Facts, observations and conjectures relative to the generation of the opossum of North-America [microform] : in a letter from Professor Barton to Mons. Roume, of Paris.
Barton, Benjamin Smith,1766-1815.
Philadelphia : Printed by Thomas and George Palmer, 116, High-street,
1806.
Sabin 3807.
Sabin Group 19.
Microfiche.
Opossums.