GENERAL INDEX. 
Pre-Cambrian rocks of Caernaryon, 
further observations on the, by Prof. 
T. McK. Hughes, 682. 
of Shropshire, Mr. C. Cal- 
laway on the: Part I., 643. 
Primrose Hill, characters of the rocks 
of, 652. 
——.,, gneisses of, 665. 
, section through, 650. 
Prioniodus abbreviatus, 359. 
acicularis, 360. 
? alatus, 361. 
—- angulatus, 360. 
armatus, 360. 
clavatus, 360. 
elegans, 358. 
erraticus, 359. 
Ffurcatus, 358. 
Panderi, 361. 
—— ? politus, 358. 
- radicans, 356. 
spicatus, 361. 
Pseudolacuna macroptera, 85. 
Puerto de Tablas, syenite from, 590. 
Purbeck Shales, Prof. R. Owen on 
the association of dwarf crocodiles 
with the diminutive mammals of 
the, 148. 
Purley Park, near Atherstone, diorite 
containing augite and olivine from, 
639 
Purus river, section at Maniwa, on 
the, 771; in the Berury Cliff, 772. 
Quacipati, gneiss from, 588. 
Quantocks, traverse across the, to 
Cannington Park, 544. 
Quartz-felsite, Prof.T.G. Bonney on 
the, and associated rocks at the base 
of the Cambrian series in North- 
western Caernarvonshire, 309. 
Quartzites of Shropshire, 666. 
Queensland, North, Mr. R. Etheridge, 
jun., on a collection of fossils from 
the Bowen-river coal-field and the 
limestone of the Fanning river, 
Proc. 101. 
,—— Prof. Nicholson and Mr. 
R. Etheridge, jun., on Paleozoic 
corals from, Proc. 107. 
Radiating boulder-dispersions, causes 
of, 429. 
Ragleth, rock from, 668. 
Hill, character of the rocks 
of, 659. 
Reade, T. M., Esq., on a section of 
Boulder-clay and gravels near Bally- 
galley Head, and an inquiry as to 
the proper classification of the Irish 
drift, 679. 
831 
Recent and Pleistocene deposits of 
North Gippsland, 34. 
“Reef” at Pernambuco, 239. 
Reid, Clement, Esq., on the glacial 
deposits of Cromer, Proc. 105. 
Reptilia, Endothiodont, Prof.R. Owen 
on the, with evidence of the species 
Endothiodon uniseries, Ow., 557. 
——, Maltese fossil, 527. 
Rhinoceros, leptorhine, classificatory 
value of, 730. 
Rhinoceros leptorhinus, 730. 
Rhymney and Pen-y-lan, Cardiff, Mr. 
W.J.Sollas on the Silurian district 
of, 475. 
Bridge, section from, to Coed- 
y-cwarel, 478. 
hills, Silurian of, 477. 
quarry, fossils from the Cfeno- 
donta-bed at, 482; section exposed 
at, 481. 
railway, section along the, 
from the Starting House, Heath 
Farm, to the edge of the southern 
escarpment of the Welsh coal-basin, 
490. 
Rhyolites of Shropshire, 663, 666. 
Ribeirés, Brazil, fossiliferous Tertiary 
cliffs at, 78. 
River Lune, mica-trap dyke in, south- 
west of Sedbergh, 174. 
Roeh Castle, Arvonian rocks from, 291. 
Rock-basins, Mr. J. D. Kendall on the 
formation of, Proc. 104. 
Rock-forming materials, 332. 
Rocks, classification of component 
parts of, 331. 
of dissimilar origin, Mr. F. 
Rutley on community of structure 
in, 327. 
Roeness, section through, 788. 
Ruddy, Mr. Thomas, on the upper 
part of the Cambrian (Sedgwick) 
and hase of the Silurian in North 
Wales, 200. 
Ruthin, section across Silurian rocks 
west of, 695. 
Rutley, F., Hsq., on community of 
strueture in rocks of dissimilar 
origin, 327. 
, on perlitic and spherulitic 
structures in the lavas of the Glyder 
Fawr, North Wales, 508. 
St. David’s, Arvonian rocks at, 292. 
—— Head, sketch map of, 285. 
St. Martin dAudouyille, section 
through, 249. 
St. Paul, Brazil, Tertiary cliffs near, 
es Use 
Salrock, section through, 714. 
