Woodworth. — The Palolo Worm. 



PLATE 2. 



Fig. 7. Ventral view of the head end of E. viridis. X 4^. 

 Fig. 8. Anterior view of the head end of E. viridis. X 3. 



Fig. 9. Anal end of the " Palolo " or epitokal part of E. viridis, showing three of 

 the ventral eye-spots and the empty preanal segments, and anal cirri. 

 X 6. 

 Fig. 10. The transition area between the "Palolo" and the atokal anterior part. 

 Note the small size of the eye-spots on the posterior atokal segments. 

 X6. 

 The jaw apparatus of E. viridis, partly dissected. X 12. 

 Left half of the jaw apparatus dissected to show the component parts. 



X 15. 

 Parapodium of E. viridis from about the fortieth preanal segment. X 92. 

 End of one of the compound chastae of same. X 300. 

 Parapodium of E. dubia. This figure is inverted. X 200. 



