264 



NA TURE 



[January 12, 1899 



^•;?/Z>/«l', January 13. _ 



Rov^L Astronomical Society, at 8.— A SuKgcstion for ihe Explanation 

 of Stationary Radiant Points of Meteors : Prof. H. H.Turner. — Remarks 

 on Prof. Turner's Paper, with another Suggested Explanation of 

 Stationary R.-idiant Points of Meteors : Prof. \. S. Herschel.— Observ- 

 ations of thi Leonids, November 1S98 : Observatory, Perth, West 

 .\ustralia.— On the Value of Possible Observations from Free Balloons : 

 Rev. I. M. Bacon.— Note on Dr. Gill's paper " On a New Instrument for 

 Measuring Astrophotographic Plates; Prof. H. H. Turner.— Note on 

 Mr. Espin's Object in Perseus: C. D. Perrine.— Eclipse of the Moon, 

 December 27, 1808 : Rev. W. Sidgreaves.— The Great Sun-spot of 

 September 1898 : W. H. Robinson. 

 Institution op Civil Engineers. atS. — The .Application of the Science 



of Mechanics to Engineering Practice ; Dr. Archibald Barr. 

 Malacological Society, at 8. — Notes on the Anatomy of some Snails 

 {Trachyeystis, Dorcnsia and Isomcrin) : W. Moss and W. Mark Webb. 

 —Illustrations of, with Notes on, some Non-Marine Hawaiian Molbiscs : 

 E. R. Sykes. — Description of New Non-Marine Molluscs from the 

 Hawaiian I.slands ; C. F. Ancey. — Note on I'oliita Roadknii^htae l 

 Agnes Kenyon. 



WON DA K, January r6. 



Victoria Institute, at 4.30.— Glacial Action in the Southern He 

 jsphere. 



TUESDA y. January 17. 



Zoological Society, at 8.30. — General Account of his Zoological Ex- 

 pedition to the South Seas ; Dr. Arthur Willey. — On the Characteristic 

 Points in the Cranial Osteology of the Parrots : Prof. D'Arcy W. 

 Thompson, C.B. — Report on the (iorgonacean Corals collected by Mr. J. 

 Stanley Gar>',iner at Funafuti : .Miss Isa L. Hiles. 



Institution of Civil Engineers, at 8.— The Effects of Wear upon 

 Steel Rails : William G. Kirkaldy.— On the Micropholography of Steel 

 Rails : Sir William C. Roberts.Austen, K.C.B., F.R.S. 



Royal Photographic Society, at 8.— On some New Half-tone Screens 

 of English Manufacture : J. E. Johnson. 



'Royal Statistical Society, at 5. 



UTEDNESDA V, January 18. 

 Society op Arts, at 8. — Canals and Inland Navigation in the United 



Kingdom : L. F. Vernon Harcourt. 

 •Geological Society, at 8. — Felsitic Lavas and Tuffs near Conway (North 



Wales) : Frank Rutley.— The Geology of Southern iMorocco and the 



Atlas Mountains : the late J. Thomson. 

 Royal Meteorological Society, at 7.45.— .Annual General Meeting. — 



Address by the President (Mr. F. C. Bayard), on the Government 



Meteorological Organisations in various parts of the World. 



Royal Microscopical Society, at 8. — Annual Presidential Addn 



THURSDA Y, January 19. 

 Royal Society, at 4.30. — Probable Papers: Observations upon the 

 Normal and Pathological Histology and Bacteriology of the Oyster : 

 •Prof. Herdman, F.R S., and Piof. R. Boyce.— On the Formation of 

 Multiple Images in the Mormal Eye : S. Bidwell, F.R.S. —On the Vibra- 

 tions in the Field round a Theoretical Hertzian Os:illator ; Prof. K. 

 Pe.arson, K.R.S., and Miss Lee. -On the Refr.ictivc Indices .and Densi- 

 ties of Normal and Semi-normal Aqueous Solutions of Hydrogen 

 Chloride, and the Chlorides of the Alkalies : Sir J. Conroy, F.R.S. 

 Royal Institution, at 3.— Tibet and the Tibetans: A. H. Savage 



Landor. 

 Society of .Arts (Indian Section), 314.30.— Railwaj's in Burm.a, and their 



proposed Extension across Yunnan ; J. Nisbet. 

 -Ljnkeas Society, at 8.— New Peridiniacea: from the Atlantic: G. R. 

 Murray, F.R.S., and Miss F. G. Whitting.— On the Structure of Lepi- 

 ^lostrobus ; .Arthur J. ^I;L^len. — Some Observations on the Caudal Diplo- 

 spondyly of Sharks: Ur. W. G. Ridewood. 

 Chemical Society, at 8. — Re.scarches on Moorland Waters I. Acidity : 

 W. Ackrnyd.— a-ketolelrahydronaphthalene : Prof. F. S. Kipping, 

 F.R.S, and Alfred Hill. -A New Method for preparing <ii-dimethyl- 

 andTrimcthyl-succinic.VcicIs : William A. Bone.— Reduction ol Optically- 

 ACtive Mono- and l>i-alkylo.\ysuccinic Acids from Malic and Tartaric 

 Acids : Prof. Thom.xs Purdie, F.R.S., .and Willi.am Pitheathly.— Action 

 of Ammonia on Ethereal S:.lts of Ori;:.nic Bases: Dr. Siegfried Ruhe- 

 mann.— Esterification Constants of Substituted .Acetic Acids: Dr. J. J. 

 Sudborough and I^renxo L. I.loyd. — I li-ortho-substitiited Benzoic Acids. 

