PLATE XVI. 



Fig. I. Dorsal view of the anterior body-region of Lepidasthenia sibogae Horst. X lO. 



Fig. 2. An elytron-bearing parapodium of the same species. Magnified. 



Fig. 3. A cirrus-bearing parapodium of the same species. Magnified. 



Figs. 4, a and b. A dorsal and a ventral seta of the neuropodial fascicle of the same species. Highly magnified. 



Fig. 5. Dorsal view of the anterior segments of Gastrolepidia clavigera Schm. Magnified. 



Fig. 6. Notopodiai bristle of Scalisctosus crinoidicola Potts. Highly magnified. 



Fig. 7. Ventral neuropodial bristle of the same species. Highly magnified. 



Fig. 8. Dorsal neuropodial bristle of the same species. Highly magnified. 



