GENERAL INDEX. 
Syringostroma, definition of, 56. 
Submergence, glacial, tabular view of 
the successive stages of the, 453. 
“Sulphur bank” of Lake County, 
California, 390. 
Tabberabbera, section across. the 
Mitchell river near, 25. 
Tablas, Puerto de, syenite from, 590. 
Tahilla river, plan and section in the, 
near Sneem, showing the junction 
of the Carboniferous and Glengariff 
beds, 709. 
Talcite of Normandy, 262. 
Tambo river, section and ground- 
plan of aphanitic dyke at Sandy 
Creek, on the, 14. 
Teesdale, Mr. C. TI. Clough on the 
Whin Sill of, as an assimilator of 
the surrounding beds, Proc. 100. 
Tertiary deposits, Mr. C. B. Brown 
on the, on the Solim6es and Javary 
rivers, in Brazil, 76. 
rocks of North Gippsland, 
3d. 
Thames brickearths, 417. 
Thamnastrea belgica, 92. 
Ramsayi, 92. 
Theriodont reptile, Prof. R. Owen on 
fragmentary indications of a huge 
kind of ( Titanosuchus ferox, Ow.), 
from Beaufort West, Gouph Tract, 
Cape of Good Hope, 189. 
Theriosuchus pusillus, 148. 
Thorness and Gurnet Bays, general 
section at, 343. 
Thracia ?, 84. 
Timberscombe, section through, 554. 
Tin-deposits of the Malayan penin- 
sula, Mr. P. Doyle on some, 229. 
Titanosuchus ferox, 189. 
Tone valley, description of the, 542. 
, section from Ashbrittle to Clat- 
worthy, in the, 540. 
Toronto, annelid-jaws from the Cin- 
cinnati or Hudson-river group at, 
oT4. 
Totnes, Mr. A. Champernowne on 
some Deyonian Stromatoporidz 
from Dartington near, 67. 
Treffgarn (Aryonian) rocks on Fish- 
guard road, 292. 
Bridge, section from near, to 
the north of Ford Bridge, on the 
road from Haverfordwest to Fish- 
guard, 288. 
Treglemais, Arvonian rocks 
Bryn, south-west of, 294. 
Triassic conglomerate, Mr. W. J. 
Sollas on some three-toed footprints 
from the, of South Wales, 511. 
near 
8390 
Triassic rocks of Normandy, Mr. W. 
A. HE. Ussher on the, and their envi- 
ronments, 245, 
Trochoseris constricta, 93. 
Morrisi, 94. 
Trochosmilia varians, 90. 
Trow Hill, section through, 540. 
Trowse, near Norwich, Mr. H. B. 
Woodward on a disturbance of the 
chalk at, Proc. 106. 
Tubbut, 12. 
Twt Hill, Caernarvon, and Port Din- 
orwig, Prof. T. G. Bonney and Mr. 
F. T. 8. Houghton on the meta- 
morphie series between, 321. 
, section of north-east end 
of Field-quarry, 685. 
, section of pit to north- 
east of, 321. 
-, Caernarvon, section north- 
of, 683. 
beds, 682. 
Ty-Croes, microscopic structure of 
rock from near, 307, 308. 
Tygwyn, section between Yscuborwen 
and, Caernarvon, 691. 
Ty-mawr, Rhos Hirwain, microscopic 
structure of rock from near, 306. 
, section through, 686. 
Ty-y-cyw, section from, to Coed-y- 
gores, 477. 
Uldale Head, mica-trap dyke at, 175. 
Unio, 84. 
United States, Canada and the, Mr 
G. J. Hinde on Conodonts from the 
Chazy aud Cincinnati group of the 
Cambro-Silurian and from the 
Hamilton and Genesee-shale divi- 
sions of the Devonian in, 351. 
Upata, quartzite from near, 
quartz-diorite from, 589. 
Ussher, W. A. H., Hsq., on the Pleisto- 
cene history of Cornwall, Proc. 6. 
, Pleistocene notes on the Cornish 
coast near Padstow, Proc. 5. 
, on the Triassic rocks of Nor- 
mandy and their environments, 
245. 
, and Champernowne, A., Esq., 
on the structure of the Palzozoie 
districts of West Somerset, 532. 
589 ; 
Valognes, grayel-and-sand pit west 
of, 252; section from, to Crasville, 
249; section from, to Pont-a-la- 
Vieille, 252; section from, towards 
Pont-de-Six, 252. 
Veetisaurus valdensis, Mr. J. W. 
Hulke on, a new Wealden Dino- 
saur, 421. 
