474 



NATURE 



1 1 



ffhvlamini?, and trimfthylaminf 1 



"I Hanr-iot I \ Klmn mi of 



i L.ivaux ■ :<>n of 



Miiiir> i' l-f-moult : 



Rescari ' 



somi' ' 



tl|. , IjOIl.l. 



- \ .1,- -( hult<-n , -tallo- 



j_ir,i|)lii, ..| -(>n\' f.- 



Decrock ii» scminn! 



'' rTobiiv,on '• ■ 



,„•:„. m;, I : 



■':'-. 'I' 



Roarnault : .! "]''•'' • '' 



prfgnanc\ . • int'-rn, '■'- 



ininatioii of s^-x.- ii' nri Pi^ron i !■ '>■ i^ i A 



Ilic period of rstablishmcnt in mmnHMiic ,i(c|i. \ . 



I iiiilcniic of .1 'I M !■ ri.il inl ir , ■■■■^ 



Mcf c icr aii'i 1 'h. 

 ' lironi(i;4i-nic 



i.,1, !. riuiii, I'niiiUus I lilfi'iiiiphis. Cli. 



inculi.itinc; ,'iiiiiiMid-. ari'-iiic; from tin- 



XiilaiTtir •xpi-il' ' " Achalmc -'i'! 



':■■ fimrlinll <if i^ 



.■, iiU'-rl ill'' -.ircoy'' ■ ■ '^ 



in • . H\- lak-ii;:; inl ■ T 



iiillnriii ■■ i>l I i.in 'iiliritioii (an 1 -.liii|)li- and 



f^onrTnl 1,1".. 1\ Kayser : Tli" ■ known a'^ 



hi Thomas : "^ ■:: 'a 



PR I DAY, Ji/MK <>. 



d'Her-ello \ 



la- ;4 

 Lasscur 



p..\v.r .,; 

 Crawior : ^' • 



r. 



; U.-osson 



Vasueiir . L 'M. ;. ' > 



in the Aquiia.-'i. 1. i-'n 

 fauna of rli.' l.'>\\'!- (' 

 found in \i>va Z'lnlila. 



! II'' niarai'- >: . 

 \'. Roussanof 



■honif-rous and I 



niatito 

 1 • vonian 



DIARY OF SOCIETIES. 



THURSDAY, Ji nk i. 



UOVAL SoriKTV, at 4.30. — K-vijeriments on tlie Restoration of Paralysed 

 Muscles '\ rnfari'; of Nervt: Anasiomosis : Dr. R. Kenneriy. — The 

 Morpllol(^::y o' I'rvf-mos.'i'ui <tvj«j/ (Steel) : Col. Sir I). Rruce, C.H., 

 F.R..S. — The Pathogenic A^ent in a Case of Human Trypanosomia.sis in 

 Nyasaland : H. S. St.innus and Dr. W. Yorke. — The Experimental 

 Transmission of Goitre from Man to Animals: Capt. R. McCarrison. — 

 The Action of Radium Radiations npon some of the Main Constituents 

 of Normal Blood : Dr. Helen Chambers and Dr. .'-;. Russ. — The 

 Mechani.sm of Carbon Assimilation. Part III. : F. I,. Usher and J. H. 

 Priestley. — A Contribution to our Knowledge of the Protozoa of the Soil : 

 T. Goodey. 



RovAL Institution, at 3. — Changes Effected by Light : T. Thorne 

 Baker. 



R6NTGF.N Society, at 8.15. — On a Posfible Therapeutic Use of Strongly 

 Ionised Air : C. E. S. Phillips. — The Photographic Investigation of the 

 Forms assumed by the Brush Dischar£;e in Air at Reduced Pressure : 

 C. W. Raflfely. 



LlNNEAN SociiiTV. at ?.— On the Occurrence of Amnhidinium in Quantity* 

 at Per: ' \. HerJman, F.R.S. — The Fauna of the Coal 



Mea-ii: 'Aoodward, F.R.S. 



Institi : I \(aNKF:ns, at ii a.m. — .\ Flame Test for the 



Estimation of 0.\ygen and Black-damp in Naked-Iis;ht Miius : Dr. J. S. 

 Haldane, F.R.S. — An Experiment on the Effect of K'rveisir,^ the Main 

 Air-current: James Bain and Dr. I. S. Haldane. F.R.S. — Notes on 

 Contrivances Designed to Prevent Overwinding, with some Instances of 

 their Faihire : W. H. Pickering and Granville Poole.— The Otto- 

 Hilgenstock Direct-recovery Proce.ss and its Application : Ernest Bury. 



