Notices of Memoirs—British Association. 467 
Hofsjikull, Baldjikull, pestareykir, Fremri-Ndmar, Hverfjall, Sand- 
fellsjokull, HerSubreiS, Skaptdrjokull, Sélheimajékull, BreiSamerkr- 
jokull, porsmérk, Torfajokull, Mosfell, Helgafell. 
The following eruptions are referred to wrong dates: Hvkla, 
1004, 1029, 1118, 1374, 1583, 1625, 1772; Katla, 1717, 1727; 
Trélladyngjur, 1475 ; HerSubretv%, 13841, 1510; SiSajokull, 1728 ; 
Orefajokull, 1720; an eruption in BreiSifjordr, by Snefellsnes, 1219, 
and 1345; Hverfjall, 1748-1752; pingvallahraun, 1587; Porsmérk, 
1800-1350. 
WOTICHS OF MEMOTRS. 
—_~e——_ 
I.—Brittsh AssocraTIoN FOR THE ADVANCEMENT OF SCIENCE, 
Firtiera Meerine, Swansea, Aucust 267TH, 1880. 
Tirtes oF Parers Reap in Section C. (GEoLoeyY). 
Opening Address by H. C. Sorsy, LL.D., F.R.S., President.—‘‘ On 
the Comparative Structure of Artificial Slags and Eruptive 
Rocks.” (See p. 468.) 
C. E. De Rance, F.G.S.—Report on the Circulation of the Under- 
ground Waters in the Permian, New Red Sandstone, and 
Jurassic Formations of England: and on the quality and 
character of the water supplied to towns and districts from 
those formations. 
A. R. Hunt, F.G.S.—Notes on the Submarine Geology of the English 
Channel off the Coast of South Devon. 
Prof. W. Boyd-Dawkins, M.A., F.R.S.—On the Action of Carbonis 
Acid on Limestone. 
F. C. J. Spurrell, F.G.S.—On the Site of a Palxolithic Implement 
Manufactory, at Crayford, Kent. 
Prof. J. P. O'Reilly. On the Relations to be Established between 
Coast-line-Directions represented by Great Circles on the 
Globe, and the localities marked by Earthquakes in Europe. 
G. H. Kinahan, WR.L.A., Pres. Geol. Soc. Ireland.—On the’ Hiatus 
said to have been found in the rocks of West Cork. 
W. H. Dalton, F.G.S.—Note on the Range of the Lower Tertiaries 
of East Suffolk. 
W. Pengelly, F.R.S., F.G.S.—Sixteenth Report of the Committee 
appointed to explore Kent’s Cavern, Devonshire. 
Prof. A. Leith Adams, F.R.S.—Report on the Exploration of Caves 
in the South of Ireland. 
Prof. H. G. Seeley, F.R.S.—Report on the Viviparous Nature of the 
Ichthyosauria. 
G. R. Vine.—Report on the Carboniferous Polyzoa. 
W. Whitaker, B.A. Lond., F.G.S.— Report on the “ Geological 
Record.” 
Prof. W. J. Sollas, M.A., F.G.S.—On_ the Island of Torghatten, 
Norway; and on the Influence of Joints on Denudation. 
Prof. W. J. Sollas, M.A., F.G.S.—On the Contortion of a Quartz- 
vein in Mica-schist from Bodo, Norway. 
