NATIONAL OCEANOGRAPHIC PROGRAM—1965 423 
Section B. Angell Hall, Auditorium D. GRORGE W. SAUNDERS presiding. 
- 2:45—MARSHALL, J. S. and A. M. BEETON, University of Michigan and U.S. 
Bureau of Commercial Fisherics. Influence of mineral composition of natural 
pac on strontium accumulation and discrimination by freshwater phyto- 
‘plankton. 
- $:00—-EICHELBERGER, H. H. The Potamological Institute, University of Louis- 
ville. An ccological investigation of the periphyton community in the Ohio > 
3 River at Louisville, Kentucky. 
_ 3:15—SEILHEIMER, J. A. Southern Colorado State College. The dynamics of 
potamoplankton populations in the Ohio River at Louisville, Kentucky, 
ah _ 1961-1962. 
. 3:30—COOK, GROVER W. U.S. Public Health Service, Chicago. The plankton 
and benthie fauna of Lake Michigan's southern basin, 
3:45—SCARCE, LEROY E. U.S. Public Health Service, Chicago. A limnological 
study in the distribution of the bacterial flora of Lake Michigan. 
4:00—Annual Business Mecting of ASLO, Auditorium A, Angell Hall. 
SATURDAY MORNING, JUNE 15 
Session V. Biology (cont.) and Water Resources 
Invited Papers: } 
Section A. Angell Hall, Auditorium C. LYLE BE. CRAINE presiding. 
9:00—RENN, CHARLES E. The Johns Hopkins University. Biologists as organi- 
zation men in water resources. 
9:30—LACKEY, JAMES B. University of Florida. The scientist and marine water 
resources. 
10;00—BERGER, BERNARD B. U.S. Public Health Service, Washington, D.C. 
Scientists and water quality research. 
10:30—OEMING, LORING F. Michigan Water Resources Commission. Water 
resources manapement—the scientist's contribution. 
11:00—POSTON, H. W., W. Q. KEHR and C. R. OWNBEY. U.S. Public Health 
Service, Chicago. Scientific research and water ‘quality management. 
Contributed Papers, Biology (continucd): 
Section B. Angell Hall, Auditorium D. GEORGE H. LAUFF presiding. 
9:00—DAVIS, CHARLES C. Western Reserve University. Hatching mechanism 
in the cgys of aquatic invertebrates. 
9:15—PARKER, RICHARD A. Washington State Univeristy. Some effects of 
photoperiod and temperature on daphnid reproduction. 
9:30—ANDERSON, W. H. L. and W. L. L:ESPERANCE. University of Michi- 
yan. An cconometric model of the market for yellow perch. 
— 9:45-—FABER, DANIEL J. University of Wisconsin, Larval fish taken with tow: 
nets in the open water of a small northern Wisconsin lake. 
10:00—CHIANDLER, DAVID C. University of Michigan. Burrowing maylly - 
nymphs in western Lake Erie previous to 1947. 
10:15—-WOOD, KENNETH G. Thiel College, Greenville, Pa. The bottom fauna 
of western Lake Erie, 1951-52. 
10:30——BRITT, N. WILSON. Ohio State University. Some changes in the bottom 
fauna of the island area of western Lake Erie in the decade 1953-1963, with 
special reference to the aquatic insccts. 
11:;00—CARR, JOHN F. and J. K. HILTUNEN. U.S. Bureau of Commercial 
Fisheries, Ann Arbor. Changes in the bottom fauna of Lake Eric, west of the* 
islands, 1930-1961. : 
11:15—DENDY, J. 8. Auburn University, Alabama. Observations on ecology of 
: ryozoans in farm ponds. 
11:30—DORRIS, TROY C. and B. J. COPELAND. Oklahoma State University. 
Chlorophyll in oil refinery effluent-holding ponds. : 
-  11:43—COLE, GERALD A. and JOHN G. WEISE. Arizona State University. 
- Calanoid copepods from autumnal temporary ponds in Arizona. 
