872 
some postglacial ravines in the 
chalk wolds of, 160. 
Littorina? globosa, 320. 
Lituola depressa, 765. ; 
Llanddeiniolen, section from N.W. of, 
to Llyn Padarn, 198. 
Llanerchymedd, rock-specimen from 
east of, 202. 
Llanfaelog, conglomerate of, 191; 
section through, 193; rock-speci- 
mens from near, 200, 201; section 
from Tywyn to, 573, 
Llanfihangel conglomerate, 572. 
Llanvirn beds, Abereiddy, Pembroke- 
shire, Mr. T. Roberts on a new 
species of Conoceras from the, 636. 
Llechyn-farwy, section from, to 
Cwaen-hen, 575. 
Llyn-faelog, conglomerates from 201, 
202. 
Llyn Padarn, section from N.W. of 
Llanddeiniolen to, 198. 
Llys Dinorwig, section through, 198. 
London, Prof. Judd, on the Jurassic 
deposits which underlie, 724. 
, water-supply of, 756; possible 
existence of coal under, 758. 
Lophodus angularis, 628. 
bifurcatus, 628. 
—— conicus, 627. 
— levis, 627. 
—— reticulatus, 626. 
serratus, 627. 
Lophophyllum, sp., 499. 
Louth, plan of the valleys near, 162. 
Low-level boulder-clay of Lancashire, 
rock-fragments from the south of 
Scotland imbedded in the, Mr. T. 
Mellard Reade on, 270. 
Lower New Red Sandstone of Penrith, 
Mr. G. V. Smith on the discovery of 
footprints of vertebrate animals in 
the, 479. 
Palzozoic rocks of Anglesey, 
Dr. Callaway on the, 567. 
Lyell Geological Fund, award of the, 
to Prof. Charles Lapworth, Proc. 34. 
Medal, award of the, to Dr. J. 
Leidy, Proc. 33. 
Macrocypris Bradiana, 766. 
Madagascar, Dr. Parker on the 
geology and mineralogy of, Proc. 69. 
Madreporaria, Mr. Tomes on the, of 
the conglomerates of the South 
Wales Lias, 353. 
, Mr. Tomes on the, of the White 
Lias of the middle and western 
counties of England, 353. 
. Oolitic, of the Boulonnais, Mr. 
Tomes on the, 698. 
GENERAL INDEX, 
Maggiora, section under, 860. 
Magnetite in the Whin-Sill rocks, 
650 
Maps: of the South-Devon coast from 
Toreross to Hope Cove, 2; of 
the country near Swaby, 161; of 
the valleys near Louth, 162; of 
the valley near Haitceliffe, 163; of 
miniature delta, Rake reservoir, 
263; of the St. David’s district, 
295; of Ogof Golchfa, 298; of 
Ogof-Llesugn, 300; of country tra- 
versed by the Canadian Pacific 
Railway, 385; of the Porthalla 
district, 460; of broken ground 
near Porthalla Cove, 465; showing 
recent encroachments of the sea at 
Westward Ho!, 479; of coast south 
of Nun’s Chapel, 526; of Allan 
valley at Porth-clais, 532; of Di- 
metian broken up by a dyke on the 
shore at Ogof-llesugn, 539; of the 
Treiorwerth syncline, 572; of Ty- 
wyn ridge, 577; of the northern 
parts of the high-level coal-fields 
of South Africa, 658; of the 
southern end of the Lago d’Orta, 
856. 
Marginulina raphanus, 769. 
Mastopora, 834. 
Medicine Hat, South Saskatchewan 
river, section near, 381. 
Meerane, section of quarries near, 
391. 
Megalichthys, Prof. Miall on a new 
specimen of, from the Yorkshire 
coalfield, 347. 
Fiibberti, 347, 633. 
Melio, Rev. J. M.,on a specimen of 
iron amianthus, Proce. 65. 
Melmerby, section through, 479. 
Menai Straits, conglomerates from 
shores of, 204. 
Metcalfe, Mr. A. T., on further dis- 
coveries of vertebrate remains in the 
Triassic strata of the south coast of 
Devonshire, between Budleigh Sal- 
terton and Sidmouth, 257. 
Meux’s Well, Great Oolite strata in, 
744. 
Miall, Prof. L. C., on a new specimen 
of Megalichthys from the Yorkshire 
coalfield, 347. 
Mica-chist, microscopic section of, 
from the Bolt Head, 15. 
Mica-trap of Guernsey, 426. 
Micrabacia coronula. Goldfuss, sp., 
Prof. Duncan on, 561. 
Microscopical characters of the Whin 
Sill, Mr. Teall on the, 640. 
Microscopic structure of some rocks 
EE — 
