1. Two views of a moving animal 2. Immobile animal, fixed by its posterior adhesive crown. 3. Squeezed live animal 4. General anatomy of an animal who's testis is deplaced towards the causdal body end.
5. Proboscis of a squeezed live animal. 6 and 7. Cuticular hooks seen in profile en head-on. 8. Transverse section through the proboscis at the level of the insertion of the anterior retractor muscles. 9. Sagittal section of the protracted proboscis.
11. Transversal section at the level of the prostate vesicle 12. Transversal section of the posterior body end, showing the insertion of the dorsal muscles on the common genital duct.
