the Consolidation of the Earth. — 



Dr. T. J. J. See 30 



Notes on Stonehenge. VL~On the Solar Observ- 

 ations made in British Stone Circles. (Illustrated.) 



By Sir Norman Lockyer, K.C.B., F.R S 32 



South African Geology. (Illuslrated.) By Prof. 



Grenville A. J. Cole 35 



The Naumann Festival at Cijthen. By Prof. Alfred 



Newton, F.R.S 36 



Dr. J. E. Dutton 37 



Notes. {Illustrated.) 38 



Our Astronomical Column: — 



Ephemeiis for Comet 1905 a 43 



Comets 1905 II (1904 f) and 1904 I 43 



Observations of Jupiter 43 



The Electric Charge of the Sun 43 



Variability of Minor Planet (15), Eunomia 43 



Faintness of Planetary Nebula; 43 



The Cowthorpe Oak. {Illustrated.) 43 



Fishery Investigations in the Norwegian Fjords . 45 



A New Slide Rule. By C. V. B 46 



University and Bducationallntelligence 46 



Societies and Academies 46 



Diary of Societies 48 



