CONTENTS  OF  VOL.  XLlll. — 10U11TH  SKKIES.  V 
Page 
Proceedings  of  the  Royal  Society : — 
Prof.  J.  Thomson  on  the   Abrupt  Change  at  Boiling  or 
Condensing  in  reference  to  the  Continuity  of  the  Fluid 
State  of  Matter 227 
Proceedings  of  the  Geological  Society  : — 
Mr.  D.  Forbes  on  the  remarkable  masses  of  native  iron 
found  on  the  coast  of  Greenland 234 
Dr.   J.  Shaw  on  the   Geology  of  the  Diamond-fields  of 
South  Africa 235 
Mr.  G.  W.  Stow  on  the  Diamond-gravels  of  the  Vaal 
River,  South  Africa 235 
Prof.  T.  R.  Jones  on  some  Fossils  from  the  Devonian 
Rocks  of  the  Witzenberg  Flats,  Cape  Colony 236 
Dr.  A.  Rattray  on  the  Geology  of  Fernando  Noronha  ....    236 
Mr.  J.  W,  Hulke  on  some   Ichthyosaurian  remains  from 
Kimmeridge  Bay,  Dorset 236 
Mr.  J.  Prestwich  on  the  presence  of  a  raised  beach  on 
Portsdown  Hill,  near  Portsmouth,  and  on  the  occurrence 
of  a  Flint  Implement  at  Downton 237 
Mr.  H.  Hicks  on  some  undescribed  Fossils  from  the  *  Me- 
nevian  Group  of  Wales  ' 237 
On  Signals  observed  in  a  Wire  joining  the  Earth-plates  in  the 
Neighbourhood  of  a  third  Earth-plate  used  for  a  Telegraphic 
Circuit,  by  G.K.Winter,  Telegraph  Engineer,  Madras  Railway.  238 
On  a  remarkable  Fault  in  the  New  Red  Sandstone  of  Whiston, 
Cheshire,  by  Professor  Edward  Hull,  F.R.S 239 
Displacement  of  the  Spectral  Lines  by  the  Action  of  the  Tempe- 
rature of  the  Prism,  by  M.  Blaserna     239 
On  Coloured  Gelatine  Plates  as  Objects  for  the  Spectroscope,  by 
E.  Lommel 240 
NUMBER  CCLXXXVI.— APRIL. 
Mr.  C.  R.  A.  Wright  on  the  Relations  between  the  Atomic  Hypo- 
thesis and  the  Condensed  Symbolic  Expressions  of  Chemical 
Facts  and  Changes  known  as  Dissected  (Structural)  Formulae.  241 
M.  E.  Edlund's  Researches  on  the  Electromotive  Force  in  the 
Contact  of  Metals,  and  on  the  Modification  of  that  Force 
by  Heat 264 
Dr.  A.  M.  Mayer's  Acoustical  Experiments  showing  that  the- 
Translation  of  a  Vibrating  Body  causes  it  to  give  a  Wave- 
length differing  from  that  produced  by  the  same  Vibrating 
Body  when  stationary    278 
M.  S.  Lamansky  on  the  Heat-Spectrum  of  the  Sun  and  the 
Lime-Light    282 
Prof.  Challis  on  the  Theory  of  the  Aberration  of  Light 289 
M.  0.  E.  Meyer  on  the  Anomalous  Dispersion  of  Light 295 
Sir  James  Cockle  on  Hyperdistributives 300 
