"WOODCUTS  AND  OTHER  ILLUSTRATIVE  FIGURES. 
XV 
[G.  PAGE 
2.  Section  from  Easthampstead  Plain  to  the  Thames  at  Marlow.  313 
3.  Section  from  near  Betcham  to  G-.  E.  R.  at  Brentwood  .  318 
1.  Section  in  sea-cliff  near  Stone,  Hampshire  .  326 
2.  Views  of  Palaeolithic  flake-knife,  same  locality .  328 
1.  Microscopic  section,  diorite  from  Malvern  Hills  .  405 
2.  Ho.  do.  do.  .  407 
3.  Do.  intermediate  rock  from  Malvern  Hills  ...  409 
4.  Do.  sericite-gneiss  do.  ...  411 
Geological  Map  of  neighbourhood  of  Corwen  . .  428 
1.  Section  in  Nant  Llechog .  430 
2.  Section  from  Corwen  Church  to  Old  Waterworks  .  430 
3.  Section  east  of  Ty-isaf  .  431 
4.  Diagrammatic  section  of  northern  slope  of  Berwyn  Hills  .  431 
5.  Sketch-map  of  part  of  Nant  Llechog  .  432 
6.  Section  west  of  Nant  Cawrddu  Fault .  433 
7.  Do.  do.  do.  .  434 
8.  Disposition  of  Corwen  Grit  at  Nant  Cawrddu  Fault  .  435 
1.  Section  along  mineral  railway,  N.E.  of  Llyn  Padarn  .  445 
2.  Map  of  country  from  Llyn  Padarn  to  Y  Bigl  .  447 
3.  Y  Bigl :  grits  overlying  Pale  Slates  .  448 
4.  Horizontal  bedded  grits  over  Pale  Slates  .  449 
5.  Supposed  section  across  Y  Bigl  . 449 
6.  Section  along  Llanberis  Railway  . 451 
7.  Map  of  country  S.W.  of  Llyn  Padarn  . 45*2 
8.  Section  opposite  Glyn  Padarn  . • .  453 
9.  Section  across  grits,  Glyn  Padarn  .  454 
10.  Slate  quarry  at  Cefn  Du  .  456 
11.  Intrusive  bands  of  lamprophyre  (?)  in  Llyn  Padarn  felsite .  457 
12.  Horizontal  section  along  Moel  Tryfaen  adit  .  461 
13.  Crags  of  grit  on  Moel  Tryfaen  .  462 
Geological  Map  of  a  portion  of  East  Lincolnshire  .  474 
