A Quantitative Study of the Nocturnal
Migration of Birds

BY

GEORGE H. LOWERY, JR.

University of Kansas Publications
Museum of Natural History

UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY
Editors: E. Raymond Hall, Chairman; A. Byron Leonard,
Edward H. Taylor, Robert W. Wilson
UNIVERSITY OF KANSAS
Lawrence, Kansas
PRINTED BY
FERD VOILAND, JR., STATE PRINTER
TOPEKA, KANSAS
1951

23-1020