Figure 2From: Immune response to sympatric and allopatric parasites in a snail-trematode interactionMean hemocyte count (1 s.e.) in 0.1 μl hemolymph of the snail host P. antipodarum in relation to dose of parasite. Vertical standard error bars were estimated from the mean squared error in the ANOVA in Table 2.Back to article page