■s 



PLATE XX. 



Figs. I- — 9. Enchaeta acuta Giesbrecht. 



Fig. 1. Female, dorsal view. x 23,5. 



Fig. 2. Female, head, lateral view. X 90. 



Fig. 3. Female, last thoracic and flrst abdominal segments. X 46. 



Fig. 4. Female, genital segment, dorsal view. X 46. 



Fig. 5. Female, antennule. x 31. 



Fig. 6. Female, second maxilliped, end hair. X 90. 



Fig. 7. Female, first foot. x 120. 



Fig. 8. Female, second foot. x 120. 



Fig. 9. Female, part of terminal spine, exopodite of third foot. X 390. 



Fies. 10 — 18. Euchaeta media Giesbrecht. 



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Fig. 10. Female, dorsal view. x 31. 



11. Female, head, lateral view. x 90. 



Female, last thoracic and first abdominal segments. X 60. 



Female, genital segment, dorsal view. X 60. 



Female, antennule. X 31. 



Female, second maxilliped, end hair. x 90. 



Female, first foot. X 135. 



Female, second foot. x 135. 



Female, part of terminal spine, exopodite of third foot. x 390. 



