secretary's report. 
117 
world, and the best thanks of the Society are due, and are herebj^ 
tendered, to the following Societies who have kindl}^ sent their 
publications in exchange : — 
Manchester Geological Society. 
Royal Institution of Cornwall. 
Academy of Natural Sciences, Philadelphia, U.S.A. 
Society Imperiale des Naturalistes, Moscow. 
United States Geological Survey. 
Boston Society of Natural History, U.S.A. 
Hull Literary and Philosophical Societj'. 
Academy of Sciences, St. Louis, Mo., N.S.A. 
Geological Society of London. 
Royal Geological Society of Cornwall. 
Royal Physical Society of E-linburgh. 
Museum of Comi)arative Zoology at Harvard College. 
Bristol Naturalists' Society. 
American Philosophical Society, Philadel[)hia. 
Smithsonian Institution, Washington. 
American Museum of Natural History, New York. 
Leeds Literary and Philosophical Society. 
University Library, Cambridge. 
Manchester Geographical Society. 
Yorkshire Philosophical Society, Y'ork. 
Manchester Literary and Philosophical Society. 
New York State Library, Albany. 
L' Academic Royale Suedoise deg Sciences, Stockholm. 
Liverpool (Geological Association. 
Geological Institution, Royal University Library, Upsala. 
Societe d'Emulation d'Abbeville. 
United States National Museum, \Vashing:ton, D.C. 
New Y^ork Academy of Sciences. 
Hull Geological Society. 
Leeds Geological Association. 
Nova Scotian Institute of Science, Halifax. 
Geological Survey of Minnesota, Minneapolis. 
Kaiserliche Leopoldinisch-Carolinische Deutsche Akademie der Natur- 
forscher, Halle-a-Saale. 
Royal Society of New South Wales, Sydney. 
Wagner Free Institute of Science, Philadelphia. 
Institute Geologico de Mexico. 
British Museum (Natural History). 
Australian Museum, Sydney. 
The Glacialists' Association. 
The Department of Mines, Sydney, N.S. \V. 
The Geologists' Association, London. 
