PLATE XXXVIII. 



Fig. I. Mysttcola conjuncta sp. nov., p. 217. Seta from thorax, side view. 



2. Another seta from a thoracic fascicle, side view. 



3. Only hooked seta found on sixth thoracic segment. 



4. Dark, sharply pointed, spear-shaped seta from eighth thoracic segment. 



5. Seta from a thoracic fascicle, back view. 



6. Light-colored spear-shaped seta from abdomen. 



7. Only hooked seta found on seventh thoracic segment. 



8. Only hooked seta found on fourth thoracic segment, more turned. 



9. Dark spear-shaped seta from eighth thoracic segment, more blunt than 



fig. 4. 



ID. Uncial plate from abdomen. 



11. Another, showing variation in form. 



12. Myxicola glacialis sp. nov., p. 218. Uncial plate from fourth segment 



(first abdominal). 



13. Myxicola steenstrupt Kroyer, p. 218. Uncial plate from abdomen of a 



specimen from the Bay of Fundy. 



14. Another, showing variation in form. 



15. One of the 4 or 5 hooked setae from sixth thoracic segment. 



16. Another from seventh thoracic segment, more turned. 



17. Myxicola affinis sp. nov., p. 218. Uncial plate from abdomen of speci- 



men from Pacific Grove, California. 



18. Another, showing variation in form. 



19. Hooked seta from thorax. 



20. Another, different view. 



21. Myxicola steenstrufi Kroyer, p. 218. Hooked seta from eighth thoracic 



segment of same specimen as fig. 13. 



22. Another from same segment, different view. 



23. Myxicola glacialis sp. nov., p. 218. Uncial plate from abdomen of 



another specimen. 



24. Myxicola steenstru;pi Kroyer. Seta from thorax of same specimen as 



fig. 13, nearly back view, similar to those on abdomen. 



25. Myxicola glacialis sp. nov., p. 218. Seta from second thoracic segment 



of same specimen as fig. 12, back view. 



26. Seta from first thoracic segment of same specimen, back view. 



27. Seta from abdomen of same specimen as fig. 23, back view. 



28. Abdominal seta from same specimen. 



29. Seta from thorax of same specimen, back view. 



30. Sharp spear-shaped seta from thorax of same specimen. 



31. One of 4 hooked setae from third thoracic segment of same specimen 



as fig. 12. 



32. Blunter spear-shaped seta from thorax of same specimen as fig. 30. 

 All the figures by the author, X 530« 



(334) 



