The ornithology of Illinois
Subtitle: Part I. Descriptive catalogue
By: By Robert Ridgway. Part II. Economic ornithology. By S. A. Forbes. Pub. by authority of the state Legislature
Contributors: Illinois. Natural History Survey Division
Publisher: H. W. Rokker, Printer
Published: 1889
Place of publication: Springfield, Ill
Language: eng
Subjects: Birds -- Illinois.
Notes: At head of title: Natural History Survey of Illinois. State Laboratory of Natural History.

Part II, Economic ornithology, by S. A. Forbes, never published.

Bibliography: v. 1, p. 36-42.