PLATE 24. 



Plotohelmis alata Ch-wuberlin. 



Figures 1-3. 



1. — Notocirrus of eighteenth parapodiuni. X 63. 

 2. — Notocirrus from near thirtieth somite. X 63. 

 3. — Notocirrus of twenty fifth parapodium. X 63. 



Torea pelagica Chamberlin. 



Figures 4-9. 



4. — Anterior end, ventral view (parapodia not shown). X 27. 



5. — Prostomium, dorsal view. X 63. 



6. — Distal end of seta of fifteenth parapodium. X 1075. 



7. — • Notocirnis of fifteenth parapodium. X 63. 



8. — Neurocirrus of fifteenth parapodium. X 63. 



9. — Neurocirrus of fifth parapodium. X 63. 



Mauita nans Chamberlin. 



Figures 10, 11. 



10. — Distal portion of aciculum. X cir. 307. 



11. — Parapodium of fourth somite (first complete one). X 27. 



