iv CONTENTS. 
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Fifth Report of the Committee, consisting of Mr. Jonn Murray (Secretary) 
Professor ScuustER, Professor Sir Writ1AM THomson, Professor Sir H. E 
Roscoz, Professor A. 8. Hzrscuet, Captain W. pe W. Asyzy, Professor 
Bonney, Mr. R. H. Scorr, and Dr. J. H. GLapsrone, appointed for the pur- 
pose of investigating the practicability of collecting and identifying Meteoric 
Dust, and of considering the question of undertaking regular observations 
AMEVETIOUS LOGCHITETOS) © ca tteecer accesinee abcice ole steviscilesis ssc soe vonsechlauh teeee eee eee 
Third Report of the Committee, consisting of Professors G. H. Darwin and 
J.C. Apams, for the Harmonic Analysis of Tidal Observations. Drawn 
up by Professor G. H. DARWIN .......:cessc-cceesconssseesseoeestnanrosvonueenieerens 
Report of the Committee, consisting of Mr. Roperr H. Scorr (Secretary) 
Mr. J. Norman Locxysr, Professor G. G. Sroxes, Professor BALrour 
Srewart, and Mr. G. J. Symons, appointed for the purpose of co-operating 
with the Meteorological Society of the Mauritius in their proposed publica- 
tion of Daily Synoptic Charts of the Indian Ocean from the year 1861. 
Drawn up -by-Mr. RK. Hy SGOT... ..sscsesccesccecssvecesvenssevevanensrtuveneuendenennd 
Report of the Committee, consisting of Mr, JAmus N. SHoonprep (Secre- 
tary) and Sir Wirrram THomson, appointed for the reduction and 
tabulation of Tidal Observations in the English Channel, made with the 
Dover Tide-gauge ; and for connecting them with Observations made on the 
POTICH COMA) toe cicrcb space coes shows cabseunwe see tece ene peeeE eR EEE noe Sea ee ee 
Report of the Committee, consisting of Professor G. Forszs (Secretary), 
Captain Anny, Dr. J. Hopxryson, Professor W. G. ApAms, Professor 
G. C. Fosrrr, Lord Rayneten, Mr. Prexce, Professor Scuusrer, Professor 
Dewar, Mr. A, Vernon Harcourt, and Professor Ayrton, appointed for 
the purpose of reporting on Standards of White Light. Drawn up by 
TBR OTESROTY Gs, EH ORIBHS is cciscsni con csistnsssierndeectinngesssGeesiecs ce encnassananseieeeenne 
Second Report of the Committee, consisting of Professor BaLrour SrewaRtT 
(Secretary), Mr. J. Kwox Laucuton, Mr. G. J. Symons, Mr. R. H. Scorr, 
and Mr, JonNnsronE Stoney, appointed for the purpose of co-operating with 
Mr. E. J. Lows in his project of establishing a Meteorological Observatory 
near Chepstow on a permanent and scientific basis ..............:eeeceeeeeeeeees 
Report of the Committee, consisting of Professor BaLrour SrEwart 
(Secretary), Sir W. THomson, Sir J. H. Lerroy, Sir Freprrick Evans, 
Professor G. H. Darwin, Professor G. Curysrat, Professor 8. J. PERRY, 
Mr. CO. H. CarpMaert, and Professor Scuusrer, appointed for the purpose of 
considering the best means of Comparing and Reducing Magnetic Observa- 
tions. Drawn up by Professor BALFOUR STEWART ..........sseceeeeeeeeeeeeeers 
Report of the Committee, consisting of Professor Crum Brown (Secretary), 
Mr. Mrzyz-Homs, Mr. Joun Murray, and Mr, Bucuan, appointed for the 
urpose of co-operating with the Scottish Meteorological Society in making 
Aiteteodalensical Observations’On Ben Nevis) os... cupacnccscsesecdvecooseteves meen 
Seventeenth Report of the Committee, consisting of Professor EyErrrr, Pro- 
fessor Sir W. Tomson, Mr. G. J. Symons, Sir A. C. Ramsay, Dr. A. 
Gerxin, Mr. J. Guaisnur, Mr. Peneecty, Professor EKpwarp Hut, 
Professor PrestwicH, Dr. C. Lz Neve Foster, Professor A. 8. HERscHEL, 
Professor G. A. Lesour, Mr. Gatnoway, Mr. Joserx Dickinson, Mr. G. F. 
Deacon, Mr. E. Wexraerepd, and Mr. A. SrRaHan, appointed for the 
purpose of investigating the Rate of Increase of Underground Temperature 
downwards in various Localities of Dry Land and under Water. Drawn 
up by Professor HivREDD (SECLEUATY it... 60s «ce s000ejsiele sqsone ses /sene doe aess aeintinn 
Report on Electrical Theories. By Professor J. J. THomson, M.A., F.R.S.... 
Second Report of the Committee, consisting of Professor ScuusrER (Secretary), 
Professor BALFoUR Strwart, Professor Stoxus, Mr, G. JoHNSTONE SLoNney, 
Professor Sir H. E. Roscon, Captain Abney, and Mr. G. J. Symons, ap- 
ointed for the purpose of considering the best methods of recording the 
direct Intensity of Solar Radistiony..62....5...0..0++c0evecnaneincwntiorsooQieen tase 
34 
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64 
65, 
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