Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Vireo olivaceus
Nematodes in Birds of the World
by Robert S. Ridgway, Jr.
with illustrations by Wm. H. Osgood and others
published by the Smithsonian Institution, Washington, D.C., 1903