CONTENTS. Xlll 



Page 

 5 The Geological Age of the Rocks of West Cornwall. By J. H. Collets, 

 F.G.S 347 



6. The Surface Rocks of Syria (suggested by the Quarries at Baalbek). By 



James Perky, B.E., County Surveyor, Roscommon 348 



7. On certain Geological Facts observed in Natal and the Border Countries, 

 during Nineteen Years' Residence. By the Rev. George Blencowe 349 



TUESDAY, AUGUST 26, 1879. 



1. Fifth Report on the Underground Waters in the Permian, New Red Sand- 

 stone, and Jurassic Formations 350 



2. Report on the Progress of the ' Geological Record' 350 



3 On the Replacement of Siliceous Skeletons by Carbonate of Lime. By 

 W. J. Sollas, M.A., F.G.S 350 



4. On Carboniferous Polyzoa and Palseocorynse. By G. R. Vine 350 



5 On the Classification of the British Pre-Cambrian Rocks. By Henry 

 Hicks, M.D., F.G.S 351 



6. On some further Evidence relating to the Range of the Palaeozoic Rocks 



beneath the South-East of England. By R. A. C. Godwin-Austen, 

 F.R.S., F.G.S 352 



7. On 'Culm' and 'Kulm.' By G. A. Lebottr, M.A., F.G.S., Professor of 



Geology in the University of Durham College of Physical Science, New- 

 castle-on-Tyne 352 



Section D.— BIOLOGY. 



Department of Zoology and Botany. 



THURSDAY, AUGUST 21, 1879. 



Address by Professor St. George Mivart, F.R.S., F.L.S., F.Z.S., President 



of the Section 354 



1. On the Occurrence of Leptodora hyalina in England. By Sir John Lub- 



bock, Bart, V.P.R.S., M.P 369 



2. Report of the 'Close Time 'Committee 369 



3. Report of the Committee appointed for the purpose of exploring the Marine 



Zoology of South Devon 369 



4. Report on the Progress of the Zoological Record 369 



5. Report of the Committee on the Zoological Station at Naples 370 



6. Report of the Committee for investigating the Natural History of Socotra . 370 



FRIDAY, AUGUST 22, 1879. 



1. On Fruits and Seeds. By Sir John Lubbock, Bart., V.P.R.S., M.P., 

 D.C.L.,LL.D 370 



2. On the Insects which injure Books. By Professor Westwood, M.A 371 



3. A Case of Disputed Identity, Haliphysema. By Professor Ray Lan- 



kester, F.R.S 372 



4 On Budding in the Syllidian Annelids, chiefly with reference to a branched 

 form procured by H.M.S. < Challenger.' By W. 0. McIntosh 372 