 Part IV. Formation of Salts from Hi-onho. substituted Benzoic Acids and 

 different Organic Ba.ses : Loren/o 1. Lloyd and Dr. J. J. Sudborough.— 

 The Thermal Effects of Dilution: J. Holmes Pollok.— The Changes of 

 Volume due to Dilution of Aqueous Solutions : F. B. H. Wade. 



FRIDA V, January 20. 

 Royal Institution, at 9.— Liquid Hydrogen : Prof. J. Dewar, F.R.S. 

 EimoemiolocicalSocibtv, at 8. 30.— Epidemic Cerebro-spinal Meningitis : 



i)r. Bruce Low. 

 Quekett Microscopical Club, at 8. 



BOOKS, PAMPHLETS, and SERIALS RECEIVED. 



Books -Re.,uU~ . f Rain, River and Evaporalion 01.4ervalir,ns made in 

 New South Wales during 1397: H. C. Russell (Sydney).-lowa Geo- 

 logical Survey .Annual Report, 1S97, &c.(Dei Moines).— The Last Link: 

 E. Haeckel (Black).-Annual Report of the Smithsonian Institution, to 

 July 1895 (Washington).— Geographical Journal, Vol. xii. (Stanford).— 

 Notes from a Di.ary in Asiatic Turkey : Lord Warkworth (Arnold) -The 

 History ot Mankind : Prof. F. Ratzel, translated, 3 Vols. (M.acmillan)— The 

 Sw.astika:T. Wilson (Wesley).— Mathematical and Physical Tables: 1. 

 - ■- - _ . „ . - - .^ ^^ 



P. Wrapson and W. W. 



(Ma 



-Bush Fruits : Prof. F. 



Bool(Whittaker).— Studien fiber Hirsche : Dr. H. Nitsche, Heft i (Leip- 

 zig, Engelmann).— Grundriss einer Geschichte der Naluiwissensch.aften : 

 Dr. F. Dannemann, ii. Band (Leipzig, Engelmann).— Maryland Geological 

 Survey, Vol. 2 (Baltimore),— The Geology of the Isle of Purbeck and Wey- 

 mouth : A- Strahan (London). 



Pamphlets. — A Course of Lectures on Mining. 1. The South Wales 

 Coal-field : Prof. W. (Jalloway (Cardiff) —The Gypsum Boulder of Great 

 Crosby: T. M. Reade (Liverpool). 



Serials. -Journal of Botany, January (West).— Middlesex Hospital 

 Journal, December (London).— Jouin.al of theRoy.al Agricultural Society, 

 December (Murray). —Journal of the Royal Statistical Society, December 

 (Stanford).— Reliciuary and Illustrated Archa;ologist, Janu.ary (Bemrose).— 

 Zeitschrift fur Physikalische Chemie, xxvii. B.and, 4 Heft (Leipzig).— 

 Transactions of the Wagner Free Institute of Science of Philadelphia, 

 April (Phikadelphia). —Observatory. 'January (Taylor).— Scribner's Maga- 

 zine, January (Low).— Geogr.aphical Journal, January (Stanford).— Know- 

 ledge, January (Witherbv).— Journal of Anatomy and Physiology-, Januarj- 

 (GrifRn).— Engineering 'Magazine, January (222 Strand).— Phologram, 



January (Dawbarn).—M..iillilyWe.-.th« 

 — Annuario Slorico Met' I ' ^l' ■ ll ' 

 January (Williams).-Z.;: ,1 ; ' 



2 Heft (Leipzig).-):,.! l- I . 



Heft (Leipzig). -Atlaiin- M :,i!,iN, I 

 College of Agriculture, liullitin, \ ol 



, September (W.T.shington). 

 mo. Vol. I. 1898 (Torino). —Mind, 

 .^enschaftliche Zoologie, Ixv Band. 

 ;her, Fiinfundzwanzigster Band, 5 

 uary (Gay).— Imperial University, 

 . No. 5 (Komaba). 



CONTENTS. PAGE 



The Development of Research 241 



Geometry of Position. By Prof. O. Henrici, F.R.S. 242 



Racial Anatomy 244 



Our Book Shelf:— 



Dytnond : " .\n Experimental Course of Chemistry 



for Agricultural Students."— R. W 245 



Schwendener : " Gesamnielte Botaiiische Mittheil- 



ungen " 245 



Kethwisch : " Die Bewegung im Weltraum " . . . . 245 



" Small Accumulators. How Made and Used " . . 245 



Dumont : " Natalitc et Democralie" 245 



Letters to the Editor :— 



The Utility of Specific Characters.- Dr. Alfred R. 



Wallace, F.R.S. . » 246 



The Duke of .Argyll and Mr. Herbert Spencer.— 



Herbert Spencer 246 



Carte Gcolcgique internaliunalc de rF.urope. — 



Prof. Edward Hull, F.R.S 247 



I'eriodic Tides.- -A. 'Wilmer Duff 247 



General Law of the Phenomena of Magnetic Per- 

 turbations of Spectral Lines. Hy Prof. Thomas 



Preston, F.R.S 24S 



Coast-Telegraphs and Space-Telegraphy. By Rollo 



Appleyard 24S 



The Fishes of Tanganyika and other Great Lakes 251 



Professor Alfredo Antunes Kanthack 252 



Notes 253 



Our Astronomical Column : — 



Comet Chase -.s7 



Artificial Mi>i>n Markings 257 



A New Dome for Equatorials 257 



A New Asirunon1ic.1l Periodical 25^ 



Conference of the International Geodetic Associa- 

 tion. By E. D. Preston 25S 



Mirage. By Major P. A. MacMahon, F.R.S. . . . 259 



University and Educational Intelligence 261 



Scientific Serials 261 



Societies and Academies 262 



Diary of Societies 2t>j 



Books, Pamphlets, and Serials Received 264 



NO. 1524, VOL. 59] 



