PLATE XIX. 
Fig. 1. Scale from the anterior region of Lagisca magellanica, var. 
murrayi, ....... 
Fig. 2. First scale of Eunoa opalina, . . 
Fig. 3. Scale from the anterior third of Polyno'e platycirrus, 
Fig. 4. Scale from the middle of Polyno'e capensis. The lines are due to 
the wrinkles, not to the nerves, and the engraver has made 
the grains of dark pigment to the left of the scar look like 
the spinous tubercles in a triangular group on the right. 
Fig. 5. Posterior scale of Lagisca darwini, viewed as a transparent pre- 
paration. Most of the granules are hypodermic, . 
Fig. 6. Scale of Evarne kerguelensis. Most of the slender cilia are covered 
with parasitic growths, . . . . . 
Fig. 7. Scale of Polyno'e (Langerhansia) euplectellce, 
Fig. 8. Scale of Polyno'ella levisetosa, . ... . 
Fig. 9. Scale of Eunoa yedoensis, . ... . 
Fig. 10. Head and anterior region of Thalenessa jimbriata, 
X about 12. 
X about 12. 
X about 12. 
X 20. 
X 350. 
X about 30. 
X about 20. 
X about 20. 
X about 40. 
Enlarged. 
Fig. 11. Head and anterior region of Eulepis wyvillei. Most of the bristles 
have been removed, and the first pair of scale-pedicels some- 
what overlap the head, ..... 
Enlarged. 
