xvi CONTENTS. 



Page 

 5 Exliibition of a small block of Magr^etically Polar Diorite. By Professor 



' Edward Hull, LL.D., F.R.S 677 



G. Note on the recent Exposures of Kellaway's Rock at Bedford. By A. 0. 



G. Cameron, F.G.S 577 



7. The Polyzoa of the Hunstanton Red Chalk. By G. R. Vine 578 



MONDAY, SEPTEMBER 16. 



1. The Devonian Rocks of Great Britain. By W. A. E. Ussher, F.G.S. ... 578 



2. Sketch of the Rise and Progress of the Cleveland and South Durham Salt 

 Industry, and on the Extension of the Durham Coal-field. By Professor 



G, A, Leboue, M.A., F.G.S., and John Marlei 580 



a. Fifteenth Report on the Circulation of Underground Waters 580 



4 On the Spinal Column of Loj-omma Allmanni, Huxley, from the Northum- 

 berland Coal- field. By D. Embleton, M.D., F.R.C.P. 580 



5. On the Bone Caves of Cresswell, and Discovery of an Extinct Pleiocene 

 Feline {Felts brevirostris) new to Great Britain. By Dr. R. Laing 582 



G On the Fossil Fishes of the Devonian Rocks of Scaumenac Bay and Camp- 

 bellton, Canada. By Dr. R. H. Traqtjaie, F.R.S., F.G.S 584 



7. On the Occurrence of the Devonian Ganoid Onychodus in Spitzbergen. 



By A. Smith Woodward, F.G.S., F.Z.S 584 



8. Notes on some new and little-known British Jurassic Fishes. By A. 



Smith Woodward, F.G.S., F.Z.S 585 



i). On the relations between the Geological Constitution and the Magnetic 

 State of the British Isles. By Professors A. W. Ruckbr, F.R.S., and 

 T. E. Thorpe, F.R.S 586 



TUESDAY, SEPTEMBER 17. 



1. Notes on the Geology of Torres Straits. By Professor A. 0. Haddon, 

 M.A., M.R.I.A 587 



2. Report on an Ancient Sea-beach near Bridlington Quay 588 



3. Seventeenth Report on the Erratic Blocks of England, Wales, and Ireland 588 



4. On a Deep Channel of Drift in the Valley of the Cam, Essex. By W. 

 Whitakee, B.A., F.R.S., F.G.S., Assoc.Inst.C.E 588 



5. A CriticLsm of the extreme Glacial Views of Agassiz and his Scholars. 



By Henry H. Howorth, M.P., F.S.A 589 



6. Note on a new Locality for the Arctic Shell-beds of the Basement Boulder 



Clay on the Yorkshire Coast. By G. W. Lamplugh 590 



7. Did the Great Rivers of Siberia flow Southwards and not Northwards in 



the Mammoth Age ? By Henry H. Howorth, M.P., F.S.A 591 



8. On the Witwatersrand Gold6elds. By Edward Bates Dorset, Mem.Ain. 



Soc.C.E., Mem.Am.Inst.M.E ,592 



9. Third Report on the ' Manure ' Gravels of Wexford 594 



10. On Barium Sulphate in Water-box Deposits from the Durham Coal-mine 

 Waters and in Nottingham Sandstone. By Professor Frank Clowes, 

 D.Sc ." 594 



