22 Table 1 White Cell Differentials of Bluegill Whole Blood and Hypaque-Ficoll Isolated Blood Cells Percent of Total*3 a Blood Hypaque-Ficoll Isolated Cell Type Thrombocyte 255C 0 Granulocyte 304 0 Lymphocyte 455 100 (a) Smears were made of whole blood and Hypaque-Ficoll isolates of individual samples and were May-Grunwald-Giemsa stained for quantitation purposes. (b) Results are expressed as a percent of the total number of white blood cells counted. (c) Each value represents the mean of determinations from 6 dif ferent bluegill samples (>3 determinations per samples) standard deviations.