IV CONTENTS. 



i 



Page 

 (Secretary), Professor W. H. Perkin, Dr. M. 0. Forster, and Dr. 



H. R. Le Sueur 82 



The Transformation of Aromatic Nitre-amines and Allied Substances, 

 and its Relation to Substitution in Benzine Derivatives. — Report of 

 the Committee, consisting of Professor F. S. Kipping (Chairman), 

 Professor K. J. P. Orton (Secretary), Dr. S. Ruhemann, Dr. A. 

 Lapworth, and Dr. J. T. Hewitt 85 



The Study of Isomorphous Derivatives of Benzene Sulphonic Acid. — 

 Report of the Committee, consisting of Principal Miers (Chairman) 

 and Professors H. E. Armstrong (Secretary), W. J. Pope, and 

 W. P. Wynne 100 



Erratic Blocks of the British Tsh-s. — Report of the Committee, con- 

 sisting of Mr. R. H. Tiddeman (Chairman), Dr. A. R. Dwekry- 

 house (Secretary), Dr. T. G. Bonnev, Mr. F. M. Burton, Mr. F. W. 

 Harmer, Rev. S. N. Harbison, Dr. J. Horne, Mr. W. Lower 

 Carter, Professor W. J. Sollas, and Messrs. Wm. Hill, J. W. 

 Stather, and J. H. Milton 100 



Faunal Succession in the Lower Carboniferous Limestone (Avonian) 

 of the British Isles. — Report of the Committee, consisting of Pro- 

 fessor J. W. Gregory (Chairman), Dr. A. Vaughan (Secretary), Dr. 

 Wheelton Hind, and Professor W. W. Watts, appointed to enable 

 Dr. A. Vaughan to continue his Researches thereon. (Drawn up 

 by the Secretary) 106 



Investigation of the Igneous and Associated Rocks of the Glensaul and 

 Lough Nafooey Areas, Cos. Mayo and Galway. — Report of the 

 Committee, consisting of Professor W. W. Watts (Chairman), 

 Professor S. H. Reynolds (Secretary), Mr. H. B. Maute, and 

 Mr. C. I. Gardiner 110 



Composition and Origin of the Crystalline Rocks of Anglesey. — Fifth 

 Report of the Committee, consisting of Mr. A. Harker (Chairman), 

 Mr. E. 'Greenly (Secretary), Dr. J. Horne, Dr. C. A. Matley, 

 and Professor K. J. P. Orton 110 



The Excavation of Critical Sections in the Palaeozoic Rocks of Wales 

 and the West of England. — Report of the Committee, consisting of 

 Professor C. Lapworth (Chairman), Mr. G. W. Fernsides (Secre- 

 tary), Dr. J. E. Marr, Professor W. W. Watts, and Mr. G. J. 

 Williams 113 



Third Report on Excavat'ions among the Cambrian Rocks of 

 Comley, Shropshire, 1909, by E. S. Cobbold, F.G.S 113 



South African Strata.— Report of the Committee, consisting of Pro- 

 fessor J, W. Gregory (Chairman). Professor A. Young (Secretary), 



