CONTENTS. XV 



Page 



11. On the Gypsum Deposits of Nottinghamshire and Derhyshire. By A. T. 

 Metcalfe, F.G.S 760 



12. Report on Photographs of Geological Interest 760 



13. On a Bed of Oolitic Iron-ore in the Lias of Raasay. By Horace B. Wood- 



ward, F.G.S 760 



14. Note on a Transported Mass of Chalk iu the Boulder Clay at Catworth in 

 Huntingdon.shire. By A. C. G. Cameron, Geological Survey 760 



15. Augen Structure in Relation to the Origin of Eruptive Rocks and Gneiss. 



By J. G. GooDCHiLD, F.G.S 761 



SATURDAY, SEPTEMBER 16. 



1. The Genetic Relations of the Basic Eruptive Rocks of Gran (Kristiania 

 Region). By Professor W. C. Brosger, of the University of Kristiania 762 



2. Petrological Features of the Dissected Volcano of Crandall Basin, 

 "Wyoming. By Professor Joseph Paxson Iddings 763 



3. Berthelot's Principle applied to Magmatic Concentration. By Alfred 

 Haeker, M.A., F.G.S 765 



4. On the Origin of Intermediate Varieties of Igneous Rocks by Intrusion 

 and Admixture, as observed at Barnavave, Carlingford. Bv Professor 



W. J. SoLLAS, D.Sc, F.R.S ". 765 



5. On the Transformation of an Amphibolite into Quartz-mica-diorite. By 

 Professor W. J. Sollas, D.Sc, F.R.S 765 



6. On some Igneous Rocks of South Pembrokeshire, with a Note on the 

 Rocks of the Isle of Grassholme. By F. T. Howard, B.A., and E. W. 

 Small, M.A., B.Sc 766 



7. Notes on a Hornblende Pikrite from Greystones, Co. Wicklow. By 



W. W. Watts, M.A., F.G.S 767 



8. Report on the Registration of Type Specimens of Fossils 767 



MONDAY, SEPTEMBER 18. 



1. *Discussion on Coral Reefs, Fossil and Recent. Opened by Professor 

 W. J. Sollas, F.R.S 768 



Twenty Years' Work on the Younger Red Rocks. By Rev. A. Irving, 

 D.Sc, B.A., F.G.S 768 



o 



3. ♦On the Trias of the Midlands. By Professor C. Lapwoeth, F.R.S 768 



4. On the Occurrence of Fossils in the Magnesian Limestone of Bulwell, near 



Nottiagham. By Baron A. voN Rbinach and W. A. E Ussher 768 



5. Note on the ' Himlack ' Stone near Nottingham. By Professor E. Hull, 

 F.R.S., F.G.S 769 



6. On the Junction of the Permian and Triassic Rocks at Stockport. By 



J. AV. Gray, F.G.S., and Percy F. Kendall, F.G.S 769 



7. Note on some Molluscan Remains lately di.'icovered in the English 



Keuper. By R. Bullen Newton, F.G!S., British Museum (Natural 

 History) 770 



