Part 1, no. 2-4, by C. E. Hellmayr and B. Conover; pts. 2-3 by C. B. Cory (pt. 3, rev. and continued by C. E. Hellmayr) pts. 4-5 initiated by C. B. Cory, continued by C. E. Hellmayr; pts. 6-11 by C. E. Hellmayr.
Subject:
Birds
Copyright Status:
In copyright. Digitized with the permission of the Chicago Field Museum. For information contact dcc@library.uiuc.edu.