408 
secretaries' report. 
Brooklyn Institute. 
California, University of, 
Cambridge Philosophical Society. 
Chicago Academy of Sciences. 
Copenhagen, L'Academie Royale des Sciences et des Lettres. 
Elisha Mitchell Scientific Society, 
(geological Society of London, 
(geologists' Association. 
Harvard Museum of Comparative Zoology. 
Hertfordshire Natural History Society. 
Iowa (leological Survey. 
Leeds, University of. 
Manchester Geographical Society. 
Manchester Geological and Mining Society. 
Manchester Literar}^ and Philosophical Society. 
Maryland Geological Survey. 
Mexico, Inst. Geologico de. 
Michigan Academy of Science. 
Moscow, Societe Imperiale des Naturalistes de. 
New Brunswick, Natural History Society of. 
New South Wales, Department of Mines. 
New South Wales Geological Survey. 
New York Academy of Science, 
New York State Museum, 
North of England Institute of Mining Engineers. 
Nottingham Naturalists' Society. 
Peru, Cuerpo de Ing. de Minas. 
Philadelphia Academy of Natural Science. 
Royal Dublin Society. 
Royal Geographical Society. 
Royal Geological Society of Cornwall, 
Royal Physical Society, 
Royal Society of Edinburgh, 
Royal Society of New South Wales, 
Russiche K, Mineralog, Gesellschaft, 
Smithsonian Institution, 
Southport Society of Natural History, 
St, Petersbovirg, Comite Geologi(|ue, 
St, Louis Academy of Science, 
Tokyo College of Science, 
United States National Museum. 
United States Geological Survey. 
Upsala, University of. 
Vienna, Naturhistorischen Hofmuseum, 
Wisconsin Academy. 
Yorkshire Philosophical Societ}'. 
