PLATP: 79. 



Eupolymnia regnans Chamberlin. 



Figures 1-3. 



1.— Thoracic seta. X 225. 

 2.— Thoracic uncinus. X 830. 

 3. — Abdominal uncinus. X 830. 



Eupolymnia insulana Chamberlin. 

 Figures 4-6. 



4.— Thoracic seta. X 225. 

 5. — Thoracic uncinus. X 860. 

 6. — Abdominal uncinus. X 860. 



Terebella panamena Chamberlin. 



Figures 7, 8. 



7. — Distal portion of thoracic seta. X 830. 

 8. — Thoracic uncinus. X 830. 



Nicolea profundi Chamberlin. 

 Figure 9. 

 9.— Thoracic uncinus. X 830. 



Nicolea latens Chamberlin. 



Figures 10, 11. 



10. — Notopodial seta, distal portion. X 225. 

 11. — Abdommal uncinus. X 860. 



Nicolea taboguillae Chamberlin. 

 Figures 12, 13. 



12. — Outline of right lateral flap of third somite. X 20. 

 13. — Thoracic uncinus, profile view. X 830. 



