<p>Three somite-appendages or parapodia of <i>Peripatus</i>.
</p><p>A, A walking leg; <i>p</i><sup>1</sup> to <i>p</i><sup>4</sup>, the characteristic “pads”; <i>f</i>, the foot; <i>cl</i><sup>1</sup>, <i>cl</i><sup>2</sup>, the two claws.
</p><p>B, An oral papilla, one of the second pair of post-oral appendages.
</p><p>C, One of the first post-oral pair of appendages or mandibles; <i>cl</i><sup>1</sup>, <i>cl</i><sup>2</sup>, the greatly enlarged claws. (Compare A.)
</p>
The appendages are represented with the neural or ventral surface uppermost.
Edwin Ray Lankester
published 1911
<i>Encyclopædia Britannica</i> (11th ed.), v. 2, 1911, p. 677