PLATE XLI.
P ig .
1. Dorsal bristle of Halosydna gelatinosa, Sars. x 180.
2. Superior ventral bristles. X 180.
3. Median ventral bristle. X 180.
4. Dorsal bristle of Polynoë scolopendrina. X 350.
5. Large bristle above tbe spine of the ventral division of the foot. X 90.
6. Bristle of the other series adjoining the spine, x 90.
7. Tip of a dorsal bristle. X 350.
8. Tip of one of the series represented in fig. 6. X 350.
9. Dorsal bristle of Enipo Kinbergi. X 350.
10. Ventral bristle with simple tip. X 350.
11. Bifid ventral bristle, x 350.
12. Antero-posterior view of a large ventral bristle with a simple tip. X 350.
13. Dorsal bristle of Acholoê astericola. X 350.
14. Ventral bristle. X 350.
15. Brush-shaped bristle from the superior border of the foot of Panthalis GErstedi,
X 350.
16. Antero-posterior view of a bristle from the upper third of the median lobe of the foot.
X 210.
17. Lateral view of the same bristle^ X 210.
18. Bristle from the ventral edge of the foot. X 210.
19. Dorsal bristle of Sthenelais boa. X 90.
20. Fragment of the former, showing spinous rows. X 350.
21. Superior ventral bristle with simple spinous tip X 350.
22. Stout bristle from the centre of the ventral division with a single appendage. X 350.
23. Bristle from the inferior series. X 350.
24. Portion of the edge of a scale of Sthenelais Zetlandica. x 350.
25. Superior ventral bristle in calcium chloride- X 350.
26. Inferior ventral bristle. X 350.
27. Edge of a scale of Sthenelais atlantica. x 350.
28. Superior ventral bristle. X 350.