dons. — 3 mars-5 mai 1879. 77 
J. G. Grenfell. — Notes on Carboniferous Encrinités from Clifton and from Lan- 
cashire, Not., 65. 
J. Gunn. — On the Influx and Stranding of Icebergs during the so-called Glacial 
Epoch, and a suggestion of the possible cause of the Oscillation of the Level of 
Land and Water to which that Influx may be due, Not., 66. 
W. J. Harrisson. — On the occurence of Rhætic Beds near Leicester, Not., 66. 
Hébert. — Undulations of the Chalk in the North of France, and their probable 
existencé under the straits of Dover, Not., 67. 
H. Hicks. — On some Areas where the Cambrian and Silurian Rocks occur as 
Conformable Sériés, Not., 69. 
J. Hopkinson. — On the Distribution of the Graptolites in the Lower Ludlow 
Rocks near Ludlow, Not., 69. 
T. M. K. Hughes. — Notes on the Classification of the Sedimentary Rocks, 
Not., 70. 
Edw. Hull. — Observations on the Discovery, by Count Àbbot Castracane, of Dia- 
tomaceæ in Coal from Lancashire and other places, Not., 74. 
G. A. Lebour. — On the Limits of the Yoredale Sériés in the North of England, 
Not., 74. 
Mackintosh. — On the Geological Meaning of the term « River-basin », and the 
desirability of substituting «Drainage-area», Not., 75; — On the Origin of two 
polished and sharpened Stones from Cefn Caves, 75 ; — Queries and Remarks 
relative to existing Ice-action in Greenland and the Alps, compared with former 
Ice-action in the N. W. of England and Wales, 76. 
J. M. Murtrie. — On certain Isolated Areas of Mountain-Limestone at Luckington 
and Yobster, Not., 77. 
Ch. Moore. — On the Age of the Durdham Down Deposit, yielding Thecodon- 
tosaurus etc., Not., 77. 
H. A.Nicholson.— On Azygoqraptus, a new Genus of Graptolites from the Skiddaw 
Slates, Not., 78; — On the Central Group of the Silurian sériés of the North of Eng¬ 
land, 78. 
Ch. Ricketts. — The Cause of the Glacial Period, with reference to the British 
Isles, Not., 79. 
W. Sanders. — On certain large Bones in Rhætic Beds at Aust Cliff, near Bristol, 
Not., 80. 
W. Stoddart. — On Auriferous Limestone at Walton, Not., 81. 
Tawney. — On the Age of the Cannington-Park Limestone, and its Relation to 
Coal-measures South ofthe Mendips, Not., 82. 
J. E. Taylor. — Discovery of a Submerged Forest in the Estuarv of the Orwell, 
Not., 82. 
J. Tennant. — Notes on the South-African Diamonds, Not., 82. 
W. A. Traill. — On the occurence of a Lower Boulder-Clay or Till with Shells, in 
the Counties ofDown and Mayo, Ireland, Not., 83 ; — On a Mass of Travertine or 
Calcareous Tuff, called « The Glen Rock », near Ballycastle, Co. Mayo, Ireland, 84. 
— Geological Magazine (The), 2 e sér., 2 e déc., t. Yï, n os 3-5; 
1879. 
Ch. Brongniart. — On a New Genus of Orthopterous Insects of the family Phas- 
midæ (Protophasma Dumasii), from the Upper Coal-measures of Commentry, dépt. 
Allier, France, 97. 
W. A. E. Ussher. — Post-Tertiary Geology of Cornwall (part. II—III), 102, 166, 
203. 
