1:00 CHEMICAL MARKING OF JUVENILE FRESHWATER MUSSELS.
C.B. Eads and J.B. Layzer. U.S. Geological Survey, Tennessee Cooperative Fishery Research Unit, Tennessee Technological University, Cookeville, TN 38505

1:15 RELATIONSHIP BETWEEN THE POPULATION STRUCTURE OF A DOMINANT MUSSEL SPECIES AND MUSSEL ASSEMBLAGE STRUCTURE IN FIVE OKLAHOMA RIVERS.
C.C. Vaughn. Oklahoma Biological Survey and Department of Zoology, University of Oklahoma, Norman, OK 73019

1:30 EFFECT OF CORBICULA PRESENCE AND DENSITY ON NATIVE BIVALVES IN STREAMS.
C.C. Hakenkamp, A.E. Fuller, and M.E. McCoy. Department of Biology, James Madison University, Harrisonburg, VA 22807

1:45 FILTRATION RATES OF THE UNIONID,VILLOSA IRIS (LEA, 1829) FED AT DIFFERENT ALGAL CELL CONCENTRATIONS AND DIFFERENT FEEDING REGIMES.
C.M. Gatenby¹, R.J. Neves², and M.A. Patterson². ¹Philadelphia Academy of Natural Sciences, Philadelphia, PA 19103., ²Virginia Fish and Wildlife Cooperative Research Unit, Department of Fisheries and Wildlife Sciences, Virginia Tech, Blacksburg, VA 24061

2:00 CULTURE OF FRESHWATER MUSSEL: EFFECTS OF SEDIMENT PARTICLE-SIZE.
T.R. Brady^1,2,3 and J.B. Layzer^1,2,3. ¹U.S. Geological Survey, BRD, ²Tennessee Cooperative Fishery Research Unit, ³Tennessee Technological University, Cookeville 38501

2:15 THE EFFECT OF TURBIDITY ON TWO FRESHWATER MUSSELS, LASMOGINA COMPLANATA AND AMBLEMA PLICATA, IN THE SYDENHAM WATERSHED.
J.J. VanDerWal and R.H. Green. Department of Zoology, University of Western Ontario, London, Ontario, Canada N6A 5B8

2:30 THE ROLE OF UNIONID BIVALVES (MOLLUSCA: BIVALVIA) IN HEADWATER STREAMS.
A.D. Christian¹ and D.J. Berg². ¹Department of Zoology, Pearson Hall, Miami University, Oxford, OH 45056, ²Department of Zoology, 1601 Peck Boulevard, Mami University, Hamilton, OH 45011

2:45 GENETIC VARIATION ACROSS DRAINAGE DIVIDES: IMPLICATIONS FOR RESTORATION OF EXTIRPATED UNIONID POPULATIONS.
D.J. Berg¹, A.D. Christian², J.L. Metcalfe-Smith³, and S.I. Guttman². ¹Department of Zoology, Miami University, Hamilton, OH 45011, ²Department of Zoology, Miami University, Oxford, OH 45056, ³National Water Research Institute, P.O. Box 5050, 867 Lakeshore Road, Burlington, Ontario, Canada, L7R 4A6