Plate II. 



Fig. 9. Dorsal view of the anterior end of an atocous worm. 10 x . 



Fig. 10. Dorsal view of same, with protruded proboscis. 15 x . 



Fig. 11. Ventral view of same. 15 x . 



Fig. 12. A bristle from the dorsal ramus of 30th parapodium, from an 



atocous worm. 390 x . 

 Fig. 13. A bristle from the upper-anterior bunch of the ventral ramus, 



from the same. 390 x . 

 Fis;. 14. A bristle from the lower-anterior bunch from the same. 390 x . 

 Fig. 15. A bristle from the lower-posterior bunch from the same. 390 x. 

 Fig. 16. A bristle from the upper-posterior bunch from the same. 390 x . 

 Fig. 17. A bristle from the upper-anterior bunch of the ventral ramus of 



the 35th parapodium, from the same. 390 x . 

 Fig. 18. Dorsal view of the head of an epitocous worm. 10 x . 

 Fig. 19. A paddle-shaped bristle of the 30th parapodium, from a female 



epitoca. 390 x . 

 Fig. 20. A paddle-shaped bristle of the 30th parapodium, from a male 



epitoca. 390 x . 

 Fig. 21. Last two segments of an epitocous worm. 10 x . 

 Fig. 22. Lateral view of a fertilized egg, just after the extrusion of the 



second polar body. Drawn from a living specimen. 390 x . 



