American journal of conchology [microform] /
Tryon, George W.(George Washington),1838-1888.
Academy of Natural Sciences of Philadelphia.Conchological Sectionlcn01442414
Philadelphia : G.W. Tryon, jr.; [etc., etc.],
1865-72.
Vols. 3-7 published by the Conchological section of the Academy of natural sciences of Philadelphia.
No more published.
Sabin 1111.
Sabin Group 5.
Microfiche.
Mollusks