Journal Index Authors Hubert C. Skinner Emily H. Vokes Tulane Studies in Geology and Paleontology Earth Sciences Department Tulane University Deborah S. Vial Tulane Studies in Geology and Paleontology Earth Sciences Department Tulane University Downloads Download data is not yet available. Downloads PDF Published 2017-04-21 Issue Vol. 14 No. 3 (1978) Section Back Page