450 Notices of Memoirs — British Association — 



Mr. C. Cams-Wilson. — Copper in the Sandstones of Exmouth. 



Dr. A. S. Cox Sf Professor 0. T. Jones. — On various occurrences of 



Pillow-lavas in North and South Wales. 

 Br. A. H. Cox. — Note on the Igneous Rocks of Ordovician Age. 

 Professor W. S. Botdton. — On a new form of Rock-cutting Machine. 

 Mr. C. H. Cunnington. — The Carboniferous Limestone at the Head 



of the Vale of Neath, South Wales. 

 Report of the Committee on Erratic Blocks of the British Isles. 

 Report of the Committee ou the Investigation of the Igneous and 



Associated Rocks of Glensaul and Lough Nafooey Areas, Co. Galway. 

 Report of the Committee on preparing a List of Characteristic Fossils. 

 Report of the Committee on the further Exploration of the Upper Old 



Red Sandstone of Dura Den. 

 Report of the Committee on the Geology of Ramsey Island, Pembroke- 

 shire. 

 Report of the Committee on the Old Red Sandstone Rocks of 



Kiltorcan, Ireland. 

 Report of the Committee on the Collection, Preservation, and 



Systematic Registration of Photographs of Geological Interest. 

 Report of the Committee to investigate the Microscopical and Chemical 



Composition of Charnwood Rocks. 



Section A. — Mathematical and Physical Science. 

 Rev. A. L. Cortie, S.J. — Solar and Terrestrial Magnetic Disturbances. 

 Rev. H. V. Gill, S.J. — The Distribution of Earthquakes in Space 



and Time. 

 Mr. J. J. Shaio. — Exhibition of a Seismograph. 



Section B. — Chemistry, 

 Professor JF. M. Thorntoji. — The Influence of the Pressure of Gas on 



the Inflammability of Coal-dust in Air. 

 Br. R. V. Wheeler. — The Composition of Coal. 



Section D. — Zoology. 

 Presidential Address by Br. H. F. Gadow, F.R.S. 

 Professor J. Versluys. — The Carapace of the Chelom'a. 

 Professor W. K. Gregory. — Exhibition of a Fossil Skeleton of 



Notharctus sp., an American Eocene Lemui", with remarks on the 



Phylogeny of the Primates. 

 Br. R. Broom — A Mammal-like Milk Dentition in a Cynodont Reptile. 

 Mr. C. Forster Cooper. — Thaumastotherium osborni, a new Genus of 



Perissodactyles presenting some unusual features. 

 Mr. B. M. S. Watson. — The early Evolution of the Amphibia. 

 Rev. Br. A. Irving. — The Solutre type of Horse [Equus rohiistus) in 



Prehistoric Britain. 

 Professor R. J. Andersoti. — On the Skull and Teeth of Tarsiops. 

 Professor R. J. Anderson. — Some Points concerning the Extremities, 



chiefly in the Mammalia. 



Section E. — Geography. 

 Presidential Address bv Professor H. N. Bickson, B.Sc. 

 Br. C. A. mil.— The Exploration of Gaping Ghyll, Yorkshire. 

 Professor W. W. Watts, F.R. S. — Notes on the Geography of Shropshire. 



