PLATE IIa. 
Fig. 1. Tip of one of the second kind of dorsal bristles of (Jhloeia fusca, . x 350. 
Fig. 2. Tip of one of the third kind of dorsal bristles in the same species. 
It is tinted of a deep yellow colour, . . . . x 350. 
Fig. 3. One of the smoother dorsal bristles (having three faint serrations). 
From the anterior third of Notopygos megalopjs, . . x 350. 
Fig. 4. Average ventral bristle of the same, . . . . x 350. 
Fig. 5. Large pale greenish dorsal bristle of Notopygos lahiatus, . . x 90. 
Fig. 6. Tip of an average ventral bristle of the same form, . . x 90. 
Fig. 7. Dorsal bristle of (7A/oefa (from “ Porcupine ”), . . . x 350. 
Fig. 8. Stouter form of dorsal bristle of Ampliinome rostrata, . . x 350. 
Fig. 9. One of the longer dorsal bristles in the same form, . . x 210. 
Fig. 10. Ventral bristle of the preceding species, . . . . x 90. 
Fig. 11. Tip of the spine of the dorsal division of the foot of the same, . x 350. 
Fig. 12. Tip of the spine of the ventral division of the foot in the foregoing, x 350. 
Fig. 13. Stout simple hastate spine in the ventral series of Eurythoe 
pacijica, ....... x 350. 
Fig. 14. Stout simple hastate bristle in the ventral series of Eurythoe 
pacijica, var. levukaensis, . . . . . x 350. 
