GENERAL INDEX. 
Nevada, hot springs in, 391. 
New Brunswick, Pole Hill, limestone 
of, 63. 
Niagara formation, sponges from the, 
51. 
and Clinton groups, annelid-jaws 
from the, 381. 
Nicholson, Prof. H. A., award of the 
Lyell Geological Fund to, Proc. 36. 
, and Mr. R. Etheridge, jun., on 
Palxozoic Corals from Northern 
‘Queensland, with observations on 
the genus Stenopora, Proc. 107. 
Normandy, Mr. W. A. E. Ussher on 
the Triassic rocks of, and their en- 
vironments, 245, 
Northern boulders, extent of area 
strewn with, 430. 
North Gippsland, granites of, 16. 
Northmayine, section across, from 
Ockren Head to Skea Ness, 788. 
Northumberland, Mr. W. P. Sladen 
on a new species of Agelacrinitidse 
from the Carboniferous of, 744. 
Northwich, section of New Victoria 
Salt Company’s shaft at, 141. 
Norwich, Mr. H. B. Woodward on a 
disturbance of the Chalk at Trowse, 
near, Proc. 106. 
Notidanus primigenius, 528. 
Noyaculite, 159. 
Oaktrow, wnisynclinal curve in Hang- 
man beds, near, 337. 
Oare, Withycombe Farm near, sec- 
tion north and south through, 
540. 
Ockren Head, section from, to Skea 
Ness, 788. 
Octeyille, section through, 249. 
Odostomia, sp., 86. 
(Hnonites amplus, 382. 
? carinatus, 377. 
compactus, 384. 
cuneatus, 377. 
curvidens, 376. 
fragilis, 382. 
inequalis, 376. 
? infrequens, 382. 
rostratus, 376. 
serratus, 376. 
Old Red Sandstone, relations of the 
Cardiff Silurians to the, 489. 
, Glengariff series, and 
Carboniferous, plan and_ sections 
showing the relations of the, in the 
S.W. of Ireland, 713. 
, relations of the, to 
the Dingle beds, &c., 719. 
of Shetland, vertical 
section of, 784. 
Q.J.G.S. No. 140. 
829 
Olivine and augite, diorite contain- 
ing, 639. 
Omeo, section and ground-plan of 
argillaceous and crystalline schists 
near, 15. 
plains, 12. 
Ornithopsis, 752. 
Oroseris, 95. 
haldonensis, 92. 
Orr’s Creek, Dargo Flat, section show- 
ing contact of granite and Silurian 
at, 18. 
Orthonotus navicula, 496. 
Ostracodous genus Batrdia, Prof. T. 
R. Jones and J. W. Kirkby, Esq., on 
the species of the, from the Carbo- 
niferous strata of Great Britain, 
565. 
Otobates subeonvexus, 527, 
Owen, Prof. R., on the association of 
dwarf Crocodiles (Nannosuchus and 
Theriosuchus pusillus, e. g.) with 
the diminutive mammals of the 
Purbeck Shales, 148. 
, on fragmentary indications of a 
huge kind of Theriodont reptile 
(Titanosuchus ferox, Ow.) from 
Beaufort West, Gouph Tract, Cape 
of Good Hope, 189. 
, on the Hndothiodont Reptilia, 
with evidence of the species Hndo- 
thiodon uniseries, Ow., 557. 
Owenalondrig river, section through, 
704. 
Pachydon tenua, 83. 
Pachytheca spherica, 499. 
Paleozoic districts of West Somerset, 
Messrs. Champernowne and Ussher 
on the structure of the, 532. 
—— fossils associated with serpen- 
tine and other hydrous silicates, 
58. 
, Dr. J. W. Dawson on, 
mineralized with silicates, 48. 
rocks, Lower, of North Gipps- 
land, 8. 
, Upper, of North Gipps- 
land, 20. 
Pale Hill, generalized section from, 
to Bala Lake, 201. 
Paludestrina, 86. 
Pandy, section through, 478. 
Pare y gors, section through, 686. 
Parkmore-point Conglomerate, 705. 
Parlour Cave, ground-plan and sec- 
tions of the, 725-728. 
Peach, B. N., Esq., and John Horne, 
Hsq., on the glaciation of the Shet- 
land Isles, 778. 
Pebas, Tertiary cliffs at, 81. 
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