GEOLOGICAL
MUSEUM.
Will exchange Hudson, Corniferous and Carboniferous fossils. Address
Prof. J. A. Bownocker, Curator,
Geological Museum, Ohio State University,
Columbus, Ohio,
ZOOLOGICAL
MUSEUM.
Birds, Insects, Reptiles, etc. We wish to make our collections representative for the fauna of the state and will greatly appreciate all contributions to that end.
Address, Prof. Herbert Osborn,
Department Zoology and Entomology,
Ohio State University, Columbus, Ohio.