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 p. 41-44
John R. F. Bower
The Vascular Flora of Navigation Pool 8 of the Upper Mississippi River p. 45-61
S. D. Swanson and S. H. Sohmer
Bionomics of the Flathead Chub, Hybopsis gracilis (Richardson) p. 62-65
H. Al Martyn and James C. Schmulbach
Effects of Silky and Color Mutations on Structure and Color of Down Feathers in Ring Neck Doves p. 66-69
Paula M. Brooks
Physiologic Studies on the Heart of Amblema peruviana (Mollusca, Bivalvia) p. 70-73
Susan K. Hoiseth and Richard E. Mayerchak
Iowa Lichens: An Annotated Listing p. 74-80
Carl Malone and Lois H. Tiffany
Back Matter
