CONTENTS. Xlii 



TUESDA T, A UGUST 20, 1878. 



Page 



1. On the Influence of "Strike" on the Physical Features of Ireland. By 



Edward T. Hardman, F.C.S., F.R.G.S.t., Geological Survey of Ireland 541 



2. On Hullite, a hitherto undescrihed Mineral ; a Hydrous Silicate of peculiar 



composition, from Carnmoney Hill, Co. Antrim, with Analysis. By 

 Edward T. Hardman, F.C.S., H.M. Geological Survey. With Notes on 

 the Microscopic Appearances, hy Professor E. Hull, M.A., F.R.S 542 



3. The Progress of the Geological Survey of Ireland. By Professor Edward 



Hull, M.A., F.R.S. , Director 543 



4. Report of the Committee on Erratic Blocks 543 



5. The Geological Relations of the Atmosphere. By T. Sterrt Hunt, 



LL.D., F.R.S ; 544 



6. Report of Committee on the Conductivity of Rocks 545 



7. On the Saurians of the Dakota Cretaceous Rocks of Colorado. By Pro- 

 fessor E. D. Cope 545 



8. Notes on Eribollia Mackayi, a New Fossil from the Assynt Quartzite in 



the North-Western Highlands of Scotland. By James Nicol, F.R.S.E., 

 F.G.S., Professor of Natural History in the University of Aberdeen 545 



9. On the Influence that Microscopic Vegetable Organisms have had on the 

 production of some Hydrated Iron Ores. By M. Alphonse Gages 545 



WEDNESDAY, AUGUST 21, 1878. 



1. On the Age of the Crystalline Rocks of Donegal. By Professor W. King, 

 D.Sc 547 



2. On the Correlation of Lines of Direction on the Globe, and particularly of 

 Coast Lines. By Professor J. P. O'Reilly 547 



3. Concerning the Extent of Geological Time. By Rev. M. H. Close, 

 F.G.S 548 



4. On the Earth's Axis. By Rev. Professor Haughton, M.D., F.R.S 548 



5. Geological Results of the late British Arctic Expedition. By Captain 

 Feilden, R.A., and Mr. De Rance 548 



Section D.— BIOLOGY. 



Department of Zoology and Botany. 

 THURSDAY, AUGUST 15, 1878. 



Address by Professor William Henry Flower, F.R.S., F.L.S., F.G.S. , 



President of the Section 540 



1. Report of the Close-time Committee 558 



2. Report of the Committee on the Zoological Station at Naples 558 



3. On the Geographical Distribution of the Chiroptera. By Dr. G. E. 

 Dobson 558 



4. Notes on the Geographical Distribution and Migrations of Birds, &c, on 



the Northern Shores and Lands of Hudson's Bay. By J. Rae, M.D., 

 LL.D., F.R.G.S ". .* 558 



