The ovaries of both investigated species are of the polytrophic-meroistic type. They are sac-shaped and not divided into individual ovarioles. Two compartments: the germarium and vitellarium can be discerned within each ovarial sac. The germaria are localized laterally and contain relatively numerous germ cells. In the vitellaria, synchronously developing oocyte-nurse cell complexes occur. In each complex, 3 morphologically, and presumably functionally distinct categories of nurse cells can be distinguished. Follicular cells do not form a continuous follicular epithelium; they are filled with synthetically active organelles and secretory vacuoles. Morphology of the egg envelopes of A. coecus is also described.