PLATE XXXVI. 
Fig. 1. Head and anterior end of Nereis h'asiliensis, . . . Enlarged. 
Fig. 2. Tenth foot of the same, . . . . . . x 25. 
Fig. 3. Thirty-seventh foot of the foregoing, . . . . x 25. 
Fig. 4. Anterior foot of Staurocei^halus atlanticus, mdiSerentlj 'pieseiyed, x 80. 
Fig. 5. Head and anterior region of the same species, . . . Enlarged. 
Fig. 6. Foot of Staurocephalus australiemis, .... x 25. 
Fig. 7. Anterior region (dorsal view) of Lumhriconereis pettigreivi, . Enlarged. 
Fig. 8. Tenth foot of the same, . . . . . . x 40. 
Fig. 9. Thirtieth foot of the foregoing, ..... x 40. 
Fig. 10. Dorsal aspect of the anterior region of Lumhnconereis hifurcata, . Enlarged. 
Fig. 11. Ventral view of the anterior region of the same species, . . Enlarged. 
Fig. 12. Posterior foot of the foregoing, . . . . . x 40. 
Fig. 13. Dorsal view of the anterior region of Lumhriconereis japonica, Enlarged. 
Fig. 14. Tenth foot of the same, . . . . . . x 25. 
Fig. 15. Posterior foot of the foregoing, seen partly from below, . . x 25. 
Fig. 16. Dorsal aspect of the anterior region of Enlarged. 
Fig. 17. Fiftieth foot of the foregoing, . . . . . x 80. 
Fig. 18. Dorsal view of the anterior region of Lumhriconereis neo-zealanice. 
The longitudinal grooves on the dorsum have not been shown. Enlarged. 
Fig. 19. Thirty -third foot of the same, seen obliquely from below, , x 80. 
Fig. 20. Dorsal view of the anterior region of Lumhriconereis ahyssorum, Enlarged. 
Fig. 21. Thirtieth foot of the same, . . . . . x 80. 
