Notices of Memoirs—The British Association. 457 
Dr. C. Callaway.—Further Notes on the Origin of the Crystalline 
Schists of Malvern and Anglesey. 
Dr. C. Callaway.—Sketch of the Geology of the Crystalline Axis of 
the Malvern Hills. 
Dr. Persifor Frazer.—Archean Characters of the rocks of the 
Nucleal Ranges of the Antilles. 
Dr. Persifor Frazer.—Oligoclase and Quartz with curious Optical 
Properties. 
Dr. H. W. Crosskey.—Report on Erratic Blocks. 
Dr. H. W. Crosskey—On a High Level Boulder-clay in the Midlands. 
W. Whitaker.—On the Extension of the Bath Oolite under London, 
as shown by a deep boring at Streatham. 
E. Wethered.—On the Lower Carboniferous Rocks of Gloucestershire. 
fev. H. H. Winwood.—On the Tytherington Section to be seen on 
Saturday’s Excursion. 
Handel Cossham, M.P.—The Northern Section of the Bristol Coal 
Field. 
W. A. E. Ussher.—Some points of interest in the Geology of Somerset. 
Prof. O. C. Marsh.—Comparison of the Principal Forms of Dinosauria 
of Hurope and America. 
H. F. Osborn.—The Evolution of the Mammalian Molar teeth to and 
from the tritubercular type. 
Professor A. Gaudry.—On the great size of some Fossil Mammals. 
fev. Dr. A. Irving.—Note on the Relation of the Percentage of 
Carbonic Acid in the Atmosphere to the Life and Growth of 
Plants. 
James Spencer.—On the Occurrence of a Boulder of Granitoid 
Gneiss or Gneissoid Granite in the Halifax Hard Bed Coal. 
Chev. R. E. Reynolds.—The Caverns of Luray. 
W. Topley.—Report on the rate of Erosion of the Sea Coasts of 
England and Wales. 
Dr. Tempest Anderson.—The Volcanoes of the Two Sicilies. (p. 473.) 
Dr. H. J. Johnston- Lavis.—Notes on the recent Volcanic Eruption in 
the Island of Vulcano. 
Dr. H. J. Johnston-Lavis.—Report on the Volcanic Phenomena of 
Vesuvius. 
Dr. H. J. Johnston-Lavis.—On the Conservation of Heat in Volcanic 
Chimneys. 
Dr. H. J. Johnston-Lavis.—Note on a Mass containing Metallic Iron 
found on Vesuvius. 
Dr. H. J. Johnston-Lavis.—Note on the Occurrence of Leucite at 
Etna. 
Prof. E. W. Claypole.—Note on Some Recent Investigations into the 
Condition of the Interior of the Earth. 
J. Logan Lobley.—On the Causes of Volcanic Action. 
Professor John Milne.—Report on the Volcanic Phenomena of Japan. 
O. H. Howarth—On the recent Volcanic Structure of the Azorean 
Archipelago. (See infra p. 472.) 
Professor G. A. Lebour.—Report of the Earth-Tremor Committee. 
W. A. E. Ussher.—The Watcombe Terra-Cotta Clay. 
