Volume 85, Number 2 (1978)
Issue cover date: June 1978
Front Matter
Research
Culture, Environment and Technology: Preliminary Results of an Archaeological Study in Kenya
John R. F. Bower
The Vascular Flora of Navigation Pool 8 of the Upper Mississippi River
S. D. Swanson and S. H. Sohmer
Bionomics of the Flathead Chub, Hybopsis gracilis (Richardson)
H. Al Martyn and James C. Schmulbach
Effects of Silky and Color Mutations on Structure and Color of Down Feathers in Ring Neck Doves
Paula M. Brooks
Physiologic Studies on the Heart of Amblema peruviana (Mollusca, Bivalvia)
Susan K. Hoiseth and Richard E. Mayerchak
Iowa Lichens: An Annotated Listing
Carl Malone and Lois H. Tiffany
Back Matter
