YEVICH, P„ P. 
National Marine Water Quality Laboratory 
U.So Environmental Protection Agency 
Liberty Lane at Fairgrounds Road 
P. 0. Box 277 
West Kingston, R. I. 02892 
RTLA 204, 222 
YODER, W. G. 
Platte River Rearing Station 
Michigan Department of Natural Resources 
15200 Honor Highway 
Beulah, Mich. 49617 
RTLA 105, 156 
ZGURZYNSKI, J. A, 
263 Spruce Street 
Garwood, N. J. 07027 
RTLA 98 
ZIMMACK, H 0 L. 
Department of Biology 
College of Sciences and Humanities 
Ball State University 
Muncie, Ind. 47306 
RTLA 43, 287 
ZUBROD, C. G. 
Chemotherapy 
National Cancer Institute 
Bethesda, Md. 20014 
RTLA 212 
ZWART, P. 
Afd. Ziektekunde Bijzondere Dieren 
Faculteit Diergeneeskunde 
Rijksuniversiteit te Utrecht 
Biltstraat 172 
Utrecht, Netherlands 
RTLA 120, 214, 291, 460-462, 532, 
632-635, 654 
