#### Sentence Examples

• Where locomotive appendages (the parapodia of the Polychaeta) exist, they are never jointed, as always in the Arthropoda; nor are they modified anteriorly to form jaws, as in that group.
• They are disposed in two groups on either side, corresponding in the Polychaeta to the parapodia; the two bundles are commonly reduced among the earthworms to two pairs of setae or even to a single seta.
• Setae always present and often very large, much varied in form and very numerous, borne by the dorsal and ventral parapodia (when present).
• It is held, however, that these are a pair of parapodia which have shifted forwards.
• The presence of parapodia distinguish this from other groups of Chaetopoda.