PLATE 28. 



Synelmis simplex Chamberlin. 



Figures 1-5. 



1. — Anterior end, view from side. X 45. 



2.— Anal cirri. X 63. 



3. — Parapodium from middle region of body. X 96. 



4. — Tips of notopodial seta (at the right) and aciculum. X 407. 



5. — Distal portion of nem'opodial seta. X 1075. 



Kainonereis alata Chamberlin. 



Figm'es 6-9. 



6. — Anterior end, lateral view. X cir. 52. 



7. — Pygidium and anal cirri, ventral view. X 90. 



8.^ Falcate neuropodial seta of seventh left parapodium, dorsal view. X 1075. 



9. — Elytron and cirrus of seventh left parapodium, dorsal view. X 96. 



