238 JOURNAL OF ENTOMOLOGY AND ZOOLOGY 



EXPLANATION OF FIGURES. 



Plate I — Halosydna succ'in'tseta n. sp. 



Figure 1. Dorsal seta. 



Figure 2. Typical parapodium. 



Figure 3. Anterior end. 



Figure 4. Ventral seta. 



Plate II — Halosydna lagunae n sp. 



Figure 5. Typical parapodium. 



Figure 6. Superacicular ventral seta. 



Figure 7. Subacicular ventral seta. 



Figure 8. Anterior end. 



Figure 9. Long dorsal seta. 



Figure 10. Short dorsal seta. 



