VI 
1442-43 Colorado College, Colorado Springs. —» 
1446-47 Ohio State University, Columbics. —» 
1449 Indiana Academy of Science, Indianopolis. —> 
1450 Laboratories of Natural History of the State University, lowa. —^ 
1458 Michigan Academy of Science, Lansing. 
« 
1463 University of Wisconsin, Madison. —> 
1465 Wisconsin Academy of Sciences, Arts and Lettere, Madison. 
1466 Wisconsin Geological and Natural History Survey, Madison. 
1469 Meriden Scientifle Association. 
1470 Public Museum of the City of Milwaukee. 
1471 Minnesota Academy of Natural Sciences, Minneapolis. —> 
1473-74 University of Minnesota, Minneapolis. —> 
1477-79 University of Montana, Missoula. 
1482 The American Journal of Science, New-Haven. 
1483 Connecticut Academy of Arts and Sciences, New-Haven. —> 
1487 American Journal of Microcospy and Popular Science, New-Yorh. 
1488-90 American Museum of Natural History, New-Yorh. —> 
1494-96 New-York Academy of Sciences —> 
1499 New-York State Museum —> 
1504 The Midland Naturalist, Notre-Dame. —> 
1505 Academy of Natural Science, Philadelphia. 
1506 The American Naturalist, Philadelphia. 
1507 American Philosophical Society, Philadelphia. —» 
1514-18 University of Pennsylvania, Philadelphia. —> 
1519-20 Wagner Free Institute of Science, Philadelphia. —> 
1521 Portland Society of Natural History —> 
1522 Rochester Academy of Science —> 
1524 Augustana College, Hoch-Island. 
1525 Academy of Science, St-Louis. —> 
1528-29 Essex Institute, Salem. 
1535-36 California Academy of Sciences, San Francisco. 
1543 Kansas Academy of Science, Topeha. —> 
1545 Trenton Natural History Society —> 
1547 Tufts College —> 
1548-49 Illinois State Laboratory of Naturel History, Urbana. —^ 
1550-51 University of Illinois, Urbana. —> 
1554 Carnegie Institution of Washington —> 
1600 Smithsonian Institution, Washington. —> 
1607 U.-S. National Museum, Washington. —> 
Allemagne. 
40 Naturwissenschaftliche Rundschau, Berlin. —> 
48 Naturhistorischer Verein der Preussischen-Rheinlande, Bonn. - 
49 Niederrhcinische Gesellschaft fur Natur- und Heilkunde, Bonn. 
54 Natur wissenschaf tl. Verein, Bremen. —> 
