1906 - 7 .] 
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Donations to the Library. 
Cleveland (Ohio). — The Geological Society of America. Bulletins. 
Clinton (Iowa). — Litchfield Observatory, Hamilton College. 
Colorado Springs. — Colorado College. Colorado College Studies. Yol. XI., 
pp. 191-327. 8vo. {Presented.) 
Columbia (Missouri) — 
Laws Observatory {University of Missouri). Bulletin, No. 6. 1906. 4to. 
{Presented.) 
Connecticut. — Connecticut Academy of Arts and Sciences. Transactions. 
Davenport. — Academy of Natural Sciences. Proceedings. 
Denver (Colorado). — Scientific Society of Colorado. Proceedings. 
Des Moines (Iowa). — Iowa Academy of Sciences. 
Granville (Ohio).— Denison University and Scientific Association. Bulletin of 
the Scientific Laboratories. 
Indianopolis. — Indiana Academy of Sciences. Proceedings. 
Iowa City — 
Geological Survey. Annual Beports. 
State University. Laboratories of Natural History. 
Iowa. {See Des Moines.) 
Ithaca (N.Y.)— 
The Editor, Physical Review. (Cornell University.) 
The Editors, Journal of Physiccd Chemistry. (Cornell University.) 
Lawrence (Kansas). — University of Kansas. Science Bulletin (University 
Quarterly). 
Lincoln (Nebraska). — The University of Nebraska. Agricultural Experiment 
Station. Bulletins. 
Madison — 
Wisconsin University. Washburn Observatory. Observations. 
Wisconsin Academy of Sciences , Arts, and Letters. 
Geological and Natural History Survey. Bulletins. {Economic Series .) 
Massachusetts.— Tufts College Library. Tufts College Studies. 
Meriden (Conn.). — Meriden Scientific Association. 
Minneapolis (Minn.) — 
Geological and Natural History Survey of Minnesota. 
Botanical Survey. 
Missouri. {See St Louis, Rolla, and Columbia.) 
Mount Hamilton (California). — Lick Observatory. Bulletins. 
Mount Wilson (California). — Solar Observatory of the Carnegie Institution. 
Contributions. — Reports. 
Newhaven (Conn.) — Yale College. Astronomical Observatory of Yale University. 
Transactions. — Reports. 
New Orleans.— - A cademy of Sciences. 
New York — 
American Mathematical Society. Bulletins. — Transactions. 
American Museum of Natural History. Bulletin. — Memoirs.— American 
Museum Journal. — Annual Reports. — Anthropological Papers. 
American Geographical Society. Bulletin. 
American Institute of Electrical Engineers. Transactions. — Proceedings. 
