SECRETARY S REPORT. 
107 
the Council are tendered to the gentlemen who have written 
papers, drawn j)lans, lent negatives, or in any other way con- 
duced to the value of the part, and to Mr. W. H. Crofts, of 
Hull, for kindly redrawing to an altered scale the sections 
illustrating the late Mr. J. Spencer's paper on the geology of 
Calderdale. 
Our Proceedings as usual have been forwarded to leading 
Scientific Societies in various parts of the world, and publica- 
tions in exchange have been received from the following 
Societies : — 
British Association. 
Royal Dublin Society. 
Roj'al Geographical Societ3\ 
Royal Society of Edinburgh. 
Royal Physical Society of Edinburgh. 
Royal Society of New South Wales. 
Department of Mines, Sj^dney, N.S.W. 
Nova Scotian Institute of Science. 
Royal Institution of Cornwall, Truro. 
Bristol Naturalists' Society. 
Cambridge Philosophical Society. 
Essex Naturalists' Field Club. 
Edinburgh Geological Society. 
Geological Association, London. 
Geological Society of London. 
Leeds Philosophical and Literary Society. 
Liverpool Geological Society. 
Liverpool Geological Association. 
Hampshire Field Club. 
Hull Geological Society. 
Herefordshire Natural History Society. 
Manchester Geological Society. 
Manchester Geographical Society. 
Manchester Literary and Philosophical Society. 
University Library, Cambridge. 
Yorkshire Naturalists' Union. 
Yorkshire Philosophical Society, York. 
American Philosophical Society, Philadelphia, U.S.A. 
American Museum of Natural History, New York, U.S.A. 
Academy of Natural Sciences, Philadelphia, U.S.A. 
