BY WILLIAM A. HASAYELL, M.A., B.SC 755 



EXPLANATION OF PLATES. 



Plate L. 



Fig. 1 — Head of SyUis corruscans from above, slightly compressed. 



Fig. 2.— Extremity of everted proboscis. 



Fig. 3. — Head of male. 



Fig. 4. — Head of SyUi>i henuefonnis from above. 



Fig. 5. — Compound seta of the same, x 210. 



Plate LI. 



Fig. 1. — Parapodium of Syllis Kmherqiana viewed from the dorsal aspect. 



Fig. 2.— Tooth of the same. 



Fig. 3. — Compound setce , 



Fig. 4. — Anterior portion of the body of Syllis Schmardiana from above. 



Fig, 5. — Head of the same species from above, more highly magnified. 



Fig. 6. — Head of the same from below. 



Fig. 7. — Parapodium of the same. 



Fig. 8. — Compound seta. 



Plate LII. 



Fig. 1 . — Syllis nigropunctata ; head viewed from above. 



Fig. 2. —Parapodium. 



Fig. 3.— Compound seta. 



Fig. 4. — Gnathosyllis zonata ; head viewed from above. 



Fig. 5. — Jaws of the same. 



Fig. 6. — Compound seta. 



Plate LIII. 



Fig. 1. — Head of Staurocephalus australis. 



Fig. 2.— Teeth. 



Fig, 3, — Parapodium. 



Figs, 4 and 5, — Simple setae. 



Fig. 6, — Head of Eidalia (Eumida) quadrocula. 



Fig. 7. — Parapodium of the same. 



Fig, 8, — Compound seta. 



Fig. 9. — Simple seta. 



Fig. 10. — Head of Psamathe (?) crinita. 



