XVIII. 
PUBLICATIONS RECEIVED. 
Uraguay — 
Museo de liistoria natural, Montevideo. 
United States — 
Academy of Natural Sciences, Phila- 
delphia. 
Academy of Science, St. Louis. 
American Academy of Arts and 
Sciences, Boston. 
American Geographical Society, New 
York. 
American Museum of Natural History, 
New York. 
American Philosophical Society, Phila- 
delphia. 
Arnold Arboretum, Jamaica Plains. 
Boston Society of Natural Sciences. 
Buffalo Society of Natural History. 
California Academy of Sciences. 
California, University of. 
California, University of, Los Angeles. 
Carnegie Institution, Washington. 
Cornell University. 
Federal Government — 
Bureau of Standards. 
Department of Agriculture. 
Geological Survey. 
Library of Congress. 
Public Health Service. 
Field Museum of Natural History, 
Chicago. (Now under new name.) 
Florida State Geological Survey. 
Harvard University. 
Illinois Natural History Survey. 
Illinois, University of. 
Indiana Academy of Science. 
Institute of Biological Research, Balti- 
more. 
Iowa, University of. 
John Crerar Library, Chicago. 
Johns Hopkins University. 
Kansas Academy of Science, Lawrence. 
Kansas, University of. 
Lloyd Library, Cincinnati. 
Michigan Academy of Arts, Science, 
and Letters. 
Michigan, University of. 
Minnesota Geological Survey. 
Minnesota, University of. 
Missouri Botanic Garden, St. Louis. 
Museum of Comparative Zoology, 
Harvard. 
National Academy of Science, Wash- 
ington. 
National Research Council, Washington. 
New York Academy of Sciences. 
New York Zoological Society. 
Ohio State University. 
Portland Society of Natural History. 
Puget Sound Biological Station, 
Seattle. 
Rochester Academy of Science. 
San Diego Society of Natural History. 
Smithsonian Institution, Washington. 
State College of Washington, Pullman. 
United States National Museum, Wash- 
ington. 
Vanderbilt Marine Museum, Hunting- 
ton. 
Western Society of Engineers, Chicago. 
Wisconsin Academy of Arts, Science, 
and Letters, Madison. 
Wistar Institute of Anatomy and 
Biology, Philadelphia. 
Yale University — 
Bingham Oceanographic Laboratory. 
Peabody Museum of Natural History. 