FRIDAY, June 2. 

 Royal Institution, at 9. — Radiotelegraphy : G. Marconi. 



SATURDAY, June 3. 

 Royal Institution, at 3.— Types of Greek Women : Dr. W. L. Courtney. 



TUESDAY, June 6. 

 Royal Institution, at 3. — Charnwood Forest and its Fossil Landscape : 

 Prof. W. W. Watts, F.R.S. 



WEDNESDAY, June 7. 

 Entomological Society, at 8. 



THURSDAY, June S. 



Royal Institution, at 3. — Practical Progress in Wireless Telegraphy : 

 T. Thorne Baker. 



Mathematical Society, at 5.30.— On the Multiplication of Dirichlet's 

 Series : G. H. Hardy. — On the Range of Borel's Method for the Sum- 

 mation of Series : G. H. Hardy and J. E. Littlewood. — On the Con- 

 vergence of Fourier Series and of the Allied Series : Dr. W. H. Voung. — 

 On some Two-dimensional Problems in Electrostatics and Hydro- 

 dynamics : W. M. Page. 



NO. 2170, VOL. 86] 



RovAi T 



D(Xlr 

 RoVAI 



l.,r (\,ini)l<- 

 ment of C 

 Bowen. — \ 

 Method of 

 Prof. S. P. 

 MAt.ACoi.ofa 



'cat Chcmirtnr to tb* 



M.in 

 R.S. 



I'jiiii. .•\tl;^i^•sl^ I'y .^cle^led C)rc!ir:;uc» : 

 -DescriptiMn '.f .1 Ne* *ipcc!*s of .\cma .1 



Mollusi;an Genetic N:ime> and Prjp'jsed Nc 

 Ikologists" A.ssoc|ation, at 8.--Th« Geoloey of ih 



Bergen Arch'' 

 Berge,, I)i ■ , 



Dr. C. F. K..;.' 



N.iii 

 ly < 

 The Rock ^ 



Royal iNsmxTiov.', at 3.— 1 vjes of (ircek Women: Dr. W. L. Courtney. 

 Aristotelian Socikty (at Corpu* Chri«ti CollcKe, Oxford), at 9.— Rtal 

 Beiag and the Object of Thought ; G. F. Stout. 



CONTENTS. AGE 



African Vegetation. I'.y A. B. R. . 441 



The Alternate current Transformer ... 442 



The Feeding of Crops and Stock. P.y M. J. R. D. 443 



Pathogenic Insects 443 



Systematics. By K. J 444 



Coordinate Geometry .;44 



Physical Chemistry 445 



Our Book Shelf 445 



Letters to the Editor :- 



The Fore.st of Auchnacarry. {Illustrated ) — D. W. T. 457 



The End of the /.'<,^;V. — Prof. F. P. Purvis . . 447 

 Distant Orientation in the Amphibia. — Bruce F. 



Cummings 44S 



A Zenith Halo. -Dr. E. van Everdingen; E. Gold 44S 



The YaK-.--R. L, . . 44^ 



Apple Blossoms.— F. C. Constable 44S 



The Recent Census of England and Wales . . . 449 



Industrial Bursaries .... 449 



The Naturalist's Picture Gallery. (I/liistra: . . 450 



Wild Paraguay. {Il!ttstrat.\l) 45' 



Prof. M. H. N. Story Maskelyne, F.R.S. By 



H. A. M 452 



Mrs. W. P. Fleming. By William E. Rolston 453 



The Science Museum 454 



Notes 455 



Our Astronomical Column : — 



Metcalfs Comet, 1910/' . 460 



Recent Oh.servalions of Ilalley's Comet 460 



Early Visibility of the New Moon 460 



Large Proper Motion of a Small Star 460 



Photographic Determinations of Stellar Parallax . . 460 



The Paris Observatory 461 



The Longitude of the Red Spot on Jupiter .... 461 



Measures of Double Stars 461 



The British Solar Eclipse Expedition. {Il.ustraied.) 



By Dr. W. J. S. Lockyer 461 



The Private Sessions of the Imperial Education 



Conference. By G. F. Darnell 462 



The Endowment of Home Science 463 



Annual Tables of Constants and Numerical Data 464 



Standard Time-keeping 464 



Arctic Tides 465 



Aviation Notes 465 



New Organic Compounds of Nitrogen. By Prof. 



Martin O. Forster, F.R.S. . 465 

 A New Method of Chemical Analysis. {Illustrated.) 



By Sir J. J. Thomson, F.R.S. . 466 



University and Educational Intelligence 469 



Societies and Academies 47° 



Diary of Societies 474 



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