EXCHANGES. 



Alabama. Geological Survey of Alabama, Montgomery 



" " " " " " i Map 



California. University of California, Agricultural Experiment 



Station, Berkeley 



C. R. Orcutt, San Diego 



Library, Leland Stanford, Jr., University, Palo Alto 



California State Board of Fish Commissioners, Sacramento. 



California State Mining Bureau, Sacramento 



California Academy of Sciences, San Francisco 



San Francisco Free Public Library 



Cooper Ornithological Club, Santa Clara 



Santa Clara College 



Colorado. Scientific Society, Denver 



University of Denver 



Connecticut. State Board of Agriculture, Hartford 



C. E. Beecher, New Haven 



Illinois. F. C. Chamberlin, Chicago 



Chicago Academy of Science 



Field Columbian Museum, Chicago 



John Crerar Library, Chicago. 



University of Chicago 



State Laboratory of Natural History, Urbana 



Indiana. Academy of Science, Indianapolis 



Indiana State Library, Indianapolis 



Iowa. Academy of Natural Sciences, Davenport 



Geological Survey, Des Moines 



Historical Department of Iowa, Des Moines 



University of Iowa, Iowa City 



State Historical Society, Iowa City 



Kansas. State Board of Agriculture, Topeka 



' State Historical Society, Topeka 



University, Lawrence 



Kentucky. Agricultural Experiment Station, Louisville 



Maryland. Johns Hopkins University, Baltimore. ... 



Agricultural Experiment Station, College Park 



Massachusetts. Agricultural College, Amherst 



American Academy of Arts and Sciences, Boston 



Appalachian Mountain Club, Boston 



Boston Public Library 



Boston Society of Natural H istory . . 



State Board of Agriculture, Boston 



Walter Faxon, Cambridge 



Harvard College Astronomical Observatory, Cambridge . . . 



Museum of Comparative Zoology, Cambridge. 



Tufts College, Medford 



Essex Institute, Salem • 



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