Vol.  49.] 
GENERAL  INDEX. 
593 
Posidonomya-shales  (South  Tyrol), 
20,  36. 
‘  Post-Llanberis  ’  Beds,  444  et  seqq. 
Post!  eth  waite,  J.,  on  Diabase  of  Robin 
Hood,  near  Bassenthwaite,  531. 
Potstone  Point  (Lizard),  200  et  seqq. 
Power,  F.  Danvers,  on  Pambula  Gold- 
deposits  (New  South  Wales),  233. 
Prags  (South  Tyrol),  14,  15,  36,  58. 
Pre-Cambrian  in  North  Wales,  441 
et  seqq. 
Prelongei  (South  Tyrol),  13,  18  & 
Map  A,  60  et  seqq. ;  section,  19 
Presidential  address,  Proc.  46-142. 
Pressure-metamorphism,  rocks  illus¬ 
trating  effects  of,  94. 
Primitia  centralis ,  291  ;  P.  elongata , 
var.  nnda  nov.,  298;  P.  girvanensis, 
n.  sp.,  298  ;  P.  Grayce ,  n.  sp.,  299  ; 
P.  Krausei,  n.  sp.,  298;  P.  mun- 
dula,  291  ;  P.  mundula ,  var.  Jim- 
briata  nov.,  299  ;  P.  mundula ,  var. 
Kloedeniani  nov.,  299;  P.  mundula , 
var.  longa  nov.,  291  ;  P.  mundula , 
var .  product  a  nov.,  291 ;  P.  TJlrich- 
iana,  n.  sp.,  300. 
Priodontognathus  Pkillipsii,  286. 
Pseudo-bedding  in  Dartmoor  granite, 
394,  397. 
Pseudocrystallites  in  Lleyn  variolite, 
158. 
Parley  (West  Malvern),  Wenlock 
Limestone  at,  241. 
Purple  Slates  (Caernarvon),  444  et 
seqq. 
Pusgill  (Westmoreland),  290  et  seqq. 
Pusterthal  (South  Tyrol),  13,  14, 
58. 
Pyromerides,  156,  158. 
Pyrophyllite-schist  of  Pambula  (New 
South  Wales),  233  et  seqq. 
Quartz,  in  N.E.  Forfar  rocks,  342.' 
‘  Quartz  sillimanitise,’  338,  344,  345. 
Quartz-  and  Quartzite-pebbles,  in 
gravels  south  of  Thames,  308  et 
seqq. ;  in  gravels  south  of  Reading, 
320. 
Quartz-felsite  fragments,  re-fused  by 
basalt,  177. 
Quartz-felsites  in  Arran,  541  et  seqq. 
1  Quartz-felspar,’  in  Malvern  schists, 
407  et  seqq. 
Quartzites  in  North  Esk  Valley,  351  ; 
green-mica  quartzite  in  N.E.  Forfar, 
348,  350  et  seqq. ;  gneissoid  quartz¬ 
ite,  415,  416. 
Radiolarian  chert  from  Mullion 
Island,  211  ;  radiolarian  rock  from 
Fanny  Bay,  Port  Darwin  (South 
Australia),  221  ;  radiolarian  ooze 
(Pres,  addr.),  Proc.  102  et  seqq. 
Ragged  Stone  Hill  (Malvern),  403 
413,  416,  418. 
‘  Ragstones  ’  of  Leckhampton  Hill, 
511. 
Raibl  strata,  3  et  seqq.,  39  et  seqq.,  60 
et  seqq. 
Raised  beaches  in  Jersey,  523. 
Raisin,  Catherine  A.,  Lyell-fund 
award  to,  Proc.  41  ;  on  Variolite  of 
Lleyn  and  associated  Volcanic 
Rocks,  145. 
Raub  Hole  (Malacca),  87. 
Rauchwacke  in  Lepontine  Alps,  90  et 
seqq. 
Reading,  gravels  near,  310 ;  plateau- 
gravel  south  of,  320. 
Recent  work  of  Geological  Society 
(Pres,  addr.),  Proc.  65. 
Red  Chalk,  in  Lincolnshire,  477. 
Red  Clay,  deep-sea  deposits  (Pres, 
addr.),  Proc.  105. 
Red  Rock  of  Hunstanton  (Pres, 
addr),  Proc.  111  et  seqq. 
Redbole  Lane  (Dorset),  section,  496. 
Reed,  Wm.,  obituary  of,  Proc.  58. 
Re-fusicn  due  to  relief  of  pressure, 
393  ;  of  quartz-felsite  by  basalt,  177. 
‘  Regen  erirte  Tuffe  ’  in  Alpine  Trias, 37. 
Reid,  Clement,  on  Artificial  Calca¬ 
reous  Encrustations,  Proc.  143  ;  on  a 
Fossiliferous  Pleistocene  Deposit  at 
Stone  (Hants),  325. 
Reports,  annual,  Proc.  13  etseqq. 
Residues,  insoluble,  in  Wenlock  Lime¬ 
stone,  245. 
Rhsetic  geology  (Pres,  addr.),  Proc . 
133- 
Rhiw-wen  Grit,  444  et  seqq. 
‘  Rhomben-porphyr  ’  at  Cromer,  115. 
Rhynchonella  ringens-horizon,  490 
491,  501. 
Rhyolite,  in  Thames  Valley  gravels, 
309  314 
Richthofen  Riff  (South  Tyrol),  20,  74. 
Richthofen’s  succession  (Alpine  Trias), 
11  25 
Riffelberg  (Switzerland),  99. 
‘  Roach,’  Lower  Cretaceous,  468  et 
seqq. 
‘  Road  Stone  5  (Inf.  Oolite),  507. 
Roberts,  T.  (the  late),  on  Geology  of 
District  west  of  Caermarthen,  166. 
Robeston  Wathen  Limestones  (Caer¬ 
marthen),  169. 
Robin  Hood  (Bassenthwaite)  diabase, 
531. 
Roces  Alp  (South  Tyrol),  67,  68  ;  sec¬ 
tion,  29. 
‘  Rockery  Bed  ’  (Inf.  Oolite),  512. 
