GENERAL INDEX, 877 
Smith, Mr. G. V., on further disco- 
veries of the footprints of vertebrate 
animals in the Lower New Red 
Sandstone of Penrith, 479. 
South Africa, Mr. Penning on the 
high-level coal-fields of, 658. 
, Sir R. Owen on a Triassic 
mammal from, 146. 
South-Devon coast, foliated series of 
the, 13; physical history of the, 
23 
alte 
, Prof. T. G. Bonney on the 
geology of the, 1. 
South-Wales Lias, Mr. Tomes on the 
Madreporaria of the conglomerates 
at the base of the, 353. 
Spearing, Mr. H. G. on the recent 
encroachments of the sea at West- 
ward Ho!, North Devon, 474. 
Spherospongia, 816. 
tessellata, 840. 
Spirillina crassa, 770. 
helvetica, 770. 
Spongia paradoxica, Prof. T. M‘K. 
Hughes on the so-called, from the 
red and white chalk of Hun- 
stanton, 273. 
Stanley, Mr. W. F., on the assumed 
amount of energy developed by the 
secular cooling of the earth as 
stated in two papers by the late 
Robert Mallet, M.A., F.R.S., in the 
‘ Philosophical Transactions,’ Proc. 
Ts 
Start Point, from Torcross to the, 3. 
Steneosaurus, skull of, 158. 
Stiffe, Capt. A. W., on fossil wood 
from the Prince’s Dock, Bombay, 
Proc. 4. 
Stock, W. F. K., Esq., on the action 
of hydrochloric acid on the rock of 
the Cockfield and Armathwaite 
dyke, 224. 
Stomatopora dichotoma, 786. 
granulata, var. minor, 688. 
Waltoni, 787. 
Strain, Mr. F. Rutley on, in connexion 
with crystallization and the develop- 
ment of perlitic structure, 340. 
Strambinello, section across the Chiu- 
sella near, 862. 
Streptelasma Romeri, a new coral from 
the Wenlock Shale, Prof. P. M. 
Dunean on, 167. 
Structure and classificatory position of 
Micrabacia coronula, Goldfuss, sp., 
Prof. P. M. Duncan on the, 561. 
, perlitic, Mr. F. Rutley on strain 
in connexion with crystallization 
and the development of, 340. 
Stylastrea dendroidea, 371. 
Stylastrzea insignis, 371. 
Martini, 370. 
— minuta, 371. 
parasitica, 371. 
—— plana, 370. 
reptans, 370. 
sinemuriensis, 370. 
Stylina, sp., 708, 716. 
Subapennine shells, Dr. J. Gwyn 
. ae on Brocchi’s collection of, 
Supercytis ? digitata, 692. 
Swaby, plan of the country near, 161. 
Syenites of Guernsey, 407. 
Talcose slates of Porthalla, 464. 
Tan-y-bryn, section from, by Llan- 
aoee to Ty-croes railway-station, 
Teall, Mr. J. J. H., petrological notes 
on some North-of-England dykes, 
209. 
, on the chemical and microsco- 
ical characters of the Whin Sill, 
40. 
Temperature, underground, observed 
uy Ape Richmond well-boring, 728, 
Terebellaria increscens, 798. 
Terrestrial and freshwater animals, 
Prof. T. M‘K. Hughes on some 
tracks of, 178. 
Tertiary formations at the south base 
of the Alps in North Italy, Lieut.- 
Col. Godwin-Austen on some, 855. 
strata found in the Richmond 
well-boring, 730. 
Testudo (recent), pelvis of, Proc. 56. 
Tetragonis Danbyi, 838. 
—— eifeliensis, 838. 
parvipora, 838. 
suleata, 838. 
Thecosmilia Brodiei, 366. 
confluens, 364. 
dentata, 366. 
— Dunecani, 366. 
— Hornesii, 364. 
—— ? latimeandroidea, 720. 
major, 367. 
mammosa, 714. 
— mirabilis, 365. 
rugosa, 364. 
serialis, 365. 
— suttonensis, 365. 
Terquemi, 366. 
Thuringia, generalized section on 
western side of, 395. 
eo es valley, section across, 
12. 
Titaniferous iron-ore of the Whin 
Sill, 650. 
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