ON THE ELUCIDATION OF METEOROLOGICAL PHENOMENA. 81 



coincide with the possibility of making them, very frequently in the 

 course of a short time such as that which has elapsed since the cameras 

 have been finished. 



Your Committee, therefore, ask to be reappointed for another year, so 

 that they may carry out the work in hand, and with that object in view 

 ask for a further grant of 151. 



Solar EacUation. — Eleventh Report of the Committee., considing of 

 Sir G. C. Stokes (Chairman), Professor A. Schuster, Mr. G. 

 Johnstone Stoney, Sir H. E. Roscoe, Captain W. de W. Abney, 

 Mr. C. Chree, Mr. G. J. Symons, Mr. W. E. Wilson, and Pro- 

 fessor H. McLeod, appointed to consider tlie best Methods of 

 Recording the Direct Intensity of Solar Radiation. 



The Committee regret to have to report that for various reasons no 

 experiments have been made with the Balfour Stewart actinometer since 

 the last meeting of the Association. As Mr. Wilson has undertaken to 

 continue the experiments, the Committee ask for reappointment and for 

 the unexpended balance of the previous grant. 



Investigation of the UartJtquahe and Volcanic Plienomena of Japan. 

 Fourteenth Report of the Committee, consisting of tlie Rt. Hon. 

 Lord Kelvin, Pres. R.S., Professor W. G. Adams, F.R.S., Mr. J. 

 T. Bottomley, F.R.S., Professor A. H. Green, F.R.S., Professor 

 C. G. Knott, F.R.S.E., and Professor John Milne, F.R.S. 

 (Secretarij). (Dramn np by the Secretary.) 



[PLATES ir-IV.] 



CONTENTS. 



I. The Gray-j\filne Sei.^moffra2>h . 81 

 II. Observations /vlili Hurizoutal 



Pendulums . . . .84 

 (a') The Inf:tru)ueiit.i . . 8.5 

 {h) Ohservatiuns at Kamahura 88 

 (f) The Biaijrams . . .1)0 

 (r7) The Movements of the Pen- 

 dulums . . . . .90 

 (e) Earthqualies . . . 91 

 (/) The Ubservatimis in Tuluo . 94 

 (.'/) Sensitireness of the Instru- 

 ments . . . . .94 

 (//) Paihi Tdtiiui ... 95 

 («') F.rtraet from Journal rf 

 Pccord.'i obtained in \S[)i: . 96 



(j) T/ie Wandering of the Pen- 

 dulums 99 



(Jt) Movements of Water in o 

 Well 104 



{V) An, Experiment on Evapo- 

 ration . . . . . lOIJ 



(?rt) Kffeefs produced by cmjjty- 

 infa Well . . . .107 



(n.') 'Earthquakes . . .108 



(o) Tremors .... 109' 



{p) Observations at YoJtohama 

 and Kanagatva . . . 109 



(rj) Conchisions . . .110 



III. The Toltio Earthquahes of June 



20, 1S94 . . . .111 



IV. Miscellaneous . . . .112 



I. The Grav-Milxe Seismograph. 



The first of this form of seismograph, constructed in 1883, partly at the 

 expense of the British Association, still continues to be used as the standard 

 instrument at the Central Observatory in Tokio. 



I am indebted to Mi-. K. Kobayashi, the Director of the Observatory 

 for the following table of its records : — 



1895. o 



