64 PROCEEDINGS OF THE GEOLOGICAL SOCIETY. 
April 23, 1884. 
Prof. T. G. Bonnny, D.Sc., F.R.S., President, in the Chair. 
The Rev. Frank Ballard, M.A., Euston Grove, Birkenhead, was 
elected a Fellow of the Society. 
The List of Donations to the Library was read. 
The following communications were read :— 
1. “On the Geology of the Country traversed by the Canadian 
Pacific Railway, from Lake Superior to the Rocky Mountains.” By 
Principal J. W. Dawson, C.M.G., F.R.S., F.G.S. 
2. “On the Dyas (Permian) and Trias of Central Europe, and 
the true divisional line of these two formations.” By the Rey. 
A. Irving, B.Se., B.A., F.G.S. 
The following objects were exhibited :— 
Rock-specimens of the older formations (Laurentian) of Assouan, 
Egypt, exhibited by Principal J. W. Dawson, C.M.G., F.RS., 
F.G.S. 
Rock-specimens, exhibited by the Rev. A. Irving, B.Sc., B.A., 
F.G.S., in illustration of his paper. 
A Photograph of Stylonurus eaxcelsior, Hall, from the Catskills or 
Old Red Sandstone of the State of New York, exhibited by Dr. H. 
Woodward, F.R.S., F.G.S8. 
A Map of the Earthquake-wave of the 22nd April, in England, 
exhibited by W. Topley, Esq., F.G.S. 
May 14, 1884. 
Prof. T. G. Bonney, D.Sc., F.R.S., President, in the Chair. : 
John Ruscoe, Esq., Prospect House, Hyde, near Manchester, was 
elected a Fellow of the Society. 
The List of Donations to the Library was read. 
The following communications were read :— 
1. “On the Pre-Cambrian Rocks of Pembrokeshire, with especial 
reference to the St. Davids District.” By Dr. Henry Hicks, F.G.S., 
with an Appendix by Thomas Davies, Esq., F.G.S. 
