Biodiversity Heritage Library
By "Galloway, William Brown. "
The chalk and flint formation : its origin, in harmony with a very ancient and a scientific modern theory of the world, illustrated with facts and specimens / by W. B. Galloway.
By: Galloway, William Brown.
Publication info: London :S. Low, Marston, Searle, & Rivington,1886.
Contributed by: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library