1. Free-swimming animal, 2 and 3 proboscis of squeezed animals, 4 male cuticular stylet of a squeezed animal, 5 male copulatory organ of a squeezed animal, 6 the in Fig.5 visible distal, cirrus-like part of the male genital canal, at the start of eversion. 3 and 4?690x magn., the other drawings free-hand.
8. Sagital section through the proboscis apparatus, magn. 700x; 9. sagittal section through the male copulatory organ, the atrium commune and the genital pore, magn. 700x
