39 Mitogenic Responses Table 5 of Bluegill Thymus Stimulation Lymphocytes indexa Mitogen 32C 22C LPS (1 yg) 4.7 10 PHA (0.1 yl) 30 4 Con A (10 yg) 53 7 (a) Triplicate cultures were pulsed on day 6 and harvested on day 7.