Figure 2. Microscopic images of representative Oesophagostomum sp. eggs found in the feces of infected primate hosts.

Images were captured at 40× objective magnification from thin smears of sedimented feces. A = blue monkey, B = black and white colobus, C = chimpanzee, D = l'hoest monkey, E = grey-cheeked mangabey, F = olive baboon, G = red-tailed guenon, H = human. All eggs were between 65 and 84 µm long and between 35 and 55 µm wide.