| Portion of nephridium of the hindermost leg of Peripatus capensis, seen in longitudinal and vertical section. |
| Segmental organ from the 5th pair of legs of peripatus capensis. |
| Here we present a chance encounter of an individual of Peripatus sp. |
| In Peripatus capensis the organ in question can hardly be described as tetrahedral. |
| The chief feature in which peripatus was supposed to differ from normal Arthropoda and Annelida, viz. |
| In this respect also peripatus shews no signs of a primitive condition of the nervous system. |